Manual

ROBOT . HEAD to TOE

Product User’s Manual – LC04A

5. GETTING STARTED

Pins are labeled as transmitter and receiver. These are relative to the board. For example,

LC04A used to step down 5V from microcontroller to 3.3V of GPS module. The board needs

to be powered from the two voltages sources (high voltages and low voltage). High voltage

(5V) is connect to HV pin and low voltage (3.3V) is connect to LV. The ‘-’ pin of LC04A

is connect to GND of microcontroller and GPS module. Since GPS module is using UART

communication, Tx and Rx pin of microcontroller system and GPS module is used. Below is

an example connection between LC04A, GPS module and microcontroller system.

3.3V GPS module LC04A 5V Microcontroller System

3.3V Tx pin LT1 ---------- HT1 5V Rx pin

3.3V Rx pin LR1 ---------- HR1 5V Tx pin

LC04A is breadboard friendly. User may solder header pin at left and right side of LC04A

and plug in it on breadboard. Figure below is an example LC04A with header pin.