Code and documentation for Sunfounder Universal Maker Sensor Kit

A wrapper for Arduino UNO R4 WiFi microcontroller WiFiS3 HttpClient with functionality of GET & POST.

Code and documentation for SunFounder Elite Explorer Kit

An App built with an Arduino UNO R4 WiFi and TFT LCD Touchscreen to demonstrate free drawing on a canvas and saving/loading drawn images from a server

Code and documentation for SunFounder Ultimate Sensor Kit

Program to create a freely paintable canvas on 3.5" TFT LCD Touchscreen Displays (using ILI9486 Driver) with the Arduino UNO R3/R4 and MCUFRIEND Library

Example usage of Arduino UNO R4

Program to load a BMP image from an SD Card and display it on 3.5" TFT LCD Touchscreen Displays (using ILI9486 Driver) with Arduino UNO R3/R4 and MCUFRIEND Library

Renesas RA Flash tool

Program to demonstrate the usage of configuration files as separate entities from the program, using an SD Card with a 3.5" TFT LCD Touchscreen Display (using ILI9486 Driver), Arduino UNO R3/R4 and MCUFRIEND Library

An Arduino program that turns an Arduino R4 and a Sparkfun Simultaneous RFID Reader into a ZRound protocol compatible UHF RFID lap timer.

Program to calibrate 3.5" TFT LCD Touchscreen Displays (using ILI9486 Driver) with the Arduino UNO R3/R4 and MCUFRIEND Library

Program to play TicTacToe on 3.5" TFT LCD Touchscreen Displays (using ILI9486 Driver) with the Arduino UNO R3/R4 and MCUFRIEND Library

Program to demonstrate data logging using an SD Card with a 3.5" TFT LCD Touchscreen Display (using ILI9486 Driver), Arduino UNO R3/R4 and MCUFRIEND Library

Arduino UNO Wifi r4 and DHT22 (or DHT 11): send data to Firebase and show it on React web app.

for Uno R4 2023 - Camelforth in C by Dr. Bradford Rodriguez - RA4M1 MCU from Renesas

Arduino Uno R4 air quality project with AHT20 and SGP40 sensors.

Arduino library for the PZEM-004T V4.0 (100A) Energy Monitor, compatible with Arduino UNO R3, R4, Nano, Mega, and other Arduino boards. This library enables easy reading of voltage, current, power, energy, frequency, power factor, and alarm status using the Modbus RTU protocol.

Arduino Uno R4 Reaction Game

Arduino UNO R4 various method for GPT PWM examples with Knight rider LED demo.

MIDI to Arduino/ESP32 converter for multi-buzzer performance.