1. VoltageInput voltage : 3.3-5.5V Power consumption Normal mode : 50 mA Power saving mode : 30 mA 2. TemperatureOperating temperature -40 [deg.] Cto + 85 [deg.] C
Storage Temperature -55 ° C to + 100 ° C 3. Pin descriptions and electrical connectionsModule pin
1 | VCC | Power input pin 3.3-5.5V | 2 | GND | Power ground | 3 | RXD | Module serial port to receive the foot - then MCU serial TXD sent | 4 | TXD | Module serial port pin - connected microcontroller serial RXD received | 5 | PPS | Clock pulse output pin |
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