Схемотехніка Роботи та конкурси

If you want an end to end outsourcing solution for all your projects relating to circuit designing, outsource the work or job at the world's best marketing resource online Freelancer.com and get the work done by the expert circuit designer freelancers. These freelancers work online from all across the world and can be helpful to you and your project. Freelance them the work to be done either on part time or full time basis and be assured of an optimum result. The job sphere may include PCB designing, PCB board circuit debugging, layout, schematic designing, MCS including the software design and the hardware design.

The freelancer circuit designer will be able to work on the PCB print circuit, half finished product design, finished product and also assemble them. Their other work expertise are high speed telecom, RF board, DSP, microcontroller control, signal board, circuit design and assembling, electronic items designing like toy, motor, electronic gifts, main board, security defend, Vidicon, USB, DVD etc. If you are a freelancer having adequate skill and experience in circuit designing, Ethernet, USB, electronics, networking, digital and such related fields, submit your bid in the Freelancer.com and get posted immediately.

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Проект/Конкурс Описання Заявки/Роботи Навички Розпочато Закінчується Ціна (USD)
Design PCB Coil Inductance Sensor for wheel flange detection Design a PCB embedded Inductor (preference Altium) and match with a signal transformer and existing LC oscillator for maximum sensitivity in presence of wheel flange. Provide design details and supporting data (simulation) on embedded PCB coil. You must be a magnetics/electronics expert with previous experience in this field. Requirement to detect a wheel flange 20mm-35mm from the PCB coil (meta... 1 Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 24, 2018 Сьогодні6д. 17г. $494
Auto Tuning Ultrasonic Sealing System We are developing a machine to seal lami & plastic tube using auto tuning ultrasonic tube sealing. We are looking for a person with previous experience in developing the same. The project would include the full system technology to be transferred for us to develop it. Requirements would need the following: 1) Schematic, Gerber, BOM files of the PCBA 2) Autocad drawings of all mechanical pa... 6 Електроніка, Електротехніка, Мехатроніка, Розводка друкованої плати, Схемотехніка Jun 24, 2018 Сьогодні6д. 14г. $709
Ultrasonic Tube Sealing Technology We are developing a machine to seal lami & plastic tube using ultrasonic tube sealing. We are looking for a person with previous experience in developing the same. The project would include the full system technology to be transferred for us to develop it. Requirements would need the following: 1) Schematic, Gerber, BOM files of the PCBA 2) Autocad drawings of all mechanical parts 3... 2 Електроніка, Електротехніка, Мехатроніка, Розводка друкованої плати, Схемотехніка Jun 24, 2018 Сьогодні6д. 13г. $761
Design simple PCB layout I would like to get a PCB designed to interface a caliper with arduino. Basically the idea is to have a PCB where is possible to solder a sparkfun ardiuno promini and some additional components (transistors, resistors). All the system will be installed inside a plastic box and micro USB should be accessible from outside. Check attached scheme. 40 Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 24, 2018 Сьогодні6д. 8г. $23
Electronics Engineer required Have a task related to electronics engineering (PLC) Details will be shared with the selected freelancer 18 Техніка, Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 24, 2018 Сьогодні6д. 6г. $445
Electronic circuit PWM Analog Output I used the below circuit to generate high current analog output (0-10V) from PWM input by changing the duty cycle of the PWM. It works well when I use 5V PWM that comes from Atmega8 microcontroller. See Drawing One However, using the same circuit with 3.3V PWM that comes from ESP8266, it does NOT work. It gives only 2V output. See Drawing Two Could you please make similar board in your bench... 26 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Jun 24, 2018 Сьогодні6д. 5г. $25
not sure but think building RISC in program called logisim sorry I have no idea about this project so please read the file in the attachment 8 Електроніка, Verilog / VHDL, Мікроконтролер, Електротехніка, Схемотехніка Jun 24, 2018 Сьогодні6д. 2г. $181
Електротехніка, Розводка друкованої плати, Схемотехніка Jun 23, 2018 Jun 23, 20185д. 7г.
Boost converter and power charging module design Required is a boost converter & battery charging circuit design. Fabrication of the module is not required. Subject to the specifications below, required for delivery is: - circuit board BOM (incl manufacturer part numbers) - design files (preferably EasyEDA, but Kicad, Eagle or Altium OK) - detailed description of circuit operation Specifications: - 2.7-5v input - 12v, 1A output - 2.5cm/1&q... 31 Електроніка, Електротехніка, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 23, 2018 Jun 23, 20185д. 6г. $375
designing ultrasonic transmitter and receiver to design the electronics to generate ultrasonic carrier wave (anything in MHz range) modulated with a very low frequency wave (say 4.4Hz) and a separate receiver to receive demodulate and filter out the modulating signal (the low frequecy 4.4hz signal) in it. 11 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Jun 23, 2018 Jun 23, 20185д. 1г. $110
PCB design in Altium hi I need a PCB design done in altium designer . People having expertise should contact asap. It will follow with more work Regards 43 Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 22, 2018 Jun 22, 20184д. 12г. $164
electronic engineer Electronic Engineer able to build and explain some circuit diagrams of jammers and low radio frequencies 20 Техніка, Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 22, 2018 Jun 22, 20184д. 12г. $31
Design a circuit for LTC1980 IC The task is to create a circuit for LTC1980 IC which would allow the charger to operate even when the under-voltage lockout occurs. This IC has a specific timer that stops the charger if under-voltage of the battery is present longer then specified time. This is from datasheet: "During trickle charging, if the battery voltage remains below 2.7V for 1/4 of the total programmed charge time, the... 14 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 22, 2018 Jun 22, 20184д. 9г. $26
PCB Re-Design I have a tested PCB design, I simply need the design to be more space efficient. It drops the DC voltage from a battery network down to a lower voltage and uses an external 12VDC signal to trigger a relay to fire the shunt coil on an MCCB using the battery voltage as it's supply. The OHM and wattage of the resistors mounted externally can be selected to allow the PCB to work with different ... 40 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 22, 2018 Jun 22, 20184д. 3г. $210
build electronic system we are looking for freelancer for build electronic system HWSW description will be delivered in conversation in PV 17 Електроніка, Схемотехніка Jun 22, 2018 Jun 22, 20184д. 3г. $22
Design a new battery item I need a electrical engineer to help design a solar battery and wind generated power to grid system... Its an idea that I have using several potential items already on the market, but with a difference. lets discuss your involvement as you need to sign a NDA and NON COMPETE agreement. 7 Електротехніка, Схемотехніка Jun 21, 2018 Jun 21, 20183д. 3г. $62
pcb reverse engineering i have at hand several pcb, all components already removed and scanned at printer i need someone who can re-design pcb %95 must be look same for more detail contact with me 30 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20182д. 18г. $41
Electrical Engineer(High Voltage 10-20Kv System) We Require engineer that knows about high voltage 10-20kv. need validation and schematic I ordered the parts to do a test circuit ASAP looks like the Opto can be driven with 5vdc pulse 13 Техніка, Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20182д. 18г. $13
Need help with simple photodiode circuit We have the circuit show in this article [увійдіть, щоб побачити URL] The photodiode is the Digikey model 1125-106ND The JFET OPAMP is the AD820ANZ. Capacitance and resistance are shown in the diagrams. Problem The system is too sensitive, in full light, the output signal is saturated. Question What to add in the editing to decrease its sensitivity? 11 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Jun 20, 2018 Jun 20, 20182д. 13г. $18
expert in motor control needed Motor control expert needed preferably an electrical engineer 35 Техніка, Електроніка, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20182д. 8г. $364
Need VFD Expert for 3 Phase I need an electronic expert for coding and designing for 3 phase VFD for Induction motor. more details in chat please only bid if you have experience in this field. thanks 13 Техніка, Електроніка, Мікроконтролер, Електротехніка, Схемотехніка Jun 20, 2018 Jun 20, 20182д. 7г. $17
Development of circuit diagram and PCB design using KiCad We are developing LCD display for our application, Basic concept and major component selection is done by inhouse team in order to expedite project we are looking for developer who will design circuit based on our brief and later design PCB for the same circuit for next stage.. PCB design has to be on KiCad 13 Електроніка, Мікроконтролер, Архітектура ПЗ, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20182д. $137
I need a circuit designer who can also build 2 prototype for me I need to create a design with a raspberry pi powered by Lipo battery with charging option(like in Mobiles) and have 4 microphone array and 3W speaker. The whole design need to be in a box with provision for charging, slot for microphone and speaker as well have a button to switch on/off the system 9 Схемотехніка Jun 20, 2018 Jun 20, 20181д. 23г. $450
PCB Designer I need an Altium PCB Designer for a small task. 42 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20181д. 22г. $10
device engineer we need device engineer freelancers. you have to know about PCB. 25 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 20, 2018 Jun 20, 20181д. 22г. $20
Design a PCB for my Solar Project Hello - I need to make a PCB that will have a total of 8 Solid State SPST relays, an Ardiuno nano (or similar functionality since I'm only using the digital pin functionality), 4 LEDs, and sturdy mounting connectors for a wiring harness to connect the following: Solar Power Wires, Lithium Ion 18650 Battery stack, Solar Battery Charger, Car Battery Charger, Wall Battery Charger. You could bui... 35 Електроніка, Електротехніка, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 22г. $484
Calibrate 7 energy meters by wiring up at a high consumption cable CALIBRATE 7 ENERGY METERS We have 7 pcs of energy meters, type EH10-DIN Carlo Gavazzi . The 7 energy meters need to be calibrated. Not via electronic programming, but by wiring up at a high consumption cable. The readings need to be higher then they are now. The maximum which needs to be added is +- 20 000 kWh. The various 7 meters need different readings (which we will inform in detail)... 3 Техніка, Електроніка, Технологія машинобудування, Електротехніка, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 21г. $19
Design a PCB for my Solar Project Hello - I need to make a PCB that will have a total of 8 Solid State SPST relays, an Ardiuno nano (or similar functionality since I'm only using the digital pin functionality), 4 LEDs, and sturdy mounting connectors for a wiring harness to connect the following: Solar Power Wires, Lithium Ion 18650 Battery stack, Solar Battery Charger, Car Battery Charger, Wall Battery Charger. You could bui... 38 Електроніка, Електротехніка, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 20г. $1077
Calibrate 7 energy meters by wiring up at a high consumption cable CALIBRATE 7 ENERGY METERS We have 7 pcs of energy meters, type EH10-DIN Carlo Gavazzi . The 7 energy meters need to be calibrated. Not via electronic programming, but by wiring up at a high consumption cable. The readings need to be higher then they are now. The maximum which needs to be added is +- 20 000 kWh. The various 7 meters need different readings (which we will inform in detail)... 3 Техніка, Електроніка, Технологія машинобудування, Електротехніка, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 15г. $246
device engineer we need device engineer freelancers. you have to know about PCB. 26 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 12г. $169
need a Custom and Complete Schematic Redesign/ PCB designed in Altium Need to Update current Altium Design to New ICs reference design is available [увійдіть, щоб побачити URL] - Libraries of Components including Components Schematics and Footprints need to be made/changed - Project Files Should be Production Ready Output Format, including complete BOM and Gerber/pick-place files - Design must be safe; the device must operate reliably. - Design must be... 30 Електроніка, Електротехніка, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 9г. $91
We need a Custom and Complete Schematic Redesign/ PCB designed in Altium/ Need to Update current Altium Design to New ICs reference design is available [увійдіть, щоб побачити URL] - Libraries of Components including Components Schematics and Footprints need to be made/changed - Project Files Should be Production Ready Output Format, including complete BOM and Gerber/pick-place files - Design must be safe; the device must operate reliably. - Design must be... 11 Електроніка, Електротехніка, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 8г. $125
PCB schematics testing and designing, other support I have python code, PCB schematics. I need its testing, PCB designing, and finalization of my electronics model. 11 Електроніка, Мікроконтролер, Розводка друкованої плати, Схемотехніка, Raspberry Pi Jun 19, 2018 Jun 19, 20181д. 7г. $125
Breakout Board design using eagle software We are looking for someone that can help us to design the breakout boards for "AFE4490(Pulse sensors)" and " ADS1294RIZXGT (For Heart rate and respiratory rate )" using eagle software. datasheet for ADS1294RIZXGT [увійдіть, щоб побачити URL] and for AFE4490 [увійдіть, щоб побачити URL] 17 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 6г. $415
EV Charger HI, This is Anshul Shrivastava from Radite Group. Radite group is fastest growing company in India in field of Solar. We have already executed various projects in India. Radite Group is looking to enter into Electric Vehicle Charging Station business and looking for consultant to develop the PCB design for the same. We have gone through and want to understand if a candidate capable of delivering ... 16 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 19, 2018 Jun 19, 20181д. 3г. $381
PCB Board and iOT device design for e-scooter =We are building an e-scooter sharing company with a mobile app and are looking to build and iOT device that will be attached to the scooter. The device will likely have network communication, GPS, and bluetooth. Some other details are as follows: * Our mobile app will set a locked/unlocked status for the scooter on the server, and the iOT device should be able to listen for the state change. ... 32 Електроніка, Мікроконтролер, Розводка друкованої плати, Дизайн продукту, Схемотехніка Jun 18, 2018 Jun 18, 201818г. 50х. $134
Controller using Battery Power for Induction motor Design a controller which will drive induction motor (100 kw) off Battery bank with frequency up to 300 hz. The required voltage is 400 V, 300 hz. You are free to design Battery / Cell arrangement to get required output and also the type of battery use e.g. li-on or polymer or something better... 8 Техніка, Електроніка, Технологія машинобудування, Електротехніка, Схемотехніка Jun 18, 2018 Jun 18, 201813г. 54х. $111
need an expert in motors electrical motors expert needed to work on some drivers 14 Техніка, Електроніка, Matlab and Mathematica, Електротехніка, Схемотехніка Jun 18, 2018 Jun 18, 201811г. 15х. $18
Need a 3 Phase Inverter Designer Electrical Engineer 3 phase Inverter for [10hp] Motor 110V 60hz please only bid if you have experience in this field my budget is fix and i will provide details only to winner bidder so make sure you add + you experience and previous work details [related to VFD] dont forget to write proposal. thanks 19 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 18, 2018 Jun 18, 20188г. 14х. $28
Electric Vehicle Charger PCB Control Board with PLC and GSM Modem Integration over OCPP 1.6 Protocol Dear All, we are Renewable Based company, Now we are looking for support in Design and programme with Integration of Electric Vehicle Charger PLC with Ocpp 1.6 Protocol and GSM Modem. Kindly connect to me at underline details. Regards Dharampal 8 Електроніка, Мікроконтролер, Електротехніка, Розводка друкованої плати, Схемотехніка Jun 12, 2018 Jun 12, 2018Закінчився $287
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