There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

This library started as a fork for the FlexyStepper library. While the FlexyStepper Library is a general Arduino compatible library this fork had a focus on the ESP32 modules from Espressif. Soon this ...

This is a record of how I, a mere commoner, suddenly decided to try designing a keyboard from scratch. I would be honored if this could serve as a catalyst for someone, somewhere, to fall into the ...

The Arduino Nano Connector Carrier is a compact add-on board designed for the Arduino Nano boards to allow easy connection to Qwiic, Grove, and Modulino expansion modules. The company also announced ...

This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor ...

This is a two-part series where DI authors Damian and Phoenix Bonicatto explore the IQ signal representation and negative frequencies. Part 1 explains the commonly used SDR IQ signal representation ...

Touch screen head units are pretty much the norm these days. Many compromise with annoying on-screen volume controls or tiny buttons. If you find yourself with such a unit, you might like to hack in a ...

73, all hams and radio fans! Once again, Elektor presents a pronounced combination of embedded and radio technology in the form of the ATS25 max-Decoder — a powerful, ultra-compact multimode ...

Arduino library for the KY-040 Encoder. This library allows the user to connect one or more encoders to any of the interrupt pins supported by your board. The user may then add rotaries that will each ...

The product we are reviewing today is the “MaTouch ESP32-S3 Rotary IPS Display with Touch 2.1” ST7701″ from Makerfabs which offers an alternative to the MaTouch_ESP32-S3 4-inch Display Demo Kit that ...