Make sure that all parts came in good shape and no apparent damage is done on the way. Flash Terminal software to Wemos D1 board just to make sure it works.
2
Solder Wemos D1 module - headers to module first
Solder headers to the Wemos D1 module. Long part of the header should be directed to the motherboard. Make sure to align them right, use motherboard as an aligning tool. When soldered it will be tightly pressed against battery socket.
Start with just one pin each side and double check your work. Then you can proceed to other pins.
3
Solder Wemos D1 module - motherboard side
Solder headers to the motherboard from the back side.
4
Assemble screen
Assemble 4 brass rings on the screen. Use 4 M2 screws.
5
Screw screen to the motherboard and solder it in place
Use remaining 4 M2 screws to connect screen to the motherboard firmly. Make sure the screen is well aligned.
Double check screen alignment and solder screen in place.
6
Solder Serial connector
Solder in 4-pin Serial connector
7
Flash firmware
Open firmware in the Platofrmio IDE. Run [Upload Filesystem Image] firstThen [Upload] task
8
Configure WiFi
When ESP restarts it will configure AP point named ESPXXXXXX. Connect to it using your phone and you will be redirected to WiFi captive portal, where you can provide WiFi network credentials. After that Terminal will connect to known WiFi automatically
9
Configure Terminal
Go to http://ESP-XXXXXX page to configure UART settings and enter terminal. Alternatively you can check what IP address on the screen or router logs or using debug output on UART1
(Alternatively) Please use TCP terminal via telnet on 23 default port: telnet 192.168.4.1
10
Connect to target and start communication
Connect target device using provided header and you should be able to sent and receive using both described methods
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