This continuous LED is perfect for photographers and videographers who need a compact, constant light with an extra-long ...

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Excellent audio performance for this easy to use radio, able to decode most internet station formats ! Updated firmware and Web Server. I have built several internet radios. During my tests, I ...

The Arduino UNO R4 brought a modern 32-bit platform to the classic UNO form factor, adding higher voltage tolerance, USB-C, a Renesas RA4M1 MCU, and a long list of robustness upgrades. The WiFi ...

Let’s say you want to blink an LED. You might grab an Arduino and run the Blink sketch, or you might lace up a few components to a 555. But you needn’t go so fancy! [The Design Graveyard] explains how ...

YB-ESP32-S3-DRV Development Board Overview: The YB-ESP32-S3-DRV is a development board based on Espressif's ESP32-S3 MCU and especially designed for driving a wide range of loads including solenoids, ...

VCC-GND Studio, ESP32-S3 Core Development Board: ‘YD-ESP32-S3’. Also availiable as: Binghe ‘ESP32-S3 Core Development board’. Also availiable as: ‘ESP32-S3-WROOM-1 Dev N16R8/N8R2’. This dual USB-C, ...

The PicoPD Pro is an open-source Raspberry Pi RP2040 development board that integrates USB PD support up to 30V, and features like voltage negotiation and power delivery while still retaining the ...

This project demonstrates an Arduino-powered wireless frequency meter that can measure the frequency of sinusoidal AC transmissions ranging from 50Hz to 3kHz. Figures 1 and 2 show prototype ...

The following project is an update of Gary D. Patterson’s “Simplified CTC signals” in the July 1988 issue of MR. Bringing the project up to date was a large endeavour. The block control project now ...