Dec 11, 2019

Wifi Display (ESP8266 STM32F103C8T6 P4.75)


This Display will receive text from PC or phone through wifi. It can work as access point or station. Access point means you can connect to the display directly without wifi router, while station requires wifi router between PC/phone and the display. The display has 4 lines, you can write on every line or clear all the display depending on the first byte you send before the text. If you send 0x01 (byte), it will clear 1st line and then you can send the text, maximum 10 characters per line. The display will ignore the text you send if more than 10 characters per line. Send 0x02 (byte) for 2nd line, 0x03 (byte) for 3rd line, and 0x04 (byte) for 4th line. If you want to clear all the display, then send 0x00 (byte).









Connect to DaoLink AP, password mypassword2019 and send the data.
You can use Putty or Hercules for PC. TCP UDP Terminal apps for Android.
For custom function, you can build TCP client software using VB or other language. Android TCP client can be build using Android Studio.

TCP UDP Terminal application link:
https://play.google.com/store/apps/details?id=nextprototypes.tcpudpterminal&hl=en_US
Hercules software link:
https://www.hw-group.com/software/hercules-setup-utility

The wiring of the modules as the following:
ESP8266 - STM32 Blue Pill
VCC     - 3.3V
GND     - GND
TX      - RX USART2 PA3
RX      - TX USART2 PA2
CH_PD   - 3.3V

STM32   - P4.75 Display
PA5     - CLK
PA7     - R1
PA0     - OE
PA1     - LAT
PA8     - A
PA9     - B
PA10    - C
PA11    - D



Don't forget to wire R1 at header JOUT to R2 at header JIN on LED display because it work as double 64x16 display to became single 64x32 display.

Get the hex code here: WifiTerminal.

Wifi Display (ESP8266 STM32F103C8T6 P4.75)

This Display will receive text from PC or phone through wifi. It can work as access point or station. Access point means you can connect ...