Electronic Characteristics
Test Conditions
Min
Typical
Max
Unit
Operating Voltage
4.75
5
7
V
Operating Current
VCC=+5V, Brightness is 100%
-
85
mA
SLEEP Mode
15
Power supply recommend:5V, 500mA, DC
Working Environment & Reliability Parameter
Working Temperature
5V, Humidity 60%
-20
25
70
℃
Storage Temperature
-30
Working Humidity
25℃
10%
60%
90%
RH
Interfaces Performance
Serial Port Baudrate
Standard
2400
9600
115200
bps
Output High Voltage
IOH=-1mA
3.0
3.2
Output low Voltage
IOL=1mA
0.1
0.2
Input High Voltage
2.0
3.3
5.0
Input low Voltage
-0.7
0.0
1.3
Serial Port Mode
TTL
Serial Port
4Pin_2.54mm
USB interface
NO
SD card socket
Yes (FAT32 format), support maximum 32G Micro SD Card
Memory Features
Memory Type
FLASH Memory
Store fonts and images
4
MB
RAM Memory
Store variables
3584
BYTE
Product Dimension