N1KDO "naught" timer

ID timer for amateur radio. Does not actually get you on the "naught", but does indicate that you need to ID every 10 minutes

Similar projects worth following
Push the button with a short press to start the timer. The Green LED lights. After 9 minutes, the Red LED starts flashing slowly. After 9 minutes, 45 seconds, the red LED starts flashing fast. After 10 minutes, the red LED lights continuously. Press the button with a short press to restart the timer. Hold the button down for 1 second to stop the timer and turn off the green LED. Uses PIC12F675. Contact Jeff for source.
  • 1 × PIC16F675 microcotnroller
  • 1 × 78L05 Power Management ICs / Linear Voltage Regulators and LDO
  • 1 × green LED T1 1/4 LED
  • 1 × red LED T 1 1/4 LED
  • 1 × pushbutton Normally open pushbutton

View all 11 components

Enjoy this project?



Similar Projects

Does this project spark your interest?

Become a member to follow this project and never miss any updates