ESP8266 and GY-21P module example
This module combines a BMP280 sensor and an SI7021 sensor. The on-board BMP280+SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as...
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...
Wemos and LM35 temperature sensor
In this example we will connect an LM35 temperature sensor to our Arduino
The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is...
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...
Wemos and Max6675 example
In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter
The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple....
Wemos and ADS1015 example
The ADS1015 is a precision analog-to-digital converters (ADCs) with 12 bits of resolution offered in an ultra-small, leadless QFN-10 package or an MSOP-10 package. The...
ESP8266 and BMI160 sensor example
The BMI160 is a small, low power, low noise 16-bit inertial measurement unit designed for use in mobile applications like augmented reality or indoor...
SHT20 temperature and humidity sensor and ESP8266
The SHT2x series consists of a low-cost version with the SHT20 humidity sensor. the SHT2x provides calibrated, linearized sensor signals in digital, I2C format....
ESP8266 and L9110 fan module example
In this example we connect an ESp8266 to a dual L9110 fan module. This is a commonly found, basic low cost module which consists...
Wemos and TMP36 example
The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius...
VEML7700 lux sensor and ESP8266 example using the Arduino IDE
In this article we look at a ambient light digital 16-bit resolution sensor - this time its an VEML7700. As per usual we will...
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...
ESP8266 and Si7021 temperature sensor example
The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, ...
ADS1115 analog-to-digital converter and ESP8266
The ADS1115 device is a precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in an ultra-small, leadless, X2QFN-10 package, and a VSSOP-10 package. The...
Wemos and Barometric Pressure Shield example
In this article we look at a relatively new shield for the Wemos/Lolin products - this is a Barometric Pressure shield based on a HP303B. Here...
ESP8266 and bme280 temperature sensor example
The BME280 is a great new chip which was originally designed for the next generation of smartphones. It is made up of a very...






