He used a 555 timer that outputs a clock to the LEDs on the biz card, and placing a nine-volt battery on the terminals sets off the mini light show. See for yourself in the video below.

A simple 555 timer board drives a relay to toggle the IO pins on and off, ... 32 thoughts on “ Fighting Machine Tool Chatter With A 555 Timer ” Matt says: October 6, 2017 at 7:18 pm ...

555 timer 73 Articles . ... While the electrical aspects of the project are fairly simple (not even requiring a circuit board), the mechanical parts are much more sophisticated.

The 555 timer IC has been reinvented—again. Signetics introduced the enormously popular chip back in 1971, and it quickly became a big hit. Myriad application circuits have used it throughout ...

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

Use the 555 as a one-shot that mysteriously latches up and never works if power is applied gradually. Use a 555 timer in a battery-powered product as a voltage sensor since the frequency varies with ...

A 555 timer integrated circuit on a blue circuit board The 555 timer is a versatile integrated circuit (IC) that can control timing in electronic circuits. It's one of the most widely used ICs due ...

The new SX8122 analog timer offers the best-in-class battery life via its intrinsic 0.9 V operation, without the need for an external boost converter and inductor, saving board space and cost.

Find the IoT board you’ve been searching for using this interactive solution space to help you visualize the product selection process and showcase important trade-off decisions. ... 10 comments on “ ...