Digital Electronics Tutorial

Limiting current through an LED | Digital electronics (2 of 10)

Powering our LED circuit | Digital electronics (3 of 10)

Connecting to a mystery signal | Digital electronics (4 of 10)

Troubleshooting: Investigating why the LED is so dim (5 of 10)

How a transistor amplifies current | Digital electronics (6 of 10)

The transistor as a current controlled switch | Digital electronics (7 of 10)

Using a transistor to solve our problem | Digital electronics (8 of 10)

Inverting the signal with a transistor | Digital electronics (9 of 10)

Comparing the buffer and inverter circuits | Digital electronics (10 of 10)