Self-powered Wireless/Radio Switch Module Arduino - DFRobot
Price: $ 36.50
4.5(666)
This self-powered wireless switch from DFRobot can send signals wirelessly without installing a battery. It is suitable for making wireless doorbells, pagers, food ordering devices, wall switches, etc.
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Offers wireless signal, wiring-free. Provides RF signal and strong penetration. Features one million sets of random address codes. Onboard 4-position DIP switch, adjustable 15 states. No battery needed, maintenance-free. The Self-Powered Wireless Switch (433Mhz) sends signals wirelessly without installing a battery. The switch is composed of a micro-generator and a 433Mhz radio frequency circuit.
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