The circuit is suitable for small power supplies, op-amp circuits, analogue electronics experiments, and various DIY projects ...

Would you like to have a small digital oscilloscope? Do you have a spare BlackPill (STM32F401) board and a TFT display laying around? [tvvlad1234] presents us with a simple and educational digital ...

Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, ...

If you want to get your hands dirty on a semi-evil electronics project, this DIY EMP generator is fun—if not a little dangerous—build to try. It won’t fry much, except at extreme short range, so you ...