UPS HAT for Raspberry Pi 4B/3B+/3B Battery holder low quiescent current (see the

low quiescent current (see the quiescent current graph below for more details)

ARM Cortex M4F (with HW floating point acceleration) running at 64MHz

Make sure you time out in your receive routine

33 ms Encoder Input Low Voltage Max 800 mV DC Encoder Input High Voltage Min 2

but the serial output readings are not precise and should be used as a basic guide rather than lab-grade data plots

UPS HAT for Raspberry Pi 4B/3B+/3B Battery holder low quiescent current (see theDFRobot Raspberry Pi UPS HAT is an uninterruptable power supply shield for Raspberry Pi . It can provide steady power source to Raspberry Pi for an extended period of time when the system is powered off, by which to avoid system damage and ensure safe shutdown. In addition, the product could be used to supply stable power for some applications requiring mobility such as Raspberry Pi camera , tablet PC, field data collection system. A MAX17043 fuel