In this example we look at how to connect an IR Reciever. Generally, they require Vcc(5v) but I found this to work well with 3v3, GND and there is a data out which you connect to your Arduino. Here is a typical IR showing the pinout. Many electronic shops online stock breakouts for these but of course […] Configuration. Please use ttgo-t7-v14-mini32 ID for board option in “platformio.ini” (Project Configuration File): You can override default TTGO T7 V1.4 Mini32 settings per build environment using board_*** option, where *** is a JSON object path from board manifest ttgo-t7-v14-mini32.json. For example, board_build.mcu, board_build.f_cpu, etc. Configuration. Please use esp32doit-espduino ID for board option in “platformio.ini” (Project Configuration File): [env:esp32doit-espduino] platform = espressif32 board = esp32doit-espduino. You can override default DOIT ESPduino32 settings per build environment using board_*** option, where *** is a JSON object path from board manifest Learn how to wire the Current Sensor to Wemos D1 Mini in a few simple steps. The primary components for this circuit are: Wemos D1 Mini and ACS712. Drag and drop these components onto the canvas, and instantly get a list of secondary parts, wiring instructions and a test code for your circuit. Is the Wemos D1 R1 a 5V board, or 3.3V? If it's a 3.3V board, that's your problem. Get a 3.3V relay. (From a little digging it looks like the Wemos is a 3.3V device. If so, that is your problem. Those "digital relays" are available in 5V and 3.3V models. Replace your 5V relay with a 3.3V relay.) I have a few "macro keypads" hooked to my Home Assistant using ESPHome. These consist of a Wemos D1 Mini clone, 8 keyboard buttons, and 8 NeoPixels. The Wemos S2 Mini comes with a Type-C USB port for easy connectivity to a computer or power source, as well as 4MB of Flash and 2MB of PSRAM for storing data. It also features 27 digital I/O pins, an ADC, DAC, I2C, SPI, UART, and USB OTG, making it compatible with a wide range of sensors and devices. In addition, the Wemos S2 Mini is compatible December 2021 by Patrick Blom. In this project we’ll build a DIY Multi sensor which can recognize motion and measures the current temperature / humidity in the room. The brain of the sensor will be a D1 Mini (esp8266) which uses the tasmota firmware to collect all the data, hooks into your local WIFI and send them to Home Assistant. From terminal execute: pip3 install tasmotizer. and then simply run tasmotizer.py (to find tasmotizer.py on MacOS you can use: find / -name tasmotizer.py) Connect your ESP8266 device to your computer either: Directly via the USB port on the device – as with the D1 mini or NodeMCU. Or using Serial-to-USB adapter and connecting: 5x Set. Price: £11.00. Tax included. Quantity: Add to cart. ️ This D1 Mini Board offers the complete range of performance and functionality of the ESP32 chip in a very small space. ️ The ESP board is the further development D1 Mini with the ESP8266 chip. The pin arrangement offers compatibility with the modules developed for the D1 Mini Dnj87My.