Espressif ESP32-C2 (ESP8684) has been updated to v2.0 with 20 KB of additional SRAM, 100 KB of extra flash, with some ...

To make it more user-friendly, I decided to use a 16x2 I2C-based LCD display to show door status and to provide important feedback messages to the door opener like Access Granted or Access Denied. In ...

This is a library for the Adafruit PN532 NFC/RFID breakout boards This library works with the Adafruit NFC breakout The -i flag will make the changes to the file. clang-format -i *.cpp *.h If you ...

can 0x3D (SA0 = VDD) or 0x3C (SA0 = VSS) i2cPort I2C Port, is only needed if you another interface than the standard Wire like Wire1 ... Create a LCD object with a given address of the I2C interface.

The QuadClock PCB is an ESP32-S3-powered multi-display clock controller designed ... one for power only) Expansion Qwiic I2C connector Flat cable expansion connector (SPI, I2C, power, and control ...