A minimalist 1.5V coin cell led tree with all components and power source confined within a mini breadboard. This is a holiday project targeting the 2017 December HackaDay coin cell challenge.The objective is to employ a 1.5V button cell to drive microcontroller based holiday led display.A minimalist design with all components and power source confined within a mini breadboard.A joule thief circuit is used to step up the voltage from the 1.5V button cell to power the microcontrollers and leds.”

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