Hackaday (unofficial) June 21, 2024 4:00pm See Them Knocking with a Doorbell Alert #homehacks #555timer #556timer #9v #doorbell #led #hackaday posted by pod_feeder_v2 See Them Knocking With A Doorbell Alert Picture it: you’re on the treadmill, running through a forest, sweating like a pig, and the doorbell rings because a package is being delivered. Would you even hear it? Chances are, if you…
