The Wemos OLED shield uses a 64×48 pixel monochrome OLED display that connects to the Wemos D1 Mini via pins D1 and D2, which double up as the I2C serial data and clock. It makes use of the Adafruit SSD1306 library for Arduino, so it is very easy to program. We will cover all of the necessary setup in this article, so let’s get into it!Working sketch for wemos d1 mini pro v2 and sht30 shield: esphome: name: out_tempfeuchtdruck platform: ESP8266 board: d1_mini_pro wifi: ssid: "paste in your wlan name here" password: "wlan password" manual_ip: # Set this to the IP of the ESP static_ip: 192.168.1.xx # put in the ip of your wemos # Set this to the IP address of the router.I’ve mostly followed the Getting Started in Arduino guide in Wemos.cc in this tutorial, and people who prefer Lua/NodeMCU will want to check NodeMCU guide instead. There are various ways to configure the Arduino IDE for WeMos D1 mini in the guide, but I’ve only used the recommended way: git. The first step was to install and run Arduino 1.6.8.
WeMos D1 (esp8266): i2c shield to manage encoder, multiple buttons, and LEDs For fast prototyping, I will create a set of shields for the WeMos D1 mini; the first is a service board with integrated pcf8574 IC, an encoder, and five other pins to use as input or output.
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Configure Board ¶. After install hardware package, you will see LOLIN D1 boards in the Tools→Board:xxx Choose your right board.Wemos D1/R1/ESP8266 UART communication. I have a specific question about using UART communication with Wemos D1 R1. I have an Ultrasonic distance sensor which works well with Arduino Mega/ UNO etc. It is based on serial receive. The problem is I never had success using such boards with ESP based boards like WemosD1R1, ESP8266 generic, etc.ESP8266 Arduino core comes with libraries to communicate over WiFi using TCP and UDP, set up HTTP, mDNS, SSDP, and DNS servers, do OTA updates, use a file system in flash memory, work with SD cards, servos, SPI and I2C peripherals. Contents. Installing options: Using Boards Manager; Using git version; Using PlatformIO; Building with make Wemos is an Arduino, even if not officially recognised by Arduino Corp, but that's the role it's fulfilling. Think "AVR-Arduino" and "ESP-Arduino". Of the two, the ESP is by far the more capable in 95%+ of applications, and does not need an AVR in the same circuit. The ESP is impoverished in terms of pins, but more can be added through i2c, and 6FIR.
