LED Twinkle Project
Project Specifics-to Design a self contained device with LED light that is button-activated to switch between the following operating modes: Off Brightest Intermediate Brightness Least Bright Flashing @ 2 Hz
Constraints: 1.Run on single battery up to 9 V 2.Electronics connected to a single PCB (can be single- or double-sided) 3.Cannot weight more than 1 lb 4.Cannot have a single dimension > 6 in 5.Cannot cost more than $50 to duplicate unit 6.Battery must be easily replaceable