It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

The Artemis Watch 2.0, made by CircuitMess, is a $129 programmable smartwatch designed less as a gadget you wear and more as something you can digitally rebuild into your own creation.

Build for monitoring, buy for safety.

It's why DIY smart home projects suddenly got cheap (and actually doable) ...

Abstract: This article presents the design, simulation, and construction of a low-power three-phase inverter using sinusoidal pulse-width modulation (SPWM), implemented with a low-cost microcontroller ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for analog circuits, but can fall short with programmable logic. Tools like ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...

The Texas Instruments CC1101 is a very versatile, high quality and cheap transceiver, supporting a wide range of frequencies and modulations. Ready-to-use CC1101 modules are as cheap as 5.00€ and at ...

- Many water sensors are active LOW or active HIGH depending on wiring. Set SENSOR_ACTIVE_STATE accordingly. - Built for Arduino core for ESP32 (use recent esp32 board package).

Abstract: In this paper, we describe a smart fitness tracker that helps count exercises like push-ups, squats, and jumps automatically. The system uses an ESP32 controller and an MPU6050 (IMU sensor) ...