ESP32 and vibration sensor module

In this example we connect a vibration motor module to an ESP32 - as usual we use a Lolin32. This is the type of...

ESP32 and ADXL345 sensor example

The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted...

ESP32 and ML8511 sensor example

The ML8511 measures the amount of ultra violet rays contained in sunlight, and it is used for the equipment which displays the suntan by...

MH ET LIVE ESP32 MINI KIT and OLED shield example

In this example we look at another terrific little low cost shield for the Wemos mini, this time its the OLED shield. In this...

VL53L0X Time-of-Flight sensor and ESP32

The VL53L0X is a new generation Time-of-Flight (ToF) laser-ranging module housed in the smallest package on the market today, providing accurate distance measurement whatever...

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 Max7219 8×8 LED matrix example

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph...

ESP32 and 4051 LED example

The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer...

ESP32 and HDC1080 humidity and temperature sensor

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...

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 tsl2591 layout

ESP32 and TSL2591 light-to-digital converter example using the Arduino IDE

In this article we look at the the TSL2591 which is a light-to-digital converter. We will have the usual information about the sensor, parts...

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...