ESP32 True random number generator example

The ESP32 contains a hardware random number generator, values from it can be obtained using esp_random(). When Wi-Fi or Bluetooth are enabled, numbers returned by...

ESP32 built in hall effect sensor example

One feature of the ESP32 that sometimes goes unnoticed is the built in hall effect sensor. Lets look at a hall effect sensor and how...

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...

HDC2080 humidity and temperature sensor connected to a ESP32

In this article we look at yet another humidity and temperature sensor from TI - this time its the HDC2080 which we will connect...

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 PCF8563 RTC module example

The PCF8563 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector...

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 MMA8452 accelerometer example

In this example we will connect a MMA8452Q accelerometer  to an ESP32 - in this case Lets look at the sensor The MMA8452Q is a smart, low-power, three-axis,...

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...

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...