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2. Module interface
2.1. Leds
D1
D2
Table 2.1 LED functions
Name
Color
Description
D1
Green
On: Initialize successful, working in normal
Off：Initialize failed, or standby mode
Flashing (Short/short/short): Firmware update mode
Flashing (Short/long/short): Illegal firmware version
D2
Red
Flashing: Data transmission (test failed in MFG mode)
On：Wi-Fi is connected
Off：Wi-Fi disconnected
2.2. Pinouts
EMW3280has two groups of pins (1X15 +1X15). The lead pitch is 2mm.
EMW3280’s pinout is shown in the Figure 2.1. Table 2.2 lists the pin functions.
Figure2.1 EMW3280: appearance and pinout
! ! EMW3280 Wi-Fi module
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