| This EasterEgg antenna mod transforms a mini donut antenna into a magnetic broadband loop with improved gain and directivity. Using a simple...
| This EasterEgg antenna mod transforms a mini donut antenna into a magnetic broadband loop with improved gain and directivity. Using a simple...
| This compact through-hole PSU design features two independently adjustable LM317-based regulated outputs, supporting both EI30 and EI42 main...
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...