Gm328 Transistor Tester Schematic. When transistor tester is powered. It turns out the transistor tester is an open source.
When you have received the transistor tester component package. When transistor tester is powered. I have received the kkmoon gm328 transistor tester kit as a present.
Support identification pin for test element.
So let s assemble it. The test button grounds the base of the 9012 through a 9014 which sort of kickstarts the circuit by applying power to the 7550 5v ldo regulator which powers up the lcd and atmega328p. When transistor tester is powered. As a bonus i also programmed tetris for it.