While there is a time and place for wirelessly controlled devices, sometimes you want something you can just reach out and ...

ESP32_Host_MIDI turns an ESP32 into a multi-protocol MIDI hub. Connect a USB MIDI keyboard over USB Host, receive notes from an iPhone over BLE, bridge a DAW over WiFi with RTP-MIDI (Apple MIDI), talk ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

The difference between high-side and low-side power switching is not apparent to many new designers but is a critical aspect of a viable circuit. Part 1 looked at the topology of high-side versus ...

Waveshare “ESP32-S3-Touch-LCD-4.3B” is a capacitive touch display development board built around an ESP32-S3 SoC with RS485, CAN Bus, I2C, and isolated DIO interfaces provided through a terminal block ...

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 ...

Discover the updated Arduino IoT water leak detector: smarter, more efficient, with advanced monitoring and alert systems for the modern smart home. Following the Elektor article presenting the water ...

We build the Arduino based Multi-house Water Pump Control System. Here we are going to explain step-by-step, how you can make your own Water Pump Controller. But before that, we need to understand why ...

Want to build a breakout board for the Monolithic Power Systems MP6619 H-bridge motor driver? This article covers the process, and it details the importance of using optocouplers to provide electrical ...