MH ET LIVE ESP32 MINI KIT and DHT Pro shield example

In this example we connect the DHT22 Single Bus Digital Temperature Humidity Sensor (DHT Pro shield) to our Wemos Mini , you can see this...

ESP32 and MMA7455 accelerometer example

The MMA7455 accelerometer is a sensor that can measure acceleration in three axes. This sensor is commonly available as a breakout board that you...

Using a ESP32 with a BMP388 barometric pressure sensor

In this article we look at another sensor - it is a BMP388 by Bosch Sensortec, so lets crack on and try this out...

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 BME680 sensor example

In this article we will connect a BME680 sensor to an ESP32 - in this case its a Lolin32 from Wemos BME680 is an integrated...

Publishing messages to MQTT topic using an ESP32

In this example we will connect to an MQTT topic, I used a Wemos Lolin32 - you can use any ESP32 development board We used...

ESP32 and DS18B20 temperature sensor example

The DS18B20 is a  temperature sensor that can be used in various simple projects.  This part uses the 1 wire (I2C) bus and you can...

LOLIN D32 Pro and Barometric Pressure Shield example

In this article we connect a HP303B Barometic shield to a LOLIN D32 Pro, using the new board you can connect them using a...

ESP32 and CCS811 gas sensor example

In this example we will connect a CCS811 gas sensor to an ESP32, first of all lets look at the sensor The CCS811 is a...

ESP32 and Bargraph display example

The bar graph is basically a series of LEDs in a line, this is a common hardware display for analog sensors. It's made up...
ESP32 and PCT2075

PCT2075 temperature-to-digital converter and ESP32 board example

In this example we connect a PCT2075 temperature-to-digital converter to an ESP32 First lets look at some information about the sensor from the manufacturer The PCT2075...

enviro:bit TCS3472 sensor and bpi:bit Arduino code example

In this example we look at the enviro:bit which is an add on from pimoroni which has a BME280 temperature, pressure, and humidity sensor...