Pin description of this GPS receiver circuit:
Vcc: DC power input point from 3 to 6 volts.
GND: Ground terminal of power supply.
TX: This is the serial interface of this card. It transmits data serially which gives information about location, speed, time, etc.
RX: It is also a serial interface to receive data serially. This interface is required when we want to configure GPS receiver module.
We can divide this circuitry into below parts:
- LNA (Low Noise Amplifier): It amplifies the weak received signal from satellites.