The id3esp32odb2 is an ESP32 based DIY OBD2 Bluetooth dongle and an Android app to show diagnostics data from a VW ID.3 car on an Android device.

A solar powered ATmega328P based DIY device to control 433 MHz ASK power outlets

DIY ATmega328P/Arduino IDE based logger for temperature and time. Device is powered by a small solar panel

DIY ATmega328P/Arduino IDE based clock without a display that speaks the current time acoustically when a motion is detected by a PIR sensor

Battery driven TransistorTester with a SH1106 I2C display, rotary encoder on a perfboard

DIY stand for a HP ProBook 450 G10 notebook

Simple arcade like motorcycling racing game controlled by gyroscope sensor (Arduino Uno/Nano with gyro sensor MPU6050, SSD1306 OLED 128x64 pixel display and an optional passive buzzer). Game is sho…

3d object rotated by a gyroscope sensor MPU6050 on an Arduino Uno/Nano with a SSD1306 OLED 128x64 pixel display.

Arduino Uno/Nano/ATmega328p, ESP32 library to control a DFR0534 audio module with SoftwareSerial or HardwareSerial

A 3D-printed mount for a power strip to attach to the edge of a table

Arduino library for KY-040 rotary encoders. The library has debouncing and works in polling mode, with pin change interrupts or normal interrupts

Example sketch to show, how to draw text or lines on a esp32-cam captured photo and save the picture on a SD card

Data import GUI for the solarTemperatureLogger project https://github.com/codingABI/solarTemperatureLogger

Tool to save screenshots as PNG files or copy to clipboard when the print button was pressed

DIY ESP32 based Stratum 1 NTP server that gets time from a GPS module and provides NTP via Wifi

Windows tool to translate a numeric standard error code to the corresponding text.

Raycaster where viewer can be moved and rotated by gyroscope sensor (Arduino Uno/Nano with gyro sensor MPU6050 and SSD1306 OLED 128x64 pixel display).

An ESP32 based, DIY, battery driven, wireless remote control to send key presses to a Windows or Android device via BLE

Digispark/ATtiny85 DIY based remote control for a vintage Cambridge SoundWorks Digital CSW250 speaker system

DIY receiver and senders for sensors based on ESP32 and ATmega328 with 433MHz ASK and LoRa

A rotating 3d object on an Arduino Uno/Nano with a SSD1306 OLED 128x64 pixel display

Test/stress tool for Windows that creates typical application faults, like a memory leak, freezes ...

An Arduino Uno/Nano library to use momentary switch buttons with debouncing, short and long press detection, supports sleep modes and works without blocking or delay()

This demo should show the blurring effect on a Nokia 5110/PCD8544 LCD display

Demonstration of segment multiplexing for a 7-segment display with an Arduino Uno/Nano

ESP32 Wifi credentials seems to are stored in an unsecure way.

OpenGL raycaster game. Player has to find the exit of the castle. Game is short and has only one level. It is more a technical demo than a real long game.

An population per square kilormetre map based on OpenStreetMap data