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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
MIC: 4 analog microphones
CH340G board
10 mpa > 10 l/min
5V 1-Channel Relay interface board and each one needs 15-20mA Driver Current
MOTORB reverse engine
Buzzer for Arduino (Passive and Active ) Size:Active MIC: 4 analog microphonesA buzzer or beeper is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers and confirmation of user input such as a mouse click or keystroke. Buzzer is an integrated structure of electronic transducers, DC power supply, widely used in computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and other
US$ 39.00
US$ 39.00
US$ 39.00
US$ 40.00
US$ 39.00
US$ 39.00
