The D1 Mini has an ESP8266 at its core, which means that it can do many of the things an Arduino board can do (analog input, digital input, I2C, etc.), but it can also handle WiFi communication. The WiFi communication enables the D1 Mini to act as a local server and so much more. ESP8266 and BMP280 sensor example. BMP280 is an absolute barometric pressure sensor especially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small dimensions and its low power consumption allow for the implementation in battery powered devices such as mobile phones, GPS modules or watches.
The system based on WEMOS D1 mini and TinyGPS shield. The data transmission to the web server is carried out by a gateway with WLAN already installed in the vehicle. Optionally, the system also works with an LTE mobile router. The GPS data (latitude, longitude) are continuously transmitted to the server. (adjustable in the Arduino program
Copy all files in your arduino examples directory: (usually C:\Program Files (x86)\Arduino\examples) 6. open arduino IDE, select file - examples - D1 mini examples - basics - blink 7. under tools, select your wemos board and the right com port (this is the usb port you are using, usually only one option will be available)
Wemos and MCP3008 example. The Microchip MCP3008 ADC is a 10-bit Analog to Digital (A/D) converter with on-board sample and hold circuitry. Communication with the device is accomplished using a simple serial interface compatible with the SPI protocol. The MCP3008 operates over a broad voltage range (2.7V – 5.5V), and low-current design
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    • wemos d1 mini i2c example