Microcontroller Jobs

Hi, We are looking for a freelancer to build the Power Plant Controller solution for Solar Plant including hardware, algorithm, and control. It should take care the Grid Code of India. It should follow the principles given in the attached pdf. We can work on the data, analytics and User interface. Deb

I need someone who can design an electronic card for me. You will be responsible for following: 1. Components Selection 2. Electronic Circuit Design 3. Testing and QA 4. PCB Design It is very small card that needs controlling of three relays and 2 flow sensors. It also includes wireless communication through Wifi and LCD display. Further details will be shared with selected freelancers. If you ...

Type: Mylar Cone Output Power: 0.25 WRMS Impedance: 8 Ω Dimensions: 27(Dia) x 8(H) mm Your task is to design an interface between the Atmel ATmega168 microcontroller and this particular speaker in order to enable output of a set of musical tones/notes from C4 (middle C) through to B4 (C4, D4, E4, F4, G4, A4, and B4). The volume at which the tones play should be user adjustable (although note...

Starting from design of circuit, components selection, PCB design and firmware development this project involve complete skill required for development. I will prefer developer with past experience in such projects. Those who are interested shall send the reference of project done on similar line. Experience in Smartphone design will be added advantage

I want to build a controller for Xbox one as shown in the picture below What makes this controller special controller? This controller is separated in two parts. Left part and the right part Left part consist of all the buttons present on Xbox controller on its left side. In exactly the same shape of a Xbox controller Only the Dpad and thumb stick interchange their positions. With a extra butto...

We have built an IP based video wall (1 x 6 & 1 x 2 configurations) using raspberry pi's (not pi-wall as pi-walls suffer from memory crashes after 4 hours operation). We've hit stumbling blocks and need someone to design a more robust solution. Please see the configuration we're using at the moment, but we're open to alternative ideas. If you're not technically c...

Hello! I have few task to complete on Texas Instrument "Tiva™ TM4C129ENCPDT Microcontroller". IDE for that is Code Composer Studio. Programming Language C. Need a quick response.

We have a smoke alarm with RF 433 from one supplier and we wish to find out if possible the coding for it?

PCB 1: to manage external input; HDMI, twice USB Type A 3.0, SD slot and twice USB type C. PCB 2 : to manage a powerbank, better if there is the chance to implement directly the power bank on the PCB. Each board will be installed in an enclosure, all the PCBs are powered by a single power bank in order to provide serially charge to all the PCB. The power bank will also provide battery to external ...

I am looking for someone who can help me in designing PCB and software (Embedded system) Only People from China can quote (Sorry for other Nationality)

I need you, an expert! Arduino code, perhaps hardware support. IPv4 and IPv6 on possibly W6100 MKR with an Arduino MKR zero, or on nano SAMD with ETH shield if possible! Webinterface on SD card to setup IPv4 and IPv6 settings. SNMP support in V1 or V2c or V3 choosable on the webinterface, too. Interested? Looking forward. ..Later the code must be expanded by I/O functions and a RS485 comm...

*** OVERVIEW *** - Ten US dollars per hour. - One hour per night between 7pm and 11pm your local time. - You will tutor me (teach me) how to use Python. - We will text chat. Therefore, you need to read and write English but you do *not* need to *speak* English. - If Freelancer.com prevents you from bidding on this project or if you want to avoid “spending” one of your Freelan...

*** OVERVIEW *** - Ten US dollars per hour. - One hour per day (or per night). - You will help me design, code, and develop an IoT product using MicroPython running on an ESP32 microcontroller. - You do *not* need any experience with... ESP32, microcontrollers, electronics, electrical engineering, mechatronics, Arduino, PCB, or circuit design. - If Freelancer.com prevents you from bidding on ...

I want to design a PCB board of 25 layers in PADS layout. If you have latest PAds software.

Looking to discuss an automotive firmware project. Code is misra c for arm cortex using freescale codewarrior toolchain. First task is approximately 4-8 hours work

Small PCB Design for time and date

Overview I'm making a tracked tank based robot using Ubuntu 18.04 (Bionic Beaver) and ROS Melodic (Robot Operating System). The robot is tethered with copper & fibre optic cable. All the electronics has been purchased & is currently being assembled. Communications On-site support is available by means of mobile, Whatsapp, Skype & email. Hardware All hardware is available & has...

Design PCB for Laird BL652 chip with temperature sensor (MLX90615) and rgb led (neopixel) and battery + charging cirquit (micro-usb) (and if possible also program the chip via usb). The sensor and led need to be on a seperate board, connected with small cable (+/- 60mm distance). Goal is to make a wearable for artistic/scientic research. First make 1-5 test PCB’s by your design, if everyth...

looking for someone with experience to design a board with the Nordic nRF9160 LTE modem. smallest form factor

1 Semiconductor fingerprint sensor 2 Intelligent update function of fingerprint information,Constantly learn and store user new fingerprint information. 3 Rated voltage:4-8 pcs batteries power supply Have a external power interface(DC-5V;Micro USB interface) 4 There are 1 buttons on the back of the door battery box:Initialization(Resume out of the factory)Key.

I need two simple (!) Arduino C++ sketches; the first sketch is for an Arduino Mini Pro (Atmega 328P, 8 MHz, 3.3 V) connected to a Lora Hope RFM95W radio module (915 MHz) and with 3-wire capacitative water sensor connected to the Mini Pro A0 pin (+Vcc 3.3 V + GND). The sketch for the Mini Pro must sense once each day (to save battery) the presence of water at the connected water sensor and then se...

Build IOT device to monitor temperature and position. For the first prototype, use comercial board (like Arduino, Linkit One, ESP, etc) with - DS18B20 temperature sensor - GPS - GSM/3G to send data - WiFi (optional) - Battery Data will be send to our server, we could discuss best way and the periodic to send it (better battery life versus accuracy)

Implementation of Fractional-order function (S^e) on FPGA using VHDL. I don't want imaginary freelancer, please, please.

My company provides mobile hearing testing to industrial sites around the country. Our computer interfaced audiometer uses outdated electronic components including the Intel D8741A microcontroller. My vintage programmer has an issue and I need to get a small amount of these chips programmed.

We have to set up a temp retail store for a major brand in Connecticut.

Looking for [login to view URL] engineer who done his/ her degree in [login to view URL] in electrical. I need a Convertor for using in electrical vehicles for 48v to 12v.

I need you to design a programable NMEA buffer PCB. It should be in 122mm x 110mm. PCB should receive RS-422 data and convert it to CMOS using transistors and opto couples and receivers. Outputs RS-422 data to multiple device. All input, output and power ports should be galvanic isolated from each other. Electrical connections should be according to NMEA standards(check "NMEA-0183 Information...

ESP8266 Audio Interfacing Circuit Hardware Requirement:  ESP8266 controller (model 12F with 4 MB flash) dev board  8 ohm 0.5 Watt Speaker or 6.5 ohm 1W speaker to drive for mono audio file  Speaker interfacing circuit PCB to be developed (working with dev board via few jumper wires) PWM signal to be used and not I2S ....  Supply Voltage will be 3.7V from battery, no 5V will be available.. Soft...

The Goal is to send and Receive data on an webbased MQTT server. The µC will be PIC18F Microchip (ideally 18f4685 or approx.) uart connected to ESP12 module (ESP8266) (At command) MQTT library will be compatible to versions 3.1 and 3.1.1 of the MQTT protocol (or upper). Establish/manage Wifi connection. / Establish/manage MQTT connection. MQTT data sent or received will be sensor value and s...

BLE or low energy bluetooth project ( Hardware ) We want you to chosse right BLE for our project. Its portable product so Advertising mode current should be minimal and BLE chip should have MCU and Watchdog timmer inbuilt.

Hello there. We would like to measure the pH and conductivity of water by using Arduino and Rasberry cards and ph and ec probes. We want to monitor the values on a 4-7 inch screen and determine certain set values. We want to get open-closed or 4-20ma proportional output from the cards according to the specified values. Can you help us with this kind of work? This is an example and we will have a l...

I want to remotely monitor a 4-20ma signal from a level sensor remotely on my android mobile. There is internet avaiable (rj45 ethernet cable) at the installation site. I have an arduino already with ethernet shield.

I need Led uv light intensity control using Arduino. UV is turned off and on by optical sensor t5500. UV light power is independent. The detailed task will be discussed when recruiting.

Need a dashcam built with proprietary software. NDA signing required.

We are looking for an expert that has done magnatron/microwave ovens. We have a specific small area microwave (100mm x 100mm x 50mm) need and this needs a custom designed solution to make it competitive product. We are looking for someone with microwave oven design and manufacturing is desired.

we have error at the monitor as the attached photo is A 202 CODE axis servo error i want to know how can I find and solve the problem , what is the problem in the servomotor where we change the encoder .

Hi we are a technology business, looking for a experience engineer to design a 2.4GHz doppler radar transmitter with 2-3MHz bandwidth. We have identified LMX2491 for generating the required signals/bandwidth. More info will be given as required.

YOU NEED TO SEND 3 Fully working prototypes, Schemetics, PCB layout , Bill of materials, using EagleCAD software. PRODUCTION COST should be AS LOW AS POSSIBLE , with low power consumption The Project is to Make Bluetooth device (20mmX30mm) with the following spec: Bluetooth device that takes 2 CONTROL variables 1- Renaming Bluetooth AT commands 2- Saving command characters in ROM Programmi...

its computer-controlled systems for automatically placing and retrieving loads from defined storage locations. I used Arduino, Some sensor, motors and mechanical system in this

6 axis robot development, It is an existing project. Experience with STM32 F411 , STM32 F7 Series. Trinamic TMC5160, TMC4330. RS422, RS485 with SP3070E-78E Family. Magnetic Encoders AS5147.

We are an escape room company looking to build a long-term working relationship with someone who is well-versed with electronics - big and small. preferably someone who knows how to work with arduino/rfid/sensors and knows how to code. UK ONLY APPLICANTS PLEASE

PCB board for charging 3,7V LiPo cells with downscaling from 5V and 12V for charging and upscaling to 5V and 12V discharging, incl. over- and undercharging protection including an interface to use the contacts from the battery to operate an LCD-Device. Autosensing USB-A and USB-C sockets to be integrated. The detailled task will be released after signing an NDA.

I am searching for a way to create some custom commands in Marlin or grbl to make use of external hardware connected through RS232 to Arduino while printing.

I want to make pcb for transformer, SMPS, motor drive, plc program.

We are looking for an Electrical Engineer to provide a design review / second opinion of a PCB schematic prior to sending off for production. This would be a fairly small job consisting of a meeting to gain an understanding of the overall application and then a review of the design itself.

Hi I need a library to use FT801 with STM32G070. The library should using HAL to commuincate by SPI

to set up a HUD system showing details like speed, distance travelled, impact record, ability. to notify incoming call and ability to answer them using mic and speaker modules, Bluetooth connectivity, music playing and navigation assistance with route Info to be displayed on a LCD device with a battery back up for 6 hours, in minimal form factor

Recently i got a new idea for controller which is seprated in two parts left and right and replacing right side analog stick with mouse optical sensor on the bottom of right side I want to get a prototype for my controller Including Schematics , pcb, etc In a fixed period of time I'm looking for someone professional who could keep his words and get it done in fixed time frame Here is a...

Hi, I want ABB VFD communication protocol expert. details in chat please bid if you understand RS485 Communication by arduino to control another device. thanks

Let there are 6 NodeMCU ESP8266. Each NodeMCU in outdoor area and battery powered. Let there name be T1-R1, T2-R2 and T3-R3. Ti device generates wifi with some ssid and paasword and the respective Ri pair gets connected to its Ti device using that ssid and paasword. I have log the signal strength of each pair twice per second in following format (time, signal strength). Thus I will have 6 readin...