Testing

Pasives, transistors crystal resonators soldered
Pasives, transistors and crystal resonators soldered.
Leds, leds and more leds... Leds, leds and more leds... Leds, leds and more leds...
Leds, leds and more leds...
Sensors and sockets semiconductors, 7-segment display
Sensors and sockets, semiconductors, 7-segment display.