Arduino is an open-source electronic prototyping platform for working with electronics. It is a expert field requiring specialized skillsets. If your business needs help with Arduino projects then you have come to the right place. Post your projects related to Arduino here on this website and we can let freelancers bid on them.

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    Arduino coder for LoRa 6 วัน left

    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...

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    Develop IOT device to monitor temperature and position 6 วัน left
    ยืนยันแล้ว

    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)

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    i want to build some arduino and node mcu code

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    ESP8266 Audio Player 6 วัน left
    ยืนยันแล้ว

    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...

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    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...

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    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.

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    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.

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    *** 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 microchip. - 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 this p...

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    I am looking for a developer who has worked with Instagram API or knows their way around instagrams code. I would like someone familiar with Python coding. We would like an app developed we can use for admin purposes that will allow us to monitor the social media pages of our clients and provide data.

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    Bluetooth PCB board 5 วัน left
    ยืนยันแล้ว

    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...

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    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

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    electronics engineer 4 วัน left

    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

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    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.

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    Marlin or GRBL external hardware integration 4 วัน left
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    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.

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    Trophy icon Simple phone app with button turn on/off 4 วัน left

    Simple phone app with button turn on/off for adafruit BLE

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    Hola Necesito una solución económica para un sistema de engrase para cadenas de arrastre. Para ello, pensé en una solución IoT basada en Arduino. Dejo a la elección del desarrollador la elección del hardware. Las especificaciones básicas son las siguientes: El controlador que propongas deberá contar impulsos (cada impulso es un eslabó...

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    ----------------------------------------------------------------------------------------------------------------------------------------- The requirements : fix neural network *To build everything in Verilog, *The accuracy test by using the MNIST database and the training function *To find out the best accuracy it can be and the time take in training. *All of this should be printed in the ...

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    Force/ pressure arduino project 3 วัน left
    ยืนยันแล้ว

    I need pressure/piezo sensor connected to arduino connected to a pc the results to be displayed on pc The game play and details to be discussed over the chat

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    Arduino Programing 3 วัน left

    we have a working arduino program. We are facing some issues with calling a php and save the response in a variable. This is a very small project, which can be done in an hour. We have more works some are full scale projects to do, this can be like a test project.

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    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

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    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...

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    Need to design firmware to build MQTT gateway with following details [เข้าสู่ระบบเพื่อดู URL] for STM32 + sim800 + SPI flash memory 2. Gateway need to publish data received on uart of STM32 gate way from mother board 3. Gateway need to subscribe topic and when data recieved send that data to mother board via uart 4. Gateway need to check atleast once/twice a day for new firmware available on serve...

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    Design a PCB and Firmware for two BLDC wheels (1 month) 2 วัน left
    ยืนยันแล้ว

    I need you to design a main PCB board to operate two-wheel BLDC hub motors and a few auxiliary components e.g. lights. You will also design a small joystick logic to talk with the main PCB board. So we want to use as many pre-built electronic modules as possible to simplify the design task. All the pre-built modules have already been selected. Specific model numbers will be provided in private ch...

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    PCB Camera 2 วัน left
    ยืนยันแล้ว

    I am seeking an Electronic Engineer with special skills. I need a schematic and BOM for a camera and computer on the same PCB. I am currently using the Raspberry Pi 3 Model B+ with the Raspberry Pi NoIR Camera V2. I do not use all the features on the Raspberry Pi 3 Model B. My goal is to: 1. Combine IC and camera onto one PCB. [เข้าสู่ระบบเพื่อดู URL] unused Raspberry 3 Model B features. 3. Lower ...

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    Polar Arduino 2 วัน left

    Merhabalar, Endustriyel alanda urettigimiz cihazlarimiz var. Cihazlarimizin uzerinde oransal,on-off vanalar, analog sensorler, elektrik motorlari gibi ekipmanlar mevcut ve belirli bir senaryo ile calisiyorlar. Ekipmanlarda genel olarak Siemens Plc'ler kullaniliyor ve kontroller analog swichler ile kontrol edilmekte genel olarak Hmi arayuzleri yok. Biz bu ekipmanlari daha uygun maliyetli ardui...

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    求teensy2.0作为midi设备的无线传输的发送和接收的代码 2 วัน left
    ยืนยันแล้ว

    把teensy2.0作为midi设备,从teensy2.0接出八个旋钮或推子控制音乐软件音量,有两个teensy2.0,一个发送,一个接收,也就是一个teensy2.0插在电脑上,另一个teensy2.0(接8个音量旋钮或者推子)通过无线(xbee)发送到这个teensy2.0(作为midi设备插在PC上)。 因此我想请大神帮我写这两个teensy2.0的代码,一个是发送代码一个是接收代码。 下面有一个文件是别人做好的代码,但是只能控制一个旋钮或推子(如果按照这个事例修改为控制八个旋钮或推子的话,就会互相干扰)的音量,我要的是八个。仅作参考

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    We need to implement an ultrasonic data transmission between a Computer and a board (IC = STM32, or nordic, ......) On computer must be only software to modulate the data in audio then on board only need to demodulate the audio in data. On the board we get the data from microphone.

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    I am looking for a developer who has worked with Instagram API or knows their way around instagrams code. I would like someone familiar with Python coding. We would like an app developed we can use for admin purposes that will allow us to monitor the social media pages of our clients and provide data.

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    Friendly Android game 1 วัน left

    Who will help to build and app, I can begin design asap? I'm ready to start build applic for android latest of 7.0 nuget and up. app is simple yet all file information can shall provide to work. one app I ask try to work consistent not persistent on changes. basic prototypical redering of UI design app no bigger than 60mb. app integration in android with wifi and bluetooth and google maps API...

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    Looking for someone to create an Arduino [เข้าสู่ระบบเพื่อดู URL] file and setup a variant.c and variant.h for a custom board that uses the SAMD21J18A. Then possibly help with customizing some firmware to load on the device from the Arduino IDE.

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    Projeto Arduino 1 วัน left

    preciso desenvolver um projeto de controle e monitoramento de uma máquina utilizando uma placa Arduino UNO R3 + placa Ethernet W5100. o projeto é o seguinte: - receber dados da máquina - enviar dados para um servidor web - ter gráficos e relatórios dos dados - enviar avisos via Twitter (SMS) caso algum valor esteja fora dos parâmetros preestabelecidos.

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    arduino library port object recognition. 1 วัน left
    ยืนยันแล้ว

    [เข้าสู่ระบบเพื่อดู URL] - most of the peices are in place just needs to be edited and compiled. project is aimed at someone who would like some of the credit and help opensource community out.

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    I'm in yr12 and I've taken up a project to design a speaker. This speaker will include some sort of mood lighting system that reacts to the sound, bass etc. what I need is a programmer who will be able to code instructions for the speaker and lights to function at the same time. I would've done this myself if I knew how to use Arduino.

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    RFID engineering/programming 1 วัน left
    ยืนยันแล้ว

    I need a software engineer who specializes in automation to work with existing RFID reader/sticker/speaker technology. The end project goal is when a RFID sticker is near the reader - it activates the reader to turn on a sound device such as a radio/bluetooth speaker/podcast etc. There will be multiple speakers and readers simultaneously running. An app will need to be developed to tie the project...

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    NDA
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    ANSI C12.18 C12.21 driver ARDUINO for ABB ALPHA Electricity meters 1 วัน left
    ยืนยันแล้ว

    We need to develop a driver to communicate with ABB Electricity Meters, ALPHA family (A1R,A1R+ ALPHA II, ALPHA III) by ANSI C12.18 C12.21 in the Arduino Platform (We use the Arduino Zero SAMD21 Board), and a driver for Linux System. We have our own SAMD21, Arduino PCB Board with our own Optical Port. (You can use ARDUINO ZERO board to test and connect the optical reader to the TTL serial port) We...

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    electronics embedded system with projector 1 วัน left
    ยืนยันแล้ว

    Hello, we want to design a small chip integrated with porjector and bluetooth connectivity. so we can connect that device with software to phone. the size of the deivce has to be really small so we can fit in the wrist band.

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    We are looking for a hardware/software solution to replace a Noritake Itron MN18032B VFD display with an OLED display. The solution would have to take the existing data stream and convert it to drive an OLED display based on the SSD1322. The solution would also have to have accept a logic level for dimming the display. . This is the minimun capabilities of the required solution. If possible we wo...

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    bug fix a ESP8266 based web to serial controller -- 2 1 วัน left
    ยืนยันแล้ว

    I have a ESP8266 based web to serial controller project written using Arduino i need a few items sorting out mainly web page format and add a drop down box to change modes on the connected device

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    bug fix a ESP8266 based web to serial controller 1 วัน left
    ยืนยันแล้ว

    I have a ESP8266 based web to serial controller project written using Arduino i need a few items sorting out mainly web page format and add a drop down box to change modes on the connected device

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    Helmet ignition system 1 วัน left

    I am currently working on the project called helmet ignition system. So I want a camera coded with arduino /Raspberry Pi which can detect helmet and according will control the ignition system of a 4 stroke petrol engine of a motorcycle.

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    We need to have small keyrings/watchsize/wearable IoT devices with various functionality to track and connect to both bluetooth and wifi. Especially BLE is of interest. Optionally to NB-IoT, LTE-M and LoRa Must have long standbytime, so understanding the concept of programming for ultralow power consumption is a must. You have to show, real experience and understand how to program use the Arduin...

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    Working on Ebyte Zigbee Module 20 ชั่วโมง left
    ยืนยันแล้ว

    We are working on a home automation project. the communication network uses zigbee protocol. we have got one zigbee module from ebyte and we want to test it's capacity and then introduce it into our [เข้าสู่ระบบเพื่อดู URL] require someone with good knowledge of WSN and Home automation. Also he /she should be capable of handling all aspect of building a prototype.

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    พื้นที่
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    Arduino code for stepper motor -- 2 18 ชั่วโมง left

    I would like to operate 2 nema17 27:1 stepper motors. At a set time for the protocol between 15 and 40 seconds i want motor A to turn 6 rotations at speed x the 1 rotation at speed 0.5x and then a final rotation at 0.33x. All continuously and without pause. Then a 10 sec delay followed by a return to the origin by rotating 8 revolutions in the opposite direction. I need motor B to do the same prot...

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    Arduino code for stepper motor 15 ชั่วโมง left

    I would like to operate 2 nema17 27:1 stepper motors. At a set time for the protocol between 15 and 40 seconds i want motor A to turn 6 rotations at speed x the 1 rotation at speed 0.5x and then a final rotation at 0.33x. All continuously and without pause. Then a 10 sec delay followed by a return to the origin by rotating 8 revolutions in the opposite direction. I need motor B to do the same prot...

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    Build a PIR based light system 11 ชั่วโมง left

    We want to build a PIR based light system which has the following capabilities 1. Set timer (Maximum time after which the lights will turn off sensing no motion) 2. Set day/night mode (using LDR) 3. Should be compatible with the casing we provide. 4. Triac or relayed based switching For more details you can ping us (Removed by Freelancer.com admin) Complete Details also attached as a support doc...

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    Esp32 Sim800L EVB (with internet SIM) 2 ch RELAY TO BE USED FROM ANYWHERE TH INTERNET using a website hosted on server Authorized numbers stored in sim card can Switch ON OFF Relay using GPRS or th AP / STATION mode using ESP config (th password and command) by creating webpage so that relays can be operated from anywhere using internet th wifi router GPRS data from sim or by sending SMS ESP32 / ...

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    บทความชุมชน Arduino ชั้นนำ