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1. Main Controller • The board’s main controller will be a microcontroller from the Teensy 4.0 class. It must have sufficient processing speed and GPIO capacity. 2. Integrated ESC • The board will feature a built-in ESC for driving a brushless starter motor. • It must support a current capacity of ≥40A. • The ESC will be powered by a 3S-4S battery. (Minimum 11.1–14.4 V, Maximum 12.6–16.8 V) • The necessary protection and secure signal connections must be provided between the motor driver and the controller. 3. Glow Plug Output • The board will include a power switching output for the glow plug. • It must support a current capacity of ≥16A. • On/Off control is sufficient. • The glow plug will be powered by 3S or 4S volt...

I need complete, well-commented source files that implement a DMA­-based firmware routine focused on custom data processing memory-to-memory transfer.

Project Overview STM32-based automotive signal and load emulation module. Main goals: - Generate 4 independent 5V PWM outputs at fixed frequency (200 Hz) - Configurable duty-cycle tables - React to simple 12V trigger inputs - Drive separate MOSFET-controlled dummy loads to emulate resistive/inductive automotive actuators - Include basic thermal and protection monitoring Please provide: 1. Clean and well-commented STM32 firmware (STM32CubeIDE, HAL or LL) 2. Schematic including: - 4 PWM outputs - level shifting to 5V - MOSFET load stages - protection components - programming header 3. Basic BOM 4. Short setup guide explaining: - how to adjust PWM duty tables - how to modify PWM frequency - how to recompile firmware Optional: - Compact 2-layer PCB layout (KiCad or...

I need a PCB design for an Arduino car interface. The interface will connect to various sensors, primarily temperature sensors, and will manage indicator lights. Key requirements include: - Connection for temperature sensors and car indicator lights - Functionality to monitor car temperature, control indicator lights, and provide an alert system for overheating Ideal skills and experience: - Proficiency in PCB design - Experience with Arduino integrations - Knowledge of sensor interfacing and automotive systems

My almost-finished ATMS board in Altium Designer still has its 5 V rail and ground net incompletely routed. I need a fellow Altium specialist to open the existing project, tidy up those power connections, run the usual design-rule and connectivity checks, and return the updated Altium files. No other parts of the circuit require attention, and I don’t need change logs or screenshots—just a clean, error-free design file that passes the basic rule checks. Deliverable • The original project folder updated with correctly routed 5 V and GND nets and no DRC errors related to those nets.

The concept is already mapped out on paper; now it needs to become a functional mixed prototype that blends physical components with companion software. I will share diagrams and use-case notes that spell out the user journey, required interactions, and performance targets. Hardware scope – Translate my schematics into a breadboard or printed-circuit proof-of-concept. – Select and integrate the most appropriate sensors, microcontrollers, and actuators (open to your recommendations on exact parts). – Provide wiring diagrams and a concise bill of materials so the build can be reproduced. Software scope – Create the firmware or embedded code needed to run the hardware. – Build a lightweight application layer—this may cover data processing, a...

Start proposal "Rockchip RK3562" My total budget is fixed at $15. If you contact me, please be comfortable working within this budget so we don’t waste each other’s time. Full Details: Project Overview: I extracted the dynamic from a Rockchip RK3562 Android 14 tablet and need it rebuilt using a LineageOS ARM64 GSI already provided in .img format. Required workflow: • Extract and unpack the existing while preserving original dynamic partition metadata. • Replace the stock system partition with the supplied LineageOS GSI. • Apply a few lightweight system modifications inside the mounted GSI (details will be shared later). • Rebuild and repack the using lpmake so it flashes properly via fastboot or RKDevTool. • Patch the stock using avbto...

I already have a custom board built around an ESP32-D, the accompanying PlatformIO project, and fully working low-level drivers for Wi-Fi, MQTT, GPIO and storage. What I still need is the high-level logic that ties everything together so the device behaves like an intelligent Wi-Fi switch. Here is what the finished sketch must do: • Subscribe to a dedicated MQTT topic and parse the JSON commands coming from my mobile app. • Execute each command immediately, switching the relay output on or off and publishing an acknowledgement with a timestamp. • Monitor the on-board push-button; every manual activation should be time-stamped, stored locally, and later pushed to the same MQTT broker so that no event is ever lost if the connection drops. • Run both daily and week...

I need a complete design with test prototype units for an economical, antenna-integrated UHF RFID module that can reliably read any kind of UHF tag at 6–10 m, indoors or outdoors, while handling dense tag populations through anti-collision. Scope of work • Select a low-cost yet robust UHF chipset and design the matching network, power regulation and control interface around it. • Integrate a compact broadband antenna directly on the same board and tune the whole RF path so that the target read range is met without external tuning components. • Optimise firmware or register settings for fast anti-collision, EPC Gen2 compliance and low power consumption. • Provide a full package: schematic, PCB and antenna layout (Gerber/ODB++), BOM with sourcing notes, a...

I’m integrating an OpenMV N6 camera into an industrial-automation line where it will handle machine-vision tasks, but before we get to pattern recognition or inspection, I first need the Ethernet shield fully configured so the OpenMV IDE can communicate with the board over the LAN rather than USB. What I already have • OpenMV N6 board and official Ethernet shield in hand • Latest OpenMV IDE installed on a Windows workstation • Local network with DHCP and static-IP options available What I need from you 1. Flash or adjust any required firmware so the camera boots with Ethernet enabled. 2. Configure TCP/IP settings (DHCP is fine, static if necessary) and verify the IDE can connect, run scripts, in micro Python and stream frames in real time. 3. Provide a conc...

Estoy desarrollando un prototipo IoT de bajo consumo para un vertedor inteligente de bebidas y busco un ingeniero embedded/freelance con experiencia práctica en Nordic Semiconductor nRF52 y Bluetooth Low Energy. El objetivo del prototipo es detectar cada servido de una botella mediante un reed switch activado por un imán colocado en la tapita abatible del vertedor. Cada vez que el reed switch se active, el microcontrolador debe enviar automáticamente un evento BLE con un ID único del vertedor hacia un dongle nRF52840 PCA10059 conectado a una computadora, que funcionará como hub/receptor. No busco una empresa grande ni una solución sobredimensionada. Busco un especialista técnico que pueda llevar el prototipo a una prueba funcional, documen...

I am developing an IoT-based device that needs solid engineering groundwork as well as clear visual assets. The core of the job is twofold: 1. Circuitry and software • Create and verify the full electrical schematic in Proteus, then run detailed simulation cases in PSIM to make sure the power stage and sensor network behave exactly as specified. • Build a LabVIEW VI that lets me monitor key parameters and push firmware updates over USB. Acceptance criteria – PSIM model shows stable operation across the load range I will provide. – Proteus file compiles without errors on my end. – LabVIEW interface runs on version 2021 and logs data at 1 s intervals. 2. Mechanical, drafting, and promo material • Translate the final board...

I need a PCB design for a Field Oriented Control (FOC) controller/driver, primarily intended for industrial automation applications. This controller will be used with Brushless DC motors (BLDC) and must incorporate CAN bus communication protocol. Key Requirements: - Design a robust and efficient PCB for FOC control of BLDC motors. - Integrate CAN bus communication protocol. - Ensure design meets industrial standards and can withstand harsh environments. Ideal Skills and Experience: - Proven experience in PCB design for motor control applications. - Strong understanding of FOC algorithms and BLDC motor dynamics. - Familiarity with CAN bus protocol and integration in PCB designs. - Experience in designing for industrial applications, knowledge of relevant standards and regulations. Pleas...

Our processing line needs a reliable counting routine, written in CODESYS, that records the exact number of chickens immediately after slaughtering. At the moment that figure is taken manually and is rarely accurate; I want the PLC to take over so the plant can trace throughput in real-time and feed the data to our existing SCADA screen. The job is focused on one task only: IFM based system to count poultry legs and report daily a total amount of processed birds entering the system. * Sensor to be mounted within the main running line of the Auto cut line positioned post hang on (left of the green personal) * 2 counts to equal 1 bird count * IP rating to be 68 or above for hygiene washdown areas * System to be able to be reset every day via a button that operators can reset * Wiring to be ...

I have an irrigation startup involving soil capacitor sensors. Key tasks include: Designing the outer frame and protein it using 3d printer The outer frame should be made of a combination of metal and plastic. Ideal candidates should have experience with 3d printers

Our product runs on a custom embedded system and it now needs a dedicated firmware module that can handle all UART-based communication. I already have the hardware schematic and register map; what is missing is production-ready code that initializes the peripherals, manages interrupts, frames the data, and exposes a clean API the application layer can call. Here is what I need from you: • Develop clean, well-documented firmware in C or C++ that brings up the MCU, configures the UART peripheral, and implements reliable transmit/receive routines (including error handling and buffering). • Follow our existing coding conventions and keep the footprint small so power consumption stays within spec; DMA or low-power sleep modes are welcome where appropriate. • Provide a conci...

I need assistance with ZBI programming for initial setup and installation of a Zebra ZE500 printer. The setup will be standalone, with no need to connect to other devices. I want a stand alone operation. At power up the program needs to run. At each input from a label applicator the label format will reload and print. The label has two date fields that update from the printers RTC. The label is already designed and works fine. Ideal Skills and Experience: - Experience with ZBI programming - Familiarity with Zebra ZE500 printers - Strong setup and configuration skills

Quiero sacar el máximo partido al kit Grove Vision AI v2 unido a un microcontrolador XIAO para ejecutar reconocimiento facial directamente en el borde. El sistema debe funcionar al aire libre, en plena naturaleza, de modo que la latencia sea mínima y no dependa de la nube. Ademas el dispositivo al reconocer en el entorno natural debe ser capaz de enviar la información en tiempo real ya sea a una pagina web o dispositivo movil, tambien debe ser capaz de generar imformes con los datos recopilados. Cuento con un conjunto de imágenes de fauna silvestre que servirá como dataset de entrenamiento; necesito tu ayuda para limpiar ese material, entrenar el modelo y convertirlo al formato óptimo para el Grove Vision AI v2, asegurando que corra con la memoria...

I need a complete PCB design for a 15W Qi-compliant wireless charging transmitter. The board will be powered from a USB-C input and must expose simple 5V positive and negative connections that become live only while a device is actively charging. Please let me know your expected turnaround and any questions you need answered before you start.

1. Teknologi AI-powered diagnosis membantu mendeteksi kerusakan elektronik lebih cepat dan akurat, sehingga proses servis menjadi lebih efisien tanpa menunggu lama. 2. Layanan remote firmware update memungkinkan perangkat Anda selalu menggunakan sistem terbaru tanpa perlu datang langsung ke tempat servis. 3. Garansi berbasis cloud memudahkan pelanggan menyimpan riwayat servis secara digital, aman, dan mudah diakses kapan saja. 4. Tim teknisi profesional kami siap memberikan solusi elektronik modern dengan proses cepat, transparan, dan hasil yang terpercaya. 5. Sistem monitoring pintar membantu memantau performa perangkat secara real-time untuk mencegah kerusakan sebelum terjadi masalah serius.

I am developing a wall/desk-mounted NFC clock in / out system. I already have a working prototype and firmware completed using Arduino IDE on ESP32. I now want a professionally designed integrated PCB and simple 3D printable enclosure suitable for low-cost manufacturing through JLCPCB PCBA. Main requirements: Integrated ESP32 module (ESP32-WROOM preferred) USB-C for power + programming WiFi required MFRC522 RFID/NFC support over SPI 16x2 I2C LCD support 4 navigation buttons 2 status LEDs Active buzzer Fully integrated PCB (no ESP32 dev board or jumper wires) JLCPCB/JLCPCB PCBA compatible Reliable design suitable for production Important: I already have working firmware completed GPIO compatibility with existing firmware is preferred Cost optimisation is very important Open to professio...

I'm looking for a skilled PCB designer to create a custom board for an energy monitoring application. The PCB will be used to monitor grid electricity and will need to collect the following data: - Voltage - Current - Power consumption Ideal skills and experience: - Expertise in PCB design and layout - Experience with energy monitoring systems - Knowledge of grid electricity parameters - Proficiency in handling voltage, current, and power consumption data Please provide previous work samples and a detailed approach to this project.

Freelance Embedded Firmware Engineer – MSP430 Expert Required We are seeking a highly experienced embedded firmware engineer with strong expertise in the Texas Instruments MSP430 microcontroller platform for a professional product development project. This role is strictly for engineers with proven hands-on MSP430 experience. Please do not apply if your experience is only with Arduino, ESP32, STM32 basics, or hobby-level embedded development. Project Scope: 1. The selected freelancer will work on firmware development, debugging, optimization, and hardware interfacing for an MSP430-based embedded system. 2. The hardware setup has to be accessed remotely. Applicants must be comfortable working in a remote embedded development workflow. Experience with: 1. Bare-metal firmware develo...

I need an electronic tea brewing kettle designed with specific features. Essential Features: - Temperature Control: Ability to set a specific brewing temperature. - Custom Temperature Settings: User-defined temperatures. Preferred Adjustment Method: - Touchscreen Interface: Intuitive, user-friendly control. Ideal Skills and Experience: - Experience in designing electronic appliances. - Proficiency in touchscreen interface technology. - Knowledge of temperature control mechanisms. Looking for innovative designs and practical solutions.

I’m building a small Alpha-ISA processor model and now need the core pieces of the execution engine completed. The focus is on a clean, software-driven control path rather than a hardwired or micro-coded approach, so the design has to expose control signals that a supervisory program can schedule and manipulate. The hardware side must include: • ALU that supports the usual arithmetic and logical functions with status outputs ready for branching logic • Register File with dual-read / single-write ports, parameterisable depth, and a simple hazard-free write-back mechanism • Instruction Decoder that converts the Alpha binary format into the internal control signal set expected by the software controller Multiplexer and control unit I’m happy for you to implem...

PRISM SMART GUITAR – CAD DESIGN + INTERNAL LAYOUT + BOM DEVELOPMENT Project Overview: I am developing a futuristic smart electric guitar prototype called the PRISM Smart Guitar. The product combines: - Electric guitar functionality - Addressable RGB LED systems - Internal speakers - Bluetooth microphone integration - Touchscreen interface - Embedded electronics - App connectivity - CNC/resin industrial design This project is currently in the concept and visualization stage and I am looking for an experienced CAD/mechanical product designer to help create the first engineering-ready digital prototype and internal architecture. The goal is NOT mass-production-ready engineering yet. The goal is: - a realistic MVP prototype design - manufacturable internal layout - production concept ...

Project Overview I am building a custom 6 Degrees of Freedom (6DoF) mouse and need an experienced PCB designer to create a fully routed PCB layout based on my existing mechanical design and a reference board I found online. All mechanical components have already been designed in 3D. The PCB outline (DXF) is also ready. Your job is to design the PCB that fits inside this enclosure, using my provided DXF outline and following all placement constraints listed below. What I Am Providing - DXF file of the final PCB board outline (located in the "DXF" folder) 3D model of the full assembly (to understand component placement and collision avoidance) - Reference PCB found online (used as inspiration — includes the electrical schematic on the right side, which can be used as a refer...

I am looking for a freelancer to help integrate LED lights into both the fretboard and body of a guitar. The LED system should be programmable via software, specifically for the Windows platform. Ideal candidates should have experience with electronics, LED programming, and creating software-compatible systems. The guitar also has other electrical devices in it as well. the system uses addressable RGB LEDs including flexible PCB LEDs, COB LEDs. the project will require CNC machine work for body of guitar including molded diffusion channels. It has internal controller board like raspberry pi. It will require diffusion layer/translucent top layer. Designs available for viewing. Let’s bring this musical project to life!

Please read the project carefully and Bid amount will be final no further discussion on amount. only serious bidder can come with the proposal I’m building an Intel i5 8th-gen mini-PC that has to run 24/7 in an industrial cabinet, and I need a custom open-frame SMPS that fits inside a footprint no larger than 110 × 55 mm (120 × 60 mm only if absolutely necessary). The board must deliver a rock-solid 12 V at 20 A with premium efficiency as the top design driver; every percentage point saved on losses helps me keep temperatures down without adding bulky heatsinks or fans. Need compact industrial open-frame SMPS PCB for mini PC cabinet. Output required: 12V DC 20A continuous. The motherboard will be powered using separate DC-ATX/Pico PSU module which will generate: 5V 3...

I’m ready to move an industrial-grade product from concept to production and need an experienced PCB designer to turn my schematics into a robust, fabrication-ready multi-layer board. The board will sit at the heart of heavy-duty equipment, so reliability, thermal management and clean power distribution are critical. Core requirements • Board type: Two-layer, sized for an industrial enclosure, with careful stack-up planning for signal integrity and EMI control. • Key circuitry: a high-performance microcontroller section alongside tightly regulated power-supply stages. (I don’t need sensor interfaces on this revision, but I’d like to keep future expansion in mind.) • Deliverables: complete schematics, routed PCB layout, Gerber/ODB++ files, manufacturi...

Project: Compact Pulse Generator Embedded PCB for 12V Solenoid Valve I am looking for an embedded electronics engineer / PCB designer to develop a compact control PCB for a portable pulse generator device used for underground poly pipe locating and plumbing field testing. The PCB will control a 12V DC solenoid valve to generate repeating pressure pulses through plumbing pipelines. PCB Requirements: - Compact rectangular PCB - Target size: 40mm x 40mm - Compact SMD design preferred - Suitable for portable enclosure integration Main Features Required: 1. Rechargeable Battery System - Support rechargeable lithium battery pack - Charging input circuit included 2. LED Indicators - Low battery indicator LED - Charging indicator LED - Full battery indicator LED 3. Power / Pulse Status LED ...

I want a working prototype of a truly pocket-sized gadget that can run completely offline. The flow is straightforward: a standard-resolution camera captures a printed or handwritten question, an on-board OCR module extracts the text, a lightweight language model generates a full textual answer, and the reply appears on a small built-in screen. No cloud calls, no external power brick—everything must live inside the device itself. I am open on the exact OCR library; Tesseract OCR is the obvious first choice, but if you have a lighter or faster alternative that will compile on something like a Raspberry Pi Zero 2 W, an ESP32-S3, or any comparable single-board solution, I’m happy to discuss it. For the AI model, please keep it compact (e.g., TensorFlow Lite, ONNX, or similar) s...

I need an experienced hardware engineer to take my concept for an ultra-compact tracker and turn it into a manufacturable 4-layer PCB that measures no more than 22 × 22 mm. The core functionality is location tracking, so LTE-M / NB-IoT with embedded eSIM support for Jio / Airtel and a GNSS solution that delivers standard 5–10 m accuracy are required. The device must perform reliably both indoors and outdoors. Key elements you will integrate: • Cellular: LTE-M / NB-IoT modem with eSIM footprint pre-provisioned for Indian networks. • Positioning: GNSS (GPS + GLONASS) with a chip or flex PCB antenna that fits the size envelope. • Sensing: MEMS microphone capable of local audio recording to at least 128 MB on-board flash, plus an accelerometer for motion events. &bu...

I’m adding a green LED to my vending machine controller and need clear, no-nonsense guidance to finish the job. The LED will sit on pin 15, running at the standard 3.3 V GPIO level, and must glow steadily whenever my existing “vending _enabled” Boolean is true, switching off the instant the flag is false. I already know the resistor value, so no calculations are required there. What I need from you: • A simple wiring diagram showing pin 15, the series resistor, LED orientation, and ground return. • Confirmation that the selected pin can source the required current and, if not, the minimal code tweak or wiring change needed. • A clean, drop-in Python snippet written for either or gpiozero (your choice, just keep it concise) that exposes a function lik...

Investors need for our project. Here is the project details: Here is a realistic startup estimation for your futuristic project, “Diner Alo (Day Lights)” by Md. Asaduzzaman Shuvo. Assumptions: 1 Bigha = 50 Shotok Office area = 8 Bigha Land price per Bigha = ৳300,000 BDT Estimated exchange rate: 1 USD ≈ 117 BDT Land Cost: 8 × ৳300,000 = ৳2,400,000 BDT ≈ $20,500 USD Estimated Full Project Cost Land Purchase ৳2.4 Million BDT ≈ $20K USD Office + Research Lab Construction Includes: Smart office AI lab Testing room Server room Prototype lab Estimated: ৳15 Million BDT ≈ $128K USD Prototype Development Includes: Night vision system AI object detection Micro sensors Nano hardware Battery system Custom chips Estimated: ৳20 Million BDT ≈ $17...

I need some Volunteer Scientist and engineer for my own projects. Tell me that what you can do for this project? Hello everyone, my name is Mohammad Asaduzzaman Shuvo. This idea is mine and I am going to tell you details. Let's read. Device name: "Diner Alo" (Day Lights) Idea made by (Scinetest): Md. Asaduzzaman Shuvo. Made by: Bangladesh. Descriptions: This device can help to improve the world. It's can be an another generations. Actually generation is 3 not 4,5,6,7 etc. So, it's the last generations device it's can make the world updates. In night, it's can make night as a day light. It's a device that needs to be used in the eyes. This device will be cheap. It will have another device which is a "Cloud Fly" machine which is also made b...

Estou desenvolvendo um wearable focado em alertas inteligentes de monitoramento de atividades e preciso de um especialista em eletrônica embarcada para transformar o conceito em um protótipo funcional. A plataforma base deverá girar em torno de um ESP32 (ou equivalente) alimentado por bateria recarregável, operando com baixo consumo e oferecendo conectividade Bluetooth e Wi-Fi para sincronização de dados e atualizações remotas. O hardware terá, obrigatoriamente, um sensor de contato com água; caso você considere útil adicionar acelerômetro, sensor de frequência cardíaca ou outros módulos, podemos discutir durante a fase de arquitetura. Também valorizo soluções q...

I'm looking to develop an IoT-enabled dish soaker machine. The machine should have an adjustable soaking time feature. Key Requirements: - IoT connectivity - Adjustable soaking time Ideal Skills and Experience: - Experience in IoT development - Expertise in appliance design - Knowledge of adjustable timers and control systems I'm looking for someone who can integrate these features seamlessly. Please provide examples of similar work and your approach to this project.

Project Requirement – Electronic Shooting Target System Developer We are looking for a skilled and passionate developer/engineer to build a DIY Electronic Shooting Target System based on the open-source freETarget project. The system will be used for air pistol and air rifle practice and scoring. Project Overview The project involves developing and assembling an electronic target system using ESP32/Arduino hardware, acoustic sensors, and desktop/mobile software integration. The system should accurately detect pellet impact positions and display real-time scores and shot analysis. Responsibilities Develop and customize the electronic target system Work with ESP32/Arduino microcontrollers Integrate microphone/acoustic sensors Configure and modify open-source freETarget software Des...

I’m building a product around an ESP32 and need a clean, reliable firmware layer that handles both Bluetooth Low Energy and Wi-Fi. The two core responsibilities are device connectivity and on-demand data transmission. Here’s what I expect the software to do: • Seamlessly switch between or simultaneously maintain BLE and Wi-Fi links to smartphones and tablets. • Expose a simple, well-documented API so the application layer can request or push data whenever needed rather than streaming constantly. • Keep connections stable, recover gracefully from dropouts, and report status events (connected, disconnected, data sent, error, etc.). • Offer secure pairing/authentication on BLE and WPA2 on Wi-Fi. • Remain lightweight so sleep routines and future ...

I am integrating Quectel’s BG95-M3 NB-IoT + GNSS modem into a new device and want to move quickly by leveraging code that already works in the field. If you have previously put the BG95-M3 through its paces with QucePython you’ll know the quirks. I need help to program the Device Firmware and then program the module as per the Project requirments

I have an open-hardware setup that links a meshcore nRF52840 repeater to a Raspberry Pi, all powered by a 5 W solar panel and small battery pack. The Pi should stay asleep until the repeater’s heartbeat stops, then wake, push the latest meshcore firmware, and put the radio back online. Before I fabricate anything, I need an experienced hardware designer to go over the schematic and improve it, with special attention to two areas that matter most to me: • Mainboard layout – it must be tidy, electrically sound, and robust enough for harsh, remote installs. • Clock timing around the 4060 IC – the current RC network drifts; please replace it with a resonator or another stable solution and verify the timing math. I’m aiming for higher overall reliabi...

I need an experienced PCB designer for a compact wearable biomedical sensing device intended for chest-mounted physiological monitoring. The board should be based on: * ESP32 / ESP32-S3 microcontroller * ADS1292R ECG analog front end * ADXL355 low-noise accelerometer for SCG sensing * MAX86141 PPG sensor * Battery charging and power-management circuitry * USB-C interface for charging/programming The PCB should target an approximate size of 45 mm × 35 mm while maintaining good signal integrity and manufacturability. Requirements: * 4-layer PCB stack-up * Proper analog and digital partitioning * Low-noise routing for ECG and PPG signals * Clean grounding strategy (AGND/DGND handling) * Proper decoupling capacitor placement * Careful power routing and return-current handling * Comp...

1.- It will be a robotics application for pick and place then we will need take some pics to record the position and dimensions of the part with this we can calculate the center mass of this part , so when the camara detects the parts it will send a digital input to register the track position of the part then the dimensions in pixels to convert to mm in X,Y and orientation. 2.- my cam speed is max 30FPs 3.- It will be a fixed position for all the applications and needs to be calibrated on each setup, fixed position on a conveyor belt or rotary table. the scaling factor must be calculated every time so in the script I need to know how to modify this value It will be necessary take pics and process with Roboflow AI and get the file in forma .tflite 4 &5: It will be a Motion Controller w...

I’m building a compact, battery-powered torque meter that streams live readings to a smartphone over Bluetooth Low Energy. The job covers three tightly-linked pieces: electronic hardware, embedded firmware, and a cross-platform mobile application that works on both iOS and Android. Hardware & firmware The unit will sit between the torque sensor and the user’s phone. I need a custom PCB that conditions the sensor signal (likely through a strain-gauge amplifier), handles A/D conversion, and hosts a low-power MCU with BLE 5.x. Firmware should sample torque, apply calibration constants, then broadcast the data at a steady, low-latency rate. Power efficiency and a clean-pairing workflow are essential. Mobile application On the software side, the app should discover the met...

1. Main Controller • The board’s main controller will be a microcontroller from the Teensy 4.0 class. It must have sufficient processing speed and GPIO capacity. 2. Integrated ESC • The board will feature a built-in ESC for driving a brushless starter motor. • It must support a current capacity of ≥40A. • The ESC will be powered by a 3S-4S battery. (Minimum 11.1–14.4 V, Maximum 12.6–16.8 V) • The necessary protection and secure signal connections must be provided between the motor driver and the controller. 3. Glow Plug Output • The board will include a power switching output for the glow plug. • It must support a current capacity of ≥16A. • On/Off control is sufficient. • The glow plug will be powered by 3S or 4S volt...

Engineer for IoT Sensor PCB Design, DFM Review and Production Support. We are looking for an experienced electronics engineer / PCB designer to work with us on the development and production readiness of a small family of IoT sensor boards. The project is not just a one-off PCB task. We are looking for someone who can collaborate closely with our internal team, review existing board designs, improve them where needed, prepare them for manufacturing, and support the transition from prototype to small-batch production. The first task will be to review and refine an existing compact environmental sensor PCB. After that, we expect to work on approximately 4 to 5 additional sensor boards with similar requirements. The boards are small, low-voltage, sensor-oriented PCBs for IoT applications. ...

We are seeking experienced Electrical/Electronics Engineers to review manufacturer datasheets and accurately extract or verify technical data using our secure, web-based platform. All work is performed inside our portal with detailed step-by-step instructions. This project does not require access to customer designs or schematics. Make sure to answer these and put in your bids 1. What is the difference between a component's Absolute Maximum Ratings and Recommended Operating Conditions? 2. Decompose "LDO, 3.3V, 500mA, SOT-23-5" and explain each element. 3. Name the two signals on an I2C bus and describe their functions. 4. Are you bidding as an individual or a team? If a team, provide the number of members and technical background of each. 5. Confirm your availability...

I have an ESP32 Basic Core IoT Development Kit V2.7 installed in my truck and need firmware that will warn me whenever the Starlink router stays powered after I switch the ignition off. The sketch should watch a dedicated ignition-sense pin: while the line is high the unit does nothing special, but as soon as it goes low it must keep polling the Wi-Fi connection status in code. If the ESP32 is still associated with any network after a user configurable amount of time, an on-board LED must begin to flash, screen starts flashing and the internal speaker must chirp in tandem until the Wi-Fi link drops or the ignition is restored. I would like a simple LCD screen interface on the kit’s I²C display that shows real-time states (“Ignition ON / OFF”, “Wi-Fi CONNECT...