ESP32 + OLED in a 3D printed DIN case polling a Shelly EM on the LAN, no Home Assistant: watts, voltage, kWh history, siren, web UI.
LED panel showing live household watts read from Home Assistant, 3 colour thresholds, buzzer alarm, web UI and OTA.
Monitor, inspect, and safely control the power-management functions of an i. MX 8M Plus system using the NXP PCA9450C over I²C.
Halloween is near, so grab your Arduino, make an EMF detector and play with it.
Learn how to build a globally-available power outage detector with Twilio and a Cellular Notecard from Blues Wireless.
Power management for portable Arduino projects.
A compact W5500 PoE Ethernet module that simplifies wired networking and power integration for embedded systems.
A simple module to keep power banks from turning off, when your DIY circuit draws low currents.
A setup to power a Raspberry Pi along with a USB Hub to power upto 4 external USB Hard Disk Drives for a home theater system.
Designed for Industry 4.0, but suitable for smart home too. Features WiFi control, current measuring, PWM, soft start / stop and safety.
A long-lasting inexpensive battery bank that never needs to be plugged in.
A portable power supply for your lab bench.
Attach your solar inverter to the cloud and send your family alerts when they are using too much power (Warning, they wont like it).
Designing a powerful digital AC dimmer using an STM32.
A smart power strip to monitor current and smart power cutoff.
An AC load controller to periodically turn on/off any AC load.
Are you looking for a board, that can be used to control strong DC motors as well as highspeed brushless motors? Here you've found it.
This project is a "from scratch" DC regulated benchtop power supply intended to be used by an electronics hobbyist.
This is the simplest amplifier works on the principle of band pass filter and no external power supply is needed.
The Mini UPS for WiFi Router is a compact, low-cost tool that keeps your router powered during outages.
A simple demo.
A basic project for understanding the ohms law and its implications in the electronic field.
The CHPC is a minimal cost heat pump (HP) controller.
WIZnet W5100S + Raspberry Pi Pico + PoE It's a board that I developed. I'm introducing it again because I'm using it for so many projects.
