What you are trying to do? I'm trying to read from an I2C device which is not always present. With ESP32 Arduino 1.0.6, the read fails instantly as it should. With 2.0.1 it blocks for a full second ...

This repository contains Arduino code and documentation for interfacing with an I2C (Inter-Integrated Circuit) LCD (Liquid Crystal Display). The code is designed to facilitate easy integration of I2C ...

In this review of the Maker Uno RP2040 board with the Arduino IDE we could blink LEDs, control RGB LED lights, press the user button to turn on one LED or make the buzzer output some melody, control a ...

I2C Universal MosFET 2A fused AC/DC OptoCoupler board for ESP32 / Arduino 16 channels, Toshiba PHOTORELAY 100V no clicking, no signal bounce. Switch signals on/off, 2 Amps DC or AC using I2C bus. IO ...

Featuring a pre-provisioned Iridium Certus 9704 module, the developer kit also supports expansion headers and connectors for Adafruit FeatherWing modules, Arduino Shields, Qwiic/STEMMA QT modules, and ...

With a bit of hacking at the Arduino MIDI library, [Kevin] was able to get the microcontroller outputting MIDI data over the I2C interface, and developed a useful generic I2C MIDI transport for ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Who Won and Lost in Trump’s Tax Bill Scientists tracking ‘interstellar’ object that has come ...