This custom Wi-Fi router works off-grid with Starlink and can control my solar power station. Here's how I went about it.

A Raspberry Pi can do a lot, but adding an ESP32 gives it the physical reach that small hardware projects often need.

Most conventional analog watches have two or three hands, covering hours, minutes, and seconds (where present). [Sahko] has ...

Abstract: The cold chain industry faces challenges in maintaining the quality of frozen and temperature-sensitive products during storage and transport due to temperature fluctuations, power outages, ...