This circuit takes a further step in the world of remote controlled toy cars and recreational land rovers by incorporating the Dual-Tone Multi-Frequency (DTMF) signals for the control system. This ...
DTMF (Dual Tone Multi Frequency) is a signaling system for identifying the keys or better say the number dialed on a pushbutton or DTMF keypad. DTMF (Dual Tone Multi Frequency) is a signaling system ...
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