ESP32 and BMP180 sensor example
This bmp180 from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. The sensor is soldered onto a PCB with...
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...
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...
A look at B4R and ESP32 development
B4R is a development tool that I had not heard of before until today, it is from the makers of basic4Android a development tool...
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...
Random colours on the WS2812b led ring
This was a WS2812b led ring that I purchased for low cost. There are 12 LEDs in total on this and once you solder...
ESP32 and MS5611 barometric pressure sensor example
This barometric pressure sensor is optimized for altimeters and variometers with an altitude resolution of 10 cm. The sensor module includes a high linearity...
ESP32 and FreeRTOS example create a task
In this example, I will show you how to apply FreeRTOS in Arduino ESP32. Arduino ESP32 is built over FreeRTOS and actually the main...
ESP32 and MMA8451 accelerometer example
The MMA8451 is a low-power accelerometer with 14 bits of resolution, with the following features:
Embedded functions with flexible user-programmable options, configurable to two interrupt...
ESP32 and CCS811 gas sensor example
In this example we will connect a CCS811 gas sensor to an ESP32, first of all lets look at the sensor
The CCS811 is a...
B4R and ESP32 MCP9808 digital temperature sensor example
MCP9808 digital temperature sensor example
The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital word with ±0.5°C (max.) accuracy. The...
ESP32 and LM75 temperature sensor example
The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...