Make sure that you use an actual version of the Arduino core for your processor ... Wiring of the components does not correspond with the pins defined in the software. You are using resources (pins, ...

Bryn Reynolds, VAT expert at Pinsent Masons, was commenting on the Court of Appeal’s ruling concerning the VAT treatment for a food product called Mega Marshmallows, sold by Innovative Bites. Mega ...

Be aware that the 16 bits interface actually writes 2 times 8 pins. Furthermore some additional functions are implemented that are playful and useful. The PCF8575 has an interrupt output line (INT) to ...