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...
ESP8266 and PCT2075 layout

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...
ESP8266 and VEML7700 layout

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...