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HD Capacitive microphone
effectively reduce noise
convenient for photographers to flexibly illuminate
76inch * 10
battery overcharge
Waveshare RPi Relay Board, RPi Relay Board Option:RPi Relay Board HD Capacitive microphoneOverview The RPi Relay Board gives your Pi the ability to control high voltage high current devices, easily makes normal home appliances become intelligent. RPi Relay Board Features 1. Supports Raspberry Pi A+ B+ 2B 3B 3B+ 2. High quality relays, loads up to 5A 250V AC or 5A 30V DC 3. Photo coupling isolation, prevent interference from high voltage circuit 4. Onboard LEDs for indicating relays status 5. Relay control jumper, allows to control the