A timer-controlled doorbell device has been developed using two 555 timer ICs in monostable mode, combined with a relay ...

This is the LED 'J' Sequencer, a project I built for my uncle's birthday! It features 20 LEDs arranged to form the letter 'J', which light up in sequence. The "brains" are a trusty 555 timer and two ...

Knowing past Wordle answers can help with today's game. Here's the full list so far.

Maybe you have to fit the circuit within a square-inch, power it only with a coin cell, or use the antiquated and nearly useless 555 timer IC. (Yes, that was a joke!) ...

The thermistor is placed in a closed room (or oven). A relay is connected to the output of the 555 timer, which activates a heater when it is On. The relay is activated when the temperature is below a ...

This week, we announced the winners for the previous Pet Hacks contest and rang in our new contest: The One Hertz Challenge. So that’s got me in a contesty mood, and I thought I’d share a ...

Some Guam Education Board members on Tuesday night demanded a full review after former teacher Miles Reyes Washington, accused of child sexual abuse in 2018, was able to keep his ...

MIDLAND, Texas-- (BUSINESS WIRE)--Jun 12, 2025--New Era Helium Advances Hyperscaler Discussions and Prepares for Board Expansion to Accelerate AI Infrastructure Strategy in the Permian Basin ...

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Max Imagination has published the making of a DIY spherical robot that moves by rolling inside a transparent plastic ball. It’s meant to entertain pets, explore tight spaces, and be driven via ...