Documentation Center
5-24V DC and Battery Connector
Figure 4 shows the polarity of 5-24 V DC input and battery connector V+ (VBAT) and V- (GND).
Figure 4: 5-24V DC and Battery connector pins
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NOTE
The voltage of the battery must not exceed 4.3 V.
LEDs
Three LEDs are used to indicate the operating status. Below are the functions of the LEDs:
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Red LED - Connected to the charger chip to indicate the charger status. When the battery is charging, this
red LED is on. When the battery is full, this LED is weak light or off.
Green LED - Connected to the MCU module, controlled by MCU defined by the user.
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Blue LED - Connected to the MCU module, controlled by MCU defined by the user.
RESET Push Button
The Reset Push Button shown in
is connected to the MCU module. When pushed, it resets the MCU.
Pin Definition
The RAK19016 module has a 40-pin WisConnector that is compatible with the WisBlock Power Slot. The pin order
of the connector and the pinout definition is shown in Figure 5.
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NOTE
VBAT, 3V3, RESET, LED1, LED2, ADC_VBAT, and GND have connected to WisBlock 40-pin connector.
