Button Cell Charger Module
Description
***Button Cell Charger*** A simple button cell charger consisting of a TP4056 Module, some Nickel Plated Strip and a 3d printed housing (optional extra 3d surround to cover wiring)... Charging Lithium-Ion Button Cells should be current limited to 20mA or lower. In this project you need to replaced the current limit resistor with a 56k ohms on the TP4056, to provide 20mA charging... Total cost under 1$
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