esp32 technical reference manual
http://www.getmicros.net/wp-content/uploads/2018/01/esp32_technical_reference_manual_en_0.pdf
A basic ESP32 Web server example
In this example we will create a basic web server with an ESP32, we will then serve a we page with an on and...
Adding support for ESP32 boards in the Arduino IDE
This is the github instructions, I have been looking at the ESP32 module
My ESP Arduino installation is located at J:esp on my PC but other...
HC-SR505 Mini PIR Motion Sensor and Arduino
The HC-SR505 Mini PIR Motion Sensor is based on infrared technology and it can automatic control by itself with high sensitivity and high reliability....
Arduino and MMA8653 accelerometer example
The NXP® MMA8653FC 10-bit accelerometer has industry leading performance in a small DFN package. Packed with embedded functions that include:
Flexible user-programmable options and two...
Arduino and HS1011 humidity sensor example
The HS1101 humidity sensor is a cost-effective solution for measuring relative humidity within ±5% accuracy. The sensor’s design is based on a unique capacitive...
Generate a QR code with an Arduino
In this example we will show how to generate a QR code, all of the hard graft is done in a library
Code
Install https://github.com/ricmoo/QRCode
This is the...
B4R Arduino TM1637 7 segment display example
A few of the code examples and projects on this site use modules containing the Tm1638 driver chip, I was interested in this one...
B4R Arduino and BH1750 Ambient Light Sensor example
BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light data...
B4R Arduino and ADXL335 accelerometer example
The ADXL335 is a small, thin, low power, complete 3-axis accelerometer with signal conditioned voltage outputs. The product measures acceleration with a minimum full-scale...