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Electronic component tester expansion board
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Rev A
Rev B
LICENSE
README.md

README.md

Electronic component tester expansion board

This is PCB expansion board for one of many variants of cheap electronic component testers (see picture).
Schematic Rev A
Schematic Rev B
BOM Rev B

Full front

Features

  • LiPO battery replaces 9V battery.
  • 1 cell LiPO charger with microUSB connector.
  • Adjustable low battery voltage indicator.

Rev B

  • Removed direct power passthrough from microUSB to MCU over ICSP connector (don't work as expected).
  • Changed low battery voltage indicator voltage set resistors values.
  • Changed some silkscreen text and position.

Board pictures

PCB front PCB back Board Full side

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