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 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 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 MSA301 layout

ESP32 and MSA301 accelerometer example

In this article we look at the MSA301 accelerometer, I originally bought this in the UK and was looking at this for connecting to...

LIS3DSH accelerometer sensor and an ESP32

In this example we connect a LIS3DSH sensor to an ESP32. The LIS3DSH is an ultra-low-power high-performance three-axis linear accelerometer belonging to the “nano” family with...

bpi:bit and scroll:bit display examples

In a previous article we looked at the scroll:bit, this is an add on from Pimoroni which contains a lot of LEDs, in fact...

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...
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...

LPS25H piezoresistive pressure sensor and ESP32 example

In this article we look at another pressure sensor - this time its the LPS25H and as usual we will connect it up to...

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 I2C LCD example

In this example we will interface to an I2C LCD using our ESP32. Now these I2C LCD's consist of 2 parts usually an HD44780 16×2...

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...