CRYPTOiNK uses a TP4056 Charger to charge a 6000mAh Lipo Battery. Built into the Charger is a Low Voltage, Over Voltage, and Over Current Protection Circuit.
Because the Ilpo battery does not provide a constant voltage and ranges from 3.4 - 4.2V, a MT3608 DC/DC Boost Module to provide a consistent Voltage for the Waveshare Driver board to regulate down to a 3.3V that is used by the ESP8266 and Eink Display.
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