MCU

More than 80 tutorials and projects to start and master the Arduino, ESP32, ESP01 and ESP8266 microcontrollers.

Get Started ESP32

ESP32 Pinout

ESP32 Digital I/O

Get Started I2C

ESP32 I2C Scanner

Common I2C breakout addresses

Add I2C I/O

ESP32 Deep-Sleep

ESP32 External interrupts

ESP32 Timers and Alarms

ESP32 Wi-Fi connexion

Store Data on SD Card

RTC memory

Get Stated ESP8266

Which ESP8266 to choose ?

ESP8266 pinout

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

DS18B20 · temperature

KY-040 · potentiometer

MHZ19 · CO₂

MQxxx · gas & pollutants

VL53L0X · distance

YL-69 · soil

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

Draw Fractals

Boards

T-Watch and T-Block pinout

T-Watch 2020 pinout

Buy a T-Watch

Buy T-Watch extension

Learn C++

printf • printf options

sprintf • snprintf (ESPx)

write (buffer)

Macro F

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

Beginner

Publish the CO2 concentration of an MH-Z19 sensor to Domoticz, Arduino code compatible ESP32 / ESP8266

18 January 2018 No Comments

Websocket

WebSocket communication with an ESP8266 or Arduino in Python. Test with the ws4py library on Raspberry Pi

19 January 2018 3 Comments

ESP8266

Test Adafruit Huzzah ESP8266, firmware upgrade NodeMCU

2 January 2017 No Comments

NodeMCU Build modules frightanic esp8266

Get started ESP8266

Nodemcu-build: Firmware NodeMCU ESP8266 custom (Frightanic)

4 January 2017 No Comments

Get started ESP8266

ArduinoOTA: Wireless Update (OTA) from the Arduino IDE of ESP8266 Programs

30 August 2017 1 Comment

esptool flash firmware macos esp8266 update

Get started ESP8266

Esptoo. Update ESP8266 NodeMCU firmware on macOS

9 January 2017 4 Comments

Actuators

Unpacking the Geekcreit PCA9685 I2C Shield 16 Servos + 2 DC motors for Arduino or ESPDuino (ESP8266)

10 January 2018 2 Comments

Sensors

Test of the SHT30 shield for LoLin d1 mini, temperature and humidity in I2C (ESP8266)

19 April 2017 6 Comments

Get started ESP8266

ESP8266. How to use with the Arduino IDE: Libraries, GPIO, Web Server, Web Client

27 December 2017 8 Comments

ESP8266

ESP8266 (Web Server – Part 4): ArduinoJson, load, save files (SPIFFS)

13 March 2017 3 Comments

ESP8266 DHT22 BMP180 wemos Shield Relay jeedom ESP8266HTTPCLIENT_

Web Server (Communication + Interface)

Driving the ESP8266 GPIO (Web Server) from Jeedom to TCP / IP Wireless – Part 2

14 April 2017 No Comments

Web Client (Communication)

ESP8266 (Web Client): Sending Data to Jeedom in TCP / IP Wireless (JSON API) – Part 1

7 April 2017 No Comments

ESP8266

ESP8266 (Web Server – Part 2): Interaction between Arduino code and HTML interface

27 February 2017 2 Comments

ESP8266

ESP8266 (Web Server – Part 5): how to use Google Charts to display gauges and charts

20 March 2017 11 Comments

Web Server (Communication + Interface)

ESP8266, retrieve time from a time server (NTP), elapsed time since last Reset, store time in SPIFFS [Update]

28 June 2017 3 Comments

ESP8266

ESP Easy: How to add OLED SSD1306 display to an IoT ESP8266 project

10 November 2016 8 Comments

MCU

Publish the CO2 concentration of an MH-Z19 sensor to Domoticz, Arduino code compatible ESP32 / ESP8266

WebSocket communication with an ESP8266 or Arduino in Python. Test with the ws4py library on Raspberry Pi

Test Adafruit Huzzah ESP8266, firmware upgrade NodeMCU

Nodemcu-build: Firmware NodeMCU ESP8266 custom (Frightanic)

ArduinoOTA: Wireless Update (OTA) from the Arduino IDE of ESP8266 Programs

Esptoo. Update ESP8266 NodeMCU firmware on macOS

Unpacking the Geekcreit PCA9685 I2C Shield 16 Servos + 2 DC motors for Arduino or ESPDuino (ESP8266)

Test of the SHT30 shield for LoLin d1 mini, temperature and humidity in I2C (ESP8266)

ESP8266. How to use with the Arduino IDE: Libraries, GPIO, Web Server, Web Client

ESP8266 (Web Server – Part 4): ArduinoJson, load, save files (SPIFFS)

Driving the ESP8266 GPIO (Web Server) from Jeedom to TCP / IP Wireless – Part 2

ESP8266 (Web Client): Sending Data to Jeedom in TCP / IP Wireless (JSON API) – Part 1

ESP8266 (Web Server – Part 2): Interaction between Arduino code and HTML interface

ESP8266 (Web Server – Part 5): how to use Google Charts to display gauges and charts

ESP8266, retrieve time from a time server (NTP), elapsed time since last Reset, store time in SPIFFS [Update]

ESP Easy: How to add OLED SSD1306 display to an IoT ESP8266 project

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