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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...
pin assignments of the webduino:bit
In this article we look at the all important pinouts and GPIO assignments of the webduino:bit (bpi:bit)
GPIO pin assignments
The I/O pins that are used...
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...
A look at an ESP32 based micro:bit board – the webduino:bit
In this article I will look at a new board (for me anyway) called the webduino:bit or bpi:bit. We'll call it the webduino:bit, that...
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...