Sparkfun 555 Timer

Sparkfun ElectronicsSKU: RB-Spa-1873
Manufacturer #: COM-16473

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Sale price $1.12
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  • 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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