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Wireless Relay kit (4 channels-12V) is a perfect remote switch for those hobbyists with home automation DIY projects or business Industrial electrical
UART TTL socket
the addressed output follows the D input and all other outputs are LOW
Jaw Diameter: Φ30
● Echo signal : output TTL PWL signal
Raspberry Pi Heat Sink 2016 Wireless Relay kit (4 channels-12V)Introduction : Raspberry pi 4 Heat Sink Blue color Features : 1. The pure aluminum heat sinks include adhesive thermal tape for efficient thermal transfer to the heat sink providing additional cooling to the IC. 2. The heat sink have profiles which are short enough to fit within standard Raspberry Pi cases. 3. The heat sink can be applied in other devices such as the BeagleBone to cool processor, regulators, etc. 4. Used for Raspberry Pi 4 model B. 5.