Wearable and Smart Watch Archives • DIY Projects

Wearable and Smart Watch

Get Started ESP32

ESP32 Digital I/O

Get Started I2C

ESP32 I2C Scanner

Common I2C breakout addresses

ESP32 Deep-Sleep

ESP32 External interrupts

ESP32 Timers and Alarms

ESP32 Wi-Fi connexion

ESP32 WiFi Manager

Assign Fixed IP

SPIFFS file system

Sketch Data Upload

FTP file access

Store Data on SD Card

Get Stated ESP8266

Which ESP8266 to choose ?

How to program with Arduino IDE

How to connect to wifi network

Web Client (Communication)

Web Server (interface)

ESP8266 Deep Sleep

Store Data on SD Card

Sensors Projets

BH1750 · light

BMP180 · temp + hum

BME280 · barometer

CCS811 · eC02 + TVOC

DHT22 · temp + hum

DS18B20 · temperature

DSM501 · Air Quality

GP2Y0A02YK0F · IAQ

HC-SR04 · distance

INA219 · current

KY-040 · potentiometer

MQxxx · gas & pollutants

VL53L0X · distance

T-Watch Projects

Which T-Watch to choose?

Get Started

Getting started with the LiLyGoWatch library

Version Constants

Expansion boards Constants

Platformio.ini file example

Auto turn off the screen

Activate Light Sleep

Learn TFT_eSPI+ LVGL

Get started with TFT_eSPI

Menu · Page · Navigation

Display XBM images

Convert to XBM with GIMP

Convert to C File with LVGL

Projects

TFT_eSPI + LVGL

Boards

T-Watch and T-Block pinout

T-Watch 2020 pinout

Buy T-Watch extension

😺 GitHub repo

Learn C++

C++ String Functions

Maj • Min • Trim

print • println

printf • printf options

sprintf • snprintf (ESPx)

Receive commands on the serial port

Code with PlatformIO

Install PIO on VSCode (any OS)

Platformio.ini tips

Common problems and solutions

Migrate Arduino code project

Get started with the lilygoatch library for Lilygo TTGO T-Watch watches. Example code with ide arduino platformio

Wearable and Smart Watch

T-Watch. Create first ESP32 project with the LilyGoWatch library (Arduino IDE or PlatformIO)

12 November 2020 No Comments

ttgo t-watch esp32 deep sleep wakeup bma423 axp202 no freertos

Wearable and Smart Watch

T-Watch. Simplified code for shutdown and wake-up with BMA423 or AXP202 of the ESP32

27 November 2020 No Comments

ttgo t-wacth tft-espi menu page screen navigation exampe esp32 arduino code

Wearable and Smart Watch

T-Watch. Menu, pages, navigation between screens with TFT_eSPI

25 November 2020 No Comments

$ttgo esp32 t-watch mandelbrot julia fractals project$

Wearable and Smart Watch

T-Watch. Draw Mandelbrot or Julia fractals with an ESP32 and LVGL + TFT_eSPI

23 November 2020 1 Comment

Get started with the TFT_eSPI library adapted to the screens of #ESP32 #TTGO @lilygo9 T-Watch. How to display text, shapes, detect pressing on the touch screen. Source code compatible #Arduino and @PlatformIO_Org

Wearable and Smart Watch

T-Watch. Getting started with the TFT_eSPI library. Display text, shapes, touch detection

16 November 2020 2 Comments

ttgo lilygo t-watch 2020 gpio specification axp202

Wearable and Smart Watch

T-Watch 2020. ESP32 TTGO smart watch pinout and specifications

9 November 2020 1 Comment

ttgo lilygo t-watch touch gpio expansion boards axp202

Wearable and Smart Watch

T-Watch and T-Block. ESP32 Core PCB and expansion boards pinout

10 November 2020 No Comments

lilygo TTGO T-Watch ESP32. Which model to choose? Available expansion boards

Wearable and Smart Watch

TTGO T-Watch ESP32. Which model to choose? Available expansion boards

11 November 2020 1 Comment

ttgo t-watch esp32 deep sleep wakeup bma423 axp202

Wearable and Smart Watch

T-Watch. Sleep and wake-up ESP32 with BMA423 accelerometer or AXP202 button

26 November 2020 No Comments

display image xbm cpluplus esp32 ttgo t-watch arduino lvgl tft_espi

Beginner

T-Watch. Display XBM (TFT_eSPI) and C++ (LVGL) images. ESP32, Arduino compatible

23 November 2020 1 Comment

ttgo lilygo t-watch lvgl tft_epis esp32 project together

Wearable and Smart Watch

T-Watch. Mix the LVGL and TFT_eSPI libraries in the same ESP32 project

20 November 2020 1 Comment