Specifications
Hardware Specifications
[FLASH]QSPI flash 4MB /16MB
[SRAM]520 kB SRAM
[Button]Reset
[USB to TTL]4MB CP2104 or CH9102F (Currently only compatible with Windows because of the Mac system updates , uploading programs with the MAC system isnot supported)
[Modular interface]UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、ADC、DACLNApre-amplifier
[Working voltage]2.7V-4.2V
[Working current]About 67MA
[Sleep current]About 350uA
[Working temperature range]-40℃ ~ +85℃
[Size&Weight]51.52*25.04*8.54mm(7.81g)
Power Supply Specifications
[Power Supply]USB 5V/1A
[Charging current]500mA
[Battery]3.7V lithium battery
[JST Connector]2Pin 1.25mm
Wi-Fi
[Standard]FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC（esp32 chip）
[Protocol]802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval
[Frequency range]2.4GHz~2.5GHz(2400M~2483.5M)
[Transmit Power]22dBm
[Communication distance]300m
Bluetooth
[Protocol]Meet bluetooth v4.2BR/EDR and BLE standard
[Radio frequency]With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
[Audio frequency]CVSD&SBC audio frequency
Software specification
[Wi-Fi Mode]Station/SoftAP/SoftAP+Station/P2P
[Security mechanism]WPA/WPA2/WPA2-Enterprise/WPS
[Encryption Type]AES/RSA/ECC/SHA
[Firmware upgrade]UART download/OTA（Through network/host to download and write firmware）
[Software Development]Support cloud server development /SDK for user firmware development
[Networking protocol]IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT
[User Configuration] AT + Instruction set, cloud server, android/iOSapp
[OS] FreeRTOS
Shipping List
1* TTGO T-Display（4MB CP2104 Chip）
1* Charging Cable
2* Pin
Pinout
Arduino
Install Board Manager
Install the board manager for ESP32. Click Arduino → preferences and add the url for the ESP32 board manager.
ESP32 Board Manager URL: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
Install the ESP32 board by selecting Tools → Board Manager and inputing esp32. Install the latest version.
Install the T-Display Libraries
Code https://github.com/Xinyuan-LilyGO/TTGO-T-Display
git clone https://github.com/Xinyuan-LilyGO/TTGO-T-Display.git cd TTGO-T-Display cp -R TFT_eSPI ~/Documents/Arduino/libraries/.
Select Board
Select the development board ESP32 Dev Module, select Disable in the PSRAM option, select 4-16MB in the Flash Size option, Other keep the default
Color Picker Example
| Project | https://www.youtube.com/watch?v=0P5OyN8uz-o |
|---|---|
| Code | https://github.com/VolosR/ColorPickerTTGO/blob/main/colorPicker.ino |
| Display |
|
#include <TFT_eSPI.h>
#include "orbitron20.h"
TFT_eSPI tft = TFT_eSPI(); // Create object "tft"
TFT_eSprite img = TFT_eSprite(&tft);
#define gray 0x94B2
const int pwmFreq = 5000;
const int pwmResolution = 8;
const int pwmLedChannelTFT = 0;
int brightnes=80;
uint16_t color2=TFT_WHITE;
uint16_t color1=TFT_BLACK;
void setup() {
pinMode(35,INPUT_PULLUP);
pinMode(12,INPUT_PULLUP);
pinMode(27,INPUT_PULLUP);
pinMode(26,INPUT_PULLUP);
pinMode(0,INPUT_PULLUP);
tft.init();
tft.fillScreen(TFT_WHITE);
tft.setRotation(1);
img.setFreeFont(&Orbitron_Medium_18);
img.setTextColor(color1,color2);
img.createSprite(240, 135);
ledcSetup(pwmLedChannelTFT, pwmFreq, pwmResolution);
ledcAttachPin(TFT_BL, pwmLedChannelTFT);
ledcWrite(pwmLedChannelTFT, brightnes);
}
void loop() {
drawS();
}
void drawS()
{
img.setTextColor(color1,color2);
img.fillSprite(color2);
int r=map(analogRead(2),4095,0,0,255);
int g=map(analogRead(15),4095,0,0,255);
int b=map(analogRead(13),4095,0,0,255);
img.drawRect(4,24,132,20,gray);
img.drawRect(4,68,132,20,gray);
img.drawRect(4,112,132,20,gray);
img.drawString("RED: "+String(r),6,0);
img.fillRect(6,26,r/2,16,TFT_RED);
img.drawString("GREEN: "+String(g),6,44);
img.fillRect(6,70,g/2,16,TFT_GREEN);
img.drawString("BLUE: "+String(b),6,88);
img.fillRect(6,114,b/2,16,TFT_BLUE);
if(digitalRead(26)==0)
{
brightnes=map(analogRead(13),4095,0,0,255);
ledcWrite(pwmLedChannelTFT, brightnes);
}
uint16_t chosen=tft.color565(r, g, b);
img.drawString("COLOR",148,0);
img.drawString("0x"+String(chosen,HEX),148,90,4);
img.drawString("BRIGHT: "+String(brightnes),148,118,2);
img.fillRect(148,24,80,62,chosen);
img.drawRect(146,22,84,66,gray);
if(digitalRead(12)==0)
color1=chosen;
if(digitalRead(27)==0)
color2=chosen;
if(digitalRead(0)==0)
{ color1=TFT_BLACK; color2=TFT_WHITE;}
if(digitalRead(35)==0)
{
img.fillScreen(color2);
img.drawString("text:0x"+String(color1,HEX),6,10,4);
img.drawString("back:0x"+String(color2,HEX),6,30,4);
img.drawString("select:0x:"+String(chosen,HEX),6,50,4);
}
img.pushSprite(0,0);
}
References
| Reference | URL |
|---|---|
| Datasheet | https://github.com/Xinyuan-LilyGO/T-Display-S3/blob/main/doc/esp32-s3_datasheet_en.pdf |
| Reference Manual | https://github.com/Xinyuan-LilyGO/T-Display-S3/blob/main/doc/esp32-s3_technical_reference_manual_en.pdf |
| New sketches for TTGO T-Display (FREE) | https://www.youtube.com/watch?v=Th4IdigA6xE |