2021-01-07 06:16 AM
2021-01-07 06:45 AM
This is not a CMOS 4050 as it has 16pin and I do not believe it could be an LM339. but , who knows, check the pinout of the LM339 with the pcb, pin3 (Vcc) and 12 (GND) are the firsts to test.
2021-01-07 06:45 AM
This is not a CMOS 4050 as it has 16pin and I do not believe it could be an LM339. but , who knows, check the pinout of the LM339 with the pcb, pin3 (Vcc) and 12 (GND) are the firsts to test.