CNX Software

LilyGO T-Display S3 Pro LR1121 devkit adds Sub-GHz and 2.4GHz LoRa, audio support

LilyGO has recently released the T-Display S3 Pro LR1121, a new ESP32-S3 development kit with a Semtech LR1121 transceiver ...
CNX Software

Tablet-like, ESP32-P4-based 7, 8, and 10.1-inch HMI displays integrate Wi-Fi 6 connectivity, 5MP camera

Waveshare has recently released the ESP32-P4-WIFI6-Touch-LCD, a family of tablet-like, fully enclosed HMI display development ...
Hackaday

A Guide To Using Triacs For Switching AC

For switching high-powered loads from a microcontroller, or for switching AC loads in general, most of us will reach into the ...
GitHub

Arduino UNO as a 6 channel I2C PWM generator.

I2C_PWM_generator is a sketch to change an Arduino UNO in an I2C slave device to control the 6 PWM outputs of the Arduino UNO. One can think of this sketch as a co-processor that handles the 6 PWM ...
Hackaday

Accurately Aiming Audio With An Ultrasonic Array

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...
GitHub

An example project to test the PlatformIO IDE in VSCode for Arduino Nano ESP32 programming

Install the PlatformIO IDE extension from the VSCode extension marketplace (see workspace recommendations). You may be asked to install Python. You may follow the ...