NE555 Pulse Generator Timer Module, Single Channel

NE555 Pulse Generator Timer Module, Single Channel

Marsoni

M251S

$45.00

Get it in 3 business days with 1 day shipping. Friday, May 29

NE555 Pulse Generator Timer Module, Single ChannelA single channel signal output, the output is approximately fifty percent duty cycle square wave. Onboard adjustable resistance, adjusting the output frequency can be controlled resistance. On board power indicator. Onboard chip NE555A single channel output, square wave pulse generator module based on the ubiquitous NE555 timer IC. The module can be powered from a wide power supply range (4. 5 to 12V) and will produce a continuous square wave output

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I absolutely love my Timex Ironman watches. I have had many over a very long period of time. Wonderful set of functions for the price. Very affordable. Easy to use. Lasts a long time. Very easy to read in standard lighting. I like the Indiglo when needed, but do not use it too often. Absolutely love the ability to set a repeat timer to remind me to do something at a fixed interval, or to keep me on task for a fixed period of time. Great to be able to set three independent alarms. Potential to capture a huge number of splits with the stopwatch. I purchased this watch to replace a similar model with a dead battery. I have replaced batteries in the past, but it is quicker and easier to buy a replacement watch. I am saving my old watches for that day in the future when the Ironman model may no longer be available. I expect this will be my watch of choice for the rest of my life.

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Reviewed in the United States on May 21, 2026

Verified Purchase

E-Dub

Charlottesville, US

★★★★★ 5

Just fine if you have simple needs...

Color: Black/Digital/Black/Green

Exactly what I needed: a cheap, durable wrist watch. The only thing it was lacking were instructions, but about 5 minutes of messing with the buttons got it set up

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Reviewed in the United States on May 19, 2026

Verified Purchase

S S.

Battle Creek, US

★★★★★ 5

Nice watch

Color: Black/Digital/Black/Green

Good watch

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Reviewed in the United States on April 30, 2026