Tanaka Masayuki's PCMFlow722 library enables (half-duplex) two-way real-time HD voice over ESP-NOW on ESP32 boards with a speaker and a microphone, ...

This library is a data frame parser for the CodexPad series gamepads on the Arduino platform. It receives raw data byte streams via a Stream object, parses the protocol frames, and extracts button ...

Credit cards are more than just convenient payment methods, they’re a culmination of decades of technological innovation, some of which have surprising origins. As Veritasium explores, the magnetic ...

In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 LoRa module. The device measures temperature, humidity, pressure, and gas ...

If you want to blink an LED once every second, you could use just about any old timer circuit to create a 1 Hz signal. Or, you could go the complicated route like [Anthony Vincz] and grab 1 Hz off a ...

Do you remember your first portable radio? For Sjef Verhoeven, it was a Sony Walkman in 1993. As is common in the Netherlands, he would often ride his bike. That spring, he heard FM stations from the ...

Waveshare ESP32-S3-Touch-LCD-1.85C is an ESP32-S3 development kit with a 1.85-inch round touchscreen display with 360×360 resolution, support for Wi-Fi & Bluetooth BLE 5, and a built-in microphone.

Abstract: This paper presents the development of a DTMFbased home automation system using GSM technology. The proposed system leverages Dual-Tone Multi-Frequency (DTMF) signaling and Global System for ...

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Explore ham radio and Arduino in this video about “Arduino for Radio Applications” by Glenn Popiel, a must-have guide unlocking many possibilities. In this new video from Elektor, we bring together ...