BH1745NUC Luminance and Colour Sensor and Wemos Lolin32 example

In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to an Wemos Lolin32 The BH1745NUC is digital color sensor...

ESP32 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...

ESP32 and RGB led example

In this example we will connect an RGB led to our Wemos MIni, lets look at RGB leds first RGB LEDs consist of one red,...

ESP32 and CCS811 gas sensor data to Thingspeak example

In this example we connect a CCS811 gas sensor to an ESP32 and then we will upload the data to Thingspeak The CCS811 is a...

ESP32 and TCS34725 Color Sensor

The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...

ESP32 and BMP085 example

This sensor is obsolete now and has been replaced by newer ones but if you still have them lying about then this is how...

ESP32 Network Time Protocol example

Sometimes it is useful in any logging or displaying data to have a reasonably accurate time, by adding the NTPClient library you can do...

ESP32 and basic TEA5767 example

The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and demodulation. The radio...

ESP32 and MLX90614 infrared thermometer example

The MLX90614 is a non-contact infrared thermometer with a measurement range from -70 to +380 degree Celsius. Just connect the four leads to your...

ESP32 and MPU-9250 sensor example

The MPU-9250 is the company’s second generation 9-axis Motion Processing Unit™ for smartphones, tablets, wearable sensors, and other consumer markets. The MPU-9250, delivered in...

ESP32 and Si7021 temperature sensor example

The  Si7021  I2C Humidity  and  Temperature  Sensor  is  a  monolithic  CMOS  IC integrating   humidity   and   temperature   sensor   elements,  ...

ESP32 and HMC5983 magnetometer example

The Honeywell HMC5983 is a temperature compensated three-axis integrated circuit magnetometer. This surface-mount, multi-chip module is designed for low-field magnetic sensing for applications such...