Arduino USB powered Zener diode tester
Without clear markings zener diodes are masters in keeping their voltage values a secret. But not for long! Today We're building a USB-powered tester for zener diodes up to 70V (or more..) to reveal their secrets.
All you need is an Arduino, a OLED display and 9 more components.
Arduino code, schematic & PCB:
https://drive.google.com/uc?export=do...
Boost converter tutorial:
• Arduino 5V to 12V Boost Converter