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$11.89
Raspberry pi 4 Model B aluminum case, with Fan Heatsink
PI4-ALU-Black-CASE-G
CM4-FAN-3007
Raspberry Pi Compute Module 4 CM4 3007 Cooling Fan Low Noise 5V/12V power PWM adjustable
Modbus-RTU-Relay-16CH
Modbus RTU 16-Channel Industrial Relay Module with RS485 Interface and Rail-Mounted Enclosure
PAJ7620U2-Gesture-Sensor
PAJ7620U2 Gesture Sensor, Recognises up to 9 gestures