555 Timer

The blinkie for nostalgic geeks, this blinkie is based on the 555 integrated circuit (chip). The 555 will be 50 years old in 2021! As of 2003, it was estimated that 1 billion units were manufactured every year. The 555 is the most popular integrated circuit ever manufactured

555 Blinkie Kit

• Uses a LMC555 IC (low voltage version)
• has 2 LEDs.
• set to blinkie the LEDs at 1.524Hz (link to web based calculator
  • C = 4.7uf
  • R1 = 1K
  • R2 = 100K

Resources

• Assembly Instructions [PDF}