Wemos Mini and L3GD20 sensor
The L3GD20 is a low-power three-axis angular rate sensor. This is the module I bought for reference
More information can be found at http://www.st.com/content/st_com/en/products/mems-and-sensors/gyroscopes/l3gd20.html about the...
BME680 environment sensor and ESP8266 example
In this article we will connect a BME680 sensor to an ESP8266 - as usual we will use a Wemos Mini
BME680 is an integrated...
ESP8266 and MLX90393 magnetic field sensor example
The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...
ESP8266 and DS18b20 sensor readings displayed on a web server
In this example we will connect a Wemos compatible DS18B20 shield to a Wemos Mini and display a page on a web server. This...
ESP8266 and a BH1745NUC Luminance and Colour Sensor
In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to a Wemos Mini
First of all lets take a...
ESP8266 SHT30 shield I2C code example
This example uses the same Wemos SHt30 shield or one of the variants on the internet but tis time we don't use a library,...
ESP8266 Micropython I2C Scanner
This is a simple very short code example in which we show how to create a basic I2CScanner in Micropython using the uPyCraft IDE...
ESP8266 and Ambient light Shield example
This was another new shield for the Wemos called the Ambient light Shield , this time its based around the BH1750FVI digital Ambient Light Sensor
Lets...
Using a STTS22H temperature sensor with an ESP8266
In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board
Sensor Information
The STTS22H is...
ESP8266 and LPS22HB absolute pressure sensor example
In this article we look at another absolute pressure sensor - this time its the LPS22HB
Once again lets look at this sensor from the...
PCT2075 temperature-to-digital converter and ESP8266 example using the Arduino IDE
In this article we look at a PCT2075 temperature-to-digital converter and we will connect it to a Wemos Mini
First lets look at the sensor
The...
ESP8266 and LM75 temperature sensor example
The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...
Wemos buzzer shield example
In this example we look at another Wemos mini shield, this time its the buzzer_shield which as its name suggests is a basic buzzer....
TMP102 digital sensor and ESP8266 example
In this article we look at the TMP102 digital sensor and we will connect it up to an ESP8266
The TMP102 device is a digital...
Wemos and DS3231 RTC example
The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.
The device incorporates a battery...
BH1750FVI Ambient Light Sensor example
The BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light...