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RPI RELAIS 8CH: Raspberry Pi - relay module, 8 channel, DIN rail, HLS8L-DC5V-S-C at reichelt elektronik
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2-relay module 5V with optocoupler low-level trigger compatible with Arduino and Raspberry Pi – AZ-Delivery
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Amazon.com: waveshare Pi Expansion Board Power Relay Board Module Kit for Raspberry Pi 4B/3B+/3A+/3B/2B/B+/A+ CM3/3+,Remote Control Make Home Appliances Intelligent : Electronics
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