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)...

Lolin32 and 2.4 TFT LCD Touch Screen shield example

In this article we look at the Lolin 32 to a 2.4“ inch 320×240 TFT LCD Touch Screen shield. This is the shield which we...

ESP32 and ISL29125 RGB color light sensor

In this example we look at the ISL29125 RED, GREEN and BLUE color light sensor Here is some info about the sensor The ISL29125 is a low power,...

ESP32 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...

ESP32 and OLED display example

This example uses an OLED display these typically come in a couple of different sizes 128x32 and 128x64, this particular example will use the...

AM2320 temperature and humidity sensor and ESP32 example

Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity...

A look at B4R and ESP32 development

B4R is a development tool that I had not heard of before until today, it is from the makers of basic4Android a development tool...

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...

MH ET LIVE ESP32 MINI KIT and DS18b20 shield examples

The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points....

enviro:bit BME280 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...

ESP32 and MAX44009 ambient light sensor example

The MAX44009 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and...

ESP32 and SHT11 digital humidity sensor example

The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...