The passive buzzer on the control boardThe sound is mainly produced by controlling the high and low pulse signals. The sound frequency is controllable. Different frequencies will produce different ton
LOTO arbitrary waveform generator SIG82 simulates the output of relay energization and disconnection signal waveforms for algorithm debuggingThe current change process when the relay is energized is a
Spring is bright and beautiful, with bright sunshine everywhere, colorful flowers everywhere, melodious birdsong and insect chirping everywhere, and intoxicating fragrance everywhere. This is a green