Quiz
Closed book is optional. The stop lines are not. Explanations show after you check.
Infrared
1 / 4
The ~38 kHz figure on a TV remote is primarily:
A–D or 1–4 to pick · Enter to check
Closed book is optional. The stop lines are not. Explanations show after you check.
Infrared
1 / 4
A–D or 1–4 to pick · Enter to check