Salvaging 18650 li-ion cells from dead battery pack of a laptop.
Broken LED bulb repaired.
I have completed a XR2206 function generator kit build.
Happy New Year 2023.
I have completed my build of Jay_Diddy_B’s 5 Transistor ESR Meter.
I just got a new power supply.
Transferring the digital clock circuit to a perfboard and putting it into an enclosure.
Sleep mode and Schmitt trigger on multiplexed analog buttons. Also, now the clock is powered by 18650 Li-ion cell.
Broken OLED color screen on Quicko T12-952 now replaced with generic 128x64 I²C monochrome OLED.
Broken OLED color screen on Quicko T12-952 can be replaced with generic 128x32 I²C monochrome OLED.