I2C
- U129MCP23008 Breakout2023-10-24
- U125Multi-Purpose IO Card2023-07-26
- U121An I2C Matrix Keypad2023-06-27
- U98Redesigning my MCP23017 breakout2023-01-20
- U81ATMega328 I2C Base Board2022-08-25
- U80PWM Controller with R/E2022-08-19
- U78I2C IO Card for ESP-12E I2C Base Card2022-07-28
- U77ATMega 328P Based PWM controller Card2022-07-27
- U74ESP-12E I2C Base Card2022-07-18
- U67Adding flashing lights to the Robotic Toy Car Project2022-06-16
- U64A breadboard friendly MCP230172022-05-28
- U53I2C IO Module with 4 Relay Outputs and 4 Galvanic Isolated Inputs2022-03-14
- U52IO Shield for LoRa Base Module2022-03-13
- U51Sx127x-Ra-02-Test-Module with ATMEGA328P-AU2022-03-10
- U46Port Extender Card for the MCU-8266-12E2022-01-21
- U44ATMega328P prototype add-on card for use with the MCU-8266-12E IoT controller.2022-01-17
- U41Design and build an ESP8266 IoT Controller, Part 32021-08-30
- U39Design and Build an ESP8266 Based IoT Controller - Part 12021-08-16
- U38Build your own 8 DI Optically Isolated Arduino Shield – Part 32021-07-30
- U37Build your own 8 DI Optically Isolated Arduino Shield – Part 22021-07-22