Order your pcb design at jlcpcb for $2 (24 hours turnaround time). This is the most complex or detailed soldering I've done so far, the QFN20 package is very small but still not impossible to solder ...

The main function of the ATtiny is acting as a battery friendly low power co-processor for the ESP. A bit like the ULP low power co-processor of the ESP32, except with a lot more IO functions and ...

Abstract: Cattle rustling has become a threat and a major crime in Nigeria recently. To minimize this, there is a need to ensure cattle safety and provide substantial security when rearing cattle both ...

If you need to drive a big screen for a project, it’s fair to say your first thought isn’t going to be to use the ATtiny85.

No matter the item on my list of childhood occupational dreams, one constant ran throughout: I saw myself using an ...

Power adapter for Dell laptops contains IC to determine adapter capabilities (watts, voltage, current). If you connect an unoriginal adapter, the laptop refuses to charge the battery. This project ...