Sparkfun 555 Timer

★★★★☆ 4.0 129 reviews

$1.22
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$1.22
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Free shipping Free 30-day returns

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Product details

Management number 234964360 Release Date 2026/07/02 List Price $0.49 Model Number 234964360
Category
  • Sparkfun 555 Timer
  • Offers timing from microseconds to hours
  • Provides astable or monostable operation
  • Features adjustable duty cycle
  • TTL-Compatible output can sink or source up to 200 mA

The Sparkfun 555 Timer is a common 555 timer/oscillator from Texas Instruments. A classic for all of those first-year circuits projects where you need to blink an LED, generate tone, and thousands of other great beginning projects. Google around for a huge list of resources and example projects.

This timer can be used for several applications as Fingerprint- and Iris-Biometrics or an RFID-Reader.


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4 out of 5
★★★★☆
129 ratings | 53 reviews
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