SG Wireless SGW2828-EVK, User Manual, Page: 7 / 15

USGA6.01-V1.0 SGW2828-EVK Evaluation Kit User Manual
SG Wireless™ Confidential 5
d. Power
The SGW2828-EVK can be powered through two
sources:
1.
SGW2828-EVK USB connector (USB1)
2. External power supply from header J7.4 (tar-
get application with Arduino UNO system)
With the power key (Switch 1) ON, the red LED
(LED1) will turn on. 5V DC will be regulated to
3.3V through LDO (U1) and supplied to the digital
circuitry of the EVK.
e. Reset and User-defined Buttons
The SGW2828-EVK has two on-board buttons
–
the reset button (SW2) and user-defined button
(SW3) .
1.
The reset button (SW2) is connected to the
RESET pin of the SGW2828 LoRa Module.
2. The user-defined button (SW3) is connected to
the PA0/ADC0 of the SGW2828 LoRa Module.
f. Configurable LEDs
There are two green LEDs on the SGW2828-EVK.
The user inputs AT commands to control LED2/
LED3. It is necessary to short
J9 and J10 during LED
operations.
Figure 5: SGW2828-EVK Power Supply
Figure 6: SGW2828-EVK Reset Button
Figure 7: SGW2828-EVK User-defined Button
Figure 8: SGW2828-EVK LEDs