PCA9685 LED controller and ESP32 example

In this example we connect a PCA9685 LED controller to an ESP32 The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA)...
esp32 and SHT35 layout

SHT35 humidity sensor and ESP32 board example

In this article we look at the SHT35 humidity sensor, this is very similar to the SHT30 and SHT31 sensors in the same family...

ESP32 and SHT31 sensor example

SHT31 is the next generation of Sensirion’s temperature and humidity sensors. It builds on a new CMOSens® sensor chip that is at the heart of...

ESP32 and DS1624 sensor example

The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor. The nonvolatile memory is made up of...

MH ET LIVE ESP32 MINI KIT and BMP180 shield example

OK this is another wemos type shield that can easily be connected to a MH ET LIVE ESP32 MINI KIT, in this case this...

MLX90615 infrared thermometer and ESP32 example

The MLX90615 is a miniature infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are...

BPI-Bit RGB led matrix test

In this article we take a quick look at the 25 RGB led matrix which is on the BPI-Bit, we will try out a...

ESP32 and AM2302 sensor example

AM2302 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature...

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This sensor is obsolete now and has been replaced by newer ones but if you still have them lying about then this is how...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 and WS2812b RGB led example

WS2812 is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. It...

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...

BMM150 digital geomagnetic sensor and ESP32 example

In this article we look at a digital geomagnetic sensor - this time its the BMM150 and as usual we will connect it to...