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: Using relays to control higher-voltage lamps or appliances. Where to Find More

: The 18 projects scale in difficulty, starting from simple LED blinking to more complex builds like a web server or an ultrasonic range sensor . : Using relays to control higher-voltage lamps or appliances

While the PDF is often mirrored on sites like GitHub or Scribd, the most up-to-date and interactive versions of these projects are hosted directly on the . : Using relays to control higher-voltage lamps or appliances