Want to make your own led candles but worry how to make them flicker like real candles? This little board will get you out of trouble. Just connect your led and battery and your led start to flick right away. It works in voltage range 2.6V to 4.5V. PCB size is 16mm x 16mm. Price is 2$ for 10 little boards without shipping. Time to make your own safe candles.
LED Candle Light Processor IC – Flicker - [Link]