Hi-Link HLK-RM04 - Pins and Interface; Dimensions Unit; Module Pin Interface

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Picture2.Dimensions Unit:mm
2.2.2 Pins and Interface
The Pin of this product as shown above is defined as follows：
Table2-2 module pin interface
No. Function Direction Explaination
1 VCC5V A
Supply Voltage, 5V+/-10%
2 GND GND
Analogue Ground
3 WIFILED O
WLAN Activity LED
4 VO3.3 I
3.3V Output (Suuport Atmost 300mA)
5 LINK1 I/O
10/100 PHY Port #1 activity LED
6
N/A
Reserved
7
N/A
Reserved
8
GPIO0
General GPIO Reserved
9
GPIO1
General GPIO Reserved
10 ES/RST
I/O
Exit transparent transmission mode/Restore
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