Low Power Flasher v2.0
author: KO4XL
2 layer board of 0.94 x 0.50 inches (23.9 x 12.8 mm)
Uploaded:
May 17, 2020
Shared:
May 17, 2020
Total Price:
$2.35
Uses an ATTiny13a in ultra-low-power mode to provide a light that flashes every few seconds. Good for find-in-the-dark, power-on-reminder, etc.
Version 2 adds ground jumper pads on remaining I/O pins so that they can be used as option inputs.
The source code is available on Github at: https://github.com/bratoff/Low-Power-Flasher
PARTS LIST
C1 - 1uf monolithic 50v
R1 - 1K 1/8 watt
R2 - 10K 1/8 watt
U1 - ATTiny13a microcontroller (see above for firmware)
LED1 - 5mm LED (any color)
Uses an ATTiny13a in ultra-low-power mode to provide a light that flashes every few seconds. Good for find-in-the-dark, power-on-reminder, etc.
Version 2 adds ground jumper pads on remaining I/O pins so that they can be used as option inputs.
The source code is available on Github at: https://github.com/bratoff/Low-Power-Flasher
PARTS LIST
C1 - 1uf monolithic 50v
R1 - 1K 1/8 watt
R2 - 10K 1/8 watt
U1 - ATTiny13a microcontroller (see above for firmware)
LED1 - 5mm LED (any color)