Hackaday (unofficial) October 27, 2021 3:00am Simple Electronic Hacks Inspire Doing More With Less #classichacks #mischacks #blinkingled #diode #diodehacks #electronicshack #ledhack #lm7805 #opamphack #opamp #salvaged #salvagedelectronics #voltageregulator #hackaday posted by pod_feeder_v2 Simple Electronic Hacks Inspire Doing More With Less It’s late at night. The solder smoke keeps getting in your tired eyes, but your project is nearly done. The main circuit is powered by your 13.8 V bench supply, but part of the circuit needs …