If you're interested in buying a tester, search eBay for "2019 TFT GM328 Transistor Tester" or use the link below.
Help support my channel by using the affiliate link below to buy the Component tester on eBay.
https://rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_from%3DR40%26_trksid%3Dm570.l1313%26_nkw%3DTFT%2BGM328%2BTransistor%2BTester%26_sacat%3D0&campid=5338538977&toolid=20008
PDF manual for tester:
https://drive.google.com/open?id=1KmiXQuLdSBBDubBcgM9OqOi1RH0yn3dn
Music: Say Yeah - Topher Mohr and Alex Elena: https://youtu.be/-wiUIs9I9EM
- Schematix -