Doit DT-06 User Manual page 7

®
DOIT.AM
Functions of button and LED
Num.
1
2
3
Importantly, when downloaded the firmware, please firstly press SW1 button, and then press SW2
button, and at last loose the button to finish the download. (Refer to the ESP-M2 module)
Num
1
2
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SW2
1
Fig. 2.1 TTL-WiFi Interface definition
Table 2.1 Functions of button and LED
Type
LED connected to VCC3.3 by a pull up resitance, and other is
LED
connected to GPIO4
Connected to GPIO0 to coordinate with SW2 button to download
SW1
the firmware.
SW2 Connect to RST, to coordinate with SW1 to download the firmware
Table 2.2 LED definition
LED
indicator
Always Successfully connect to the wireless router when WiFi module is at
lighting STA or STA+AP mode
Lighting Level for IO switches once each 1s; if works at AP mode, it shows that
slowly the WiFi module unsuccessfully connected to the wireless WiFi router;
User Manual for TTL-WiFi DT-06
ESP‐M2
16
TTL‐WiFi
SW1
2 3 4 5 6
Function illustration
Function
Page 6