Arduino library for the BlueDisplay App. The App converts your smartphone into an Android remote touch display.

The App receives basic draw and GUI requests from Arduino etc. over Bluetooth (HC-05) and renders it. It also sends touch events over Bluetooth back to Arduino.

The ultimate battery tester with ESR measurement and discharge graph. Based on an Arduino Nano and a 1602 LCD.

Enables autonomous driving of a 2 or 4 wheel car with an Arduino and a Adafruit Motor Shield V2. To avoid obstacles a HC-SR04 Ultrasonic sensor mounted on a SG90 Servo continuously scans the area. …

Program for controlling a MeArm / RobotArm with 4 servos using 4 potentiometers and/or an IR remote

OpenLedRace version with accelerator or button inputs, track animations and winner melody

Arduino library to control brushed DC motors by PWM. Uses optional attached encoders to drive fixed distances.

Arduino library to play RTTTL melodies / ringtones non blocking from FLASH or RAM.

Arduino Library for controlling a mePed robot V2 with 8 servos using an IR remote.

Simple DSO Software for Arduino Uno/MEGA with a Touchscreen Shield

Arduino library for faster and smaller digitalWrite(), digitalRead() and pinMode() functions using direct port manipulation for constant pin numbers.

Github actions script for testing build of Arduino libraries with arduino-test-compile

Arduino library to enable smooth servo movement.

Apps for a STMF3-Discovery board with HY32D touch screen or BlueDisplay App - DSO, FrequenySynthesizer, Accelerometer and DAC demo etc.

Utility collection for Arduino programming

Fork for the firmware / digispark part of the micronucleus repository

Tiny and cheap robot car for inspecting sewer pipes >= 125 mm. With pan servo for the ESP32-Cam module

Refurbished Arduino version of the Talkie library from Peter Knight.

Lightweight Servo library for Arduino for 2 Servos at Pin 9 and 10. Needs only timer1, no interrupts or other resources.

Github Action to compile all examples of an Arduino library for one board and check for errors

Converts the JK-BMS RS485 data to Pylontech CAN data

Arduino sketch, which helps detecting the connections of the I2C interface and prints info available from the SMB (SmartBatteryModule) laptop battery pack.

Patterns for NeoPixel strips and matrixes including the patterns of the NeoPattern Example by Adafruit.

Arduino Nano substitute for a RS485 3 Phase DTSU666-H coil based power meter. Less resolution, but better display

Issues an alarm, if window is open for more than 5 minutes. Arduino sketch for ATtiny85. Battery operated (6 microAmpere).

Arduino library for push buttons at INT0 and / or INT1 pin (pin 2 / 3). Provides debouncing and toggle button functionality.

Minimal bit-bang send serial 38400/115200 baud for 1MHz or 115200/230400 baud for 8 or 16MHz ATtiny clock