Arduino Jobs

I am looking for a PCB board that can: 1. Charge from grid 220V 50HZ 2. MPPT charger 60A Max 3 Low frequency. Inverter circuit. 2-10kW single phase 220V 50HZ pure sine wave, high efficiency 4. Uses battery AGM / Flooded / GEL 12V / 48V / 24V 5- Solar, grid inputs and battery information Battery AH 200AH x 4 pieces to 8 pieces. Battery voltage 12V Touch screen display as an option which shows ...

I am looking for a PCB board that can: 1. Charge from grid 220V 50HZ 2. MPPT charger 60A Max 3 Low frequency. Inverter circuit. 2-10kW single phase 220V 50HZ pure sine wave, high efficiency 4. Uses battery AGM / Flooded / GEL 12V / 48V / 24V 5- Solar, grid inputs and battery information Battery AH 200AH x 4 pieces to 8 pieces. Battery voltage 12V Touch screen display as an option which shows ...

The solution I need First: Identify RF modules, stack and circuit that can provide a A server/master that will talk to all the clients, send them commands and receive data back from them. Take commands from a Serial UART Maybe queue commands to clients Send commands to clients when they wake Receive data from clients when sent Battery powered Nodes(s) that will operate on a 2000ma Lipo batt...

I am looking for a firmware developer who has expertise in Bluetooth connectivity between the phone and the device.

I need a game button via WiFi to show the fastest person that press the button. we want to use a Microchip WiFi Dev PCB and laptop. You will need to create firmware for the dev PCB and a small app for a laptop to communicate with the WiFi Dev PCB. The WiFi Dev PCB has a web server already to manage the WiFi setting, it would need some cleanup ( just removing MicroChip logos and app notes etc. and ...

Need Custom App for iOS and Android for basic battery level Display with GPIO control of extra features of our power bank

iot project need mobile app which detects the coordinates of user and sends it to web server which interacts as a middle ware between arduino and sensors and user based on some algorithms

Hi, I have multiple ESP32 dev boards, what I'm using like a magnetic detector (with inbuild hall sensor) With one ESP32 it's not a big problem (code attached = combination of web server & hall sensor example). Question is, how can I send this info from multiple ESP32 boards into one website? (See attached image) Thanks

i want to build uhf reader gate can read tag and save in database with alarm in exit gate by arduino

Hello to all of you talented professionals! I appreciate your time and interest in my project. I hope you have been having a blessed day so far! We are looking for an experienced individual or team that will help to create an initial design and functioning prototype for a custom electronics project, which to be specific, a wearable robotic exoskeleton for upper limbs. Basically, we need som...

we already have the materials, 1. a serial TTL Camera 2. Arduino Mega 3. Arduino Ethernet Module with SD Card Slot 4. Mechanical Doorbell.

Budget:30$,do not apply if u r expecying more than 30$.please only apply if u can start now. Hi, lat,long should be retrieved without GPS chip,use google maps API. 1)Need to retrieve lat,long,speed,batterylevel(external battery with 48V,10Ah) 2)Need to pass to API,code is already there,u have to pass variables only. You need to have nodemcu and 4 relay module ready with you. You have to help via t...

I am a mechanical engineer who has worked with many domestic USA vendors and overseas vendors on embedded products. I currently have one product that needs to be ported from a Tiva MCU to an ESP32. All current code is written in c. We currently have code written for TM4C1294NCPDT on a custom board with 2G modem. However, now I want to use an inexpensive ESP32 board with external SD card and ...

Budget:20$,do not apply if u r expecying more than 20$.please only apply if u can start now. Hi, lat,long should be retrieved without GPS chip,use google maps API. 1)Need to retrieve lat,long,speed,batterylevel(external battery with 48V,10Ah) 2)Need to pass to API,code is already there,u have to pass variables only. You need to have nodemcu and 4 relay module ready with you. You have to help via t...

1)This project need arduino coding, c# coding and Android apk coding. 1.1)I want to control relay switch on and off, using mega2560 and PC c#, and android phone app apk to control arduino board relay on and off. 1.2) Please write a c# program in GUI interface, not in DOS interface, and ensure the c# program can run on Linux by using mono successfully. 2)PC C# and arduino board communicate throu...

I need to build a program that 1) mines bitcoin connected to a pool 2) independent from a computer through an arduino based microcontroller (ESP8622 wifi Lolin v3 works) 3) for it to display the process in a display connected to the microcontroller Refs: [login to view URL] [login to view URL] [login to view URL] micrcontrolador ESP8266 lolin nodemcu v 3

I have tried to install driver for 1.44inch SPI display to raspberry pi zero, but still not successful. so I am looking for some one who can make sample python script to display text and image. Enviorment -Raspberry pi Zero W with raspbian-stretch-light -1.44inch SPI display [login to view URL] What I want. 1. python script which displays, random text and images. [login to view URL] image of ...

I am looking for a datalogger solution from an arduino board and I have put my wish list below. We commission new mains and need to log both flow rates into the pipe work initially and then much lower levels of water whilst pumping water to raise pressure. Pressure must also be monitored. We need an adjustable data recording time of between 5 and 30 seconds to log pressure and flow. Ideally we...

I am looking for a datalogger solution from an arduino board and I have put my wish list below. We commission new mains and need to log both flow rates into the pipe work initially and then much lower levels of water whilst pumping water to raise pressure. Pressure must also be monitored. We need an adjustable data recording time of between 5 and 30 seconds to log pressure and flow. Ideally we...

Hi, I develop a product via ESP32. But there were some places that I faced with the problem so that I need help to transfer Image and video file via Bluetooth in ESP32 read from SD card. Exactly, Image and video file should be transferred from ESP32 to Android device. the data to be transferred is between 2 and 8 MB. Transferring time is very important for me please be careful. I completed half ...

I want to create custom hardware for Android devices using which I am able to detect page turn of physical book on my mobile. book and device both are under our control and can be customized as per the need. for reference look here [login to view URL]

We seek to convert some sensor outputs to Modbus-RTU (RS485 2 wire)

Design 3 products as I will provide the enclosure and the freelancer must provide the PCB complete design to fit within it and also firmware with a little webserver. The product is an I/O wireless based on LoraWan module, with external antenna communicating in Modbus. 1) It will have two relay outputs and two optoinputs, as well as a watchdog timer circuit communicating in a TCP Modbus Network ...

Design two products as I will provide the enclosure and the freelancer must provide the PCB complete design to fit within it and also firmware with a little webserver. The product is an I/O wireless based on ESP-32, with external antenna communicating in Modbus. 1) It will have two relay outputs and two optoinputs, as well as a watchdog timer circuit communicating in a TCP Modbus Network 2) It wi...

Need a specialist in arduino nano and wifi technique to develop a wireless buzzer system.

Hello. I have written a arduino code but it needs tweaking. Not a lot of work to be done but it would help getting someone experienced. I also have designed a minamilistic PCB that needs tweaking, I made a one sided board in fritzing as I do not know how to use eagle or other design softwares. I can give you a basic idea of what needs to be done. (Removed by Freelancer.com Admin) Regards Vi...

we are looking for an expert to program an RF-BM-ND04 is a Bluetooth Low Energy data module built on the basis of Nordic nRF52832. *Removed by Admin*

Hi i’ve been learning about arduino from past month. i’ve made few basic and intermediate projects. My requirement is to make a Device which consists of SIM module Recorder Small size arduino So the idea is to make a device which records a voice and puts it on a server using data pack of sim. Initially a prototype is also okay using shields and all but for the final stage i want a devi...

[login to view URL] phone scan the QR code on the bike or lock; [login to view URL] upload lock ID number to the server; [login to view URL] to confirm the user information, lock state and other key information, the normal authority can unlock the lock; [login to view URL] issued an unlock command to the phone, while issuing an unlock command to the lock [login to view URL] - GPRS unlock or Blueto...

Budget:20$ ,need to have 5 years of expereince wih nodemcu and developing commercial products. 1)Need to connect to Android mobile hotspot to utilise 4G internet usage into nodemcu. 2)Need to call 2 webservices(24x7) and call a 4 relay according to API response,post value to server back again after executing,should run 24x7,should never stop till its reset. 3)Need to have nodemcu esp8266,4 relay m...

arduino rectification of a code

VFD model - Frecon FR 100. Arduino - Uno and Mega Draw wiring diagram/ pinout. Write few lines code for Arduino to send command to VFD inverter. Functions: Clockwise Counter Clockwise Brake PWM speed control

Basically, we are making a project using Arduino Uno and Gsm sim900A module,gps and safety alarm 1)Instead of typing a fixed password we want to send the password(4 digit) as an OTP to our mobile app in which user is registered. 2)There will be a dialler keypad in which user will type the otp received from our app using Google authentication API or any otp 3)Now , when we receive the OTP we wi...

Project includes implementation of Kalman algorithm for a program. More details will be shared

We have been developing a lighting control system which consists of an app, hardware (LED drivers, wall switches, sensors), and MCU embedded software/firmware. We are a start up in Hong Kong aiming at providing the system to the Hong Kong market.

I am looking for a Firmware developer on STM32F411 or similar.

I need 2 EPROMS coded with updated firmware for a midi module I have. EProm's are marked in yellow.

The progect is done in Gradle and it must compile an Arduino project with certain parameters. After compiling...the resulting [login to view URL] file should be moved in a specified folder already created,if not,creating it at the spot. The following input parameters: 1. fileName for [login to view URL] file [login to view URL] Variable1 that should be inserted in the project [login to view URL] ...

This project needs mp3 file transfer from Android to arduino over hm-10 bluetooth module and write it to SD card with SD card reader. I need working sample code and connection scheme that how wires have been connected to arduino. My budget is about 100-150 USD.

Greetings, i need a to be able to spray pain from point A to point B. i would like to hired a programmer who can make a code for a arduino or rasberry PI. Basically what im looking for is to be able to push a start button. move the object or spray gun from point A witch is home to starting point B wait there for a programmable period of time and then return to Point A activating a relay and with ...

HIRING - one month your membership I prepaid, and wait for Tasks, expired in One year Hiring to Complete my Job(s) I want to give away some payment as much as your membership fees As I will determine the percentage of the cost And decide on how to implement it I will choose as much as I could to hire freelancer here in every cycle of year Look at my profile and guess who I need, send in ...

Hola, necesito el programa del arduino que realice una consulta de una base de datos postgres a través de una conexión gprs.

Budget:20$,do not apply if u r expecying more than 20$.please only apply if u can start now. Hi, lat,long should be retrieved without GPS chip,use google maps API. 1)Need to retrieve lat,long,speed,batterylevel(external battery with 48V,10Ah) 2)Need to pass to API,code is already there,u have to pass variables only. You need to have nodemcu and 4 relay module ready with you. You have to help via t...

code sensor air quality ardunio

Budget:20$ ,need to have 5 years of expereince wih nodemcu and developing commercial products. 1)Need to connect to Android mobile hotspot to utilise 4G internet usage into nodemcu. 2)Need to call 2 webservices(24x7) and call a 4 relay according to API response,post value to server back again after executing,should run 24x7,should never stop till its reset. 3)Need to have nodemcu esp8266,4 relay m...

un carro programado mediante una placa de arduino y controlada por medio de instrucciones dadas al modulo bluetooth con una aplicación para Movil Android

Preciso de um sistema supervisorio integrando Arduino e Elipse SCADA, onde o supervisorio controla 3 motores de passo e lêem seus valores de pulso.