Sequent’s $28-and-up “PiRelay 8” add-on for the Raspberry Pi supplies 8x relays with photo-coupling isolation for controlling devices on a load of 250V AC/7A or 30V DC/10A. There is also an optional 4.3-inch HDMI touchscreen. Whereas Sequent Microsystems earlier relay add-ons for the Raspberry Pi — the Raspberry Pi 8-Relay Card and line-switching 4-Relay — […]
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