BPI:bit and on board light-dependent resistors example

In this article we look at the 2 LDRs  which are fitted to the BPI:bit If you do not know what an LDR is ,...

BPI:bit and MPU-9250 Nine-Axis example using the Arduino IDE

In this article we look the MPU-9250 Nine-Axis (Gyro + Accelerometer + Compass) MEMS MotionTracking™ Device which is fitted to the BPI:bit The sensor uses...

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...

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 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...