Contetns
eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020
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2.2.
POWER
Figure 5. Input Power, Power LED
2.2.1.
Input Power
Inputs from the power source enter power through Pin 5 and 6 in the Arduino Headpin Interface (JA1). Pin 2(IREF)
requires the Level Shift (U3) to be supplied as a pin for V5 power.
2.2.2.
Power LED (LED1)
LED1 illuminates when an external power supply of 5V is applied and 3.3V is output normally via a circuit on the
board.
