Elecrow CrowPanel-CM4 Display User Manual page 3

Interface
Screen Backlight Control Key
LoRa
LoRa
GPIO
GPIO
GND
IO10
IO22
3V3
Relay
Relay
CM2
C2
O2
DO
DO&DI
D1
D2
GD
3V3
CAN&RS485
CAN RS485
CL
&ADC
CH
GD
A+
A-
GD
ADC
Note: The acrylic case needs to be purchased separately
WiFi
Sleep/Wake
WiFi
CAM2
CM1
C1
O1
DI
I1
I2
GD
5V
A1
B1
GD
A2
B2
GD
RS232 UART
RS232 UART ETH
GPS
GPS
CAM1
ETH HDMI HP USB-A
HDMI HP USB-A
2
LTE
Power Indicator
LTE
User Indicator
PWR
USER
ACT
Active Indicator
Nano SIM Card
Slot
SIM
TF Card Slot
TF
Power Switch
OFF
ON
DC 12~36V
DC 12-36V