Eight digital outputs act as the parallel interface. When a byte is received over serial, the individual bits are set on the individual digital lines connected to the printer’s parallel port.

Instead of using a computer to alter the code running on the Arduino, they have implemented a real-time code interpreter using a Teensy 2.0.

Another difference between the Rev3 and R4 WiFi is the number of their serial ports and I2C buses. The Rev3 has a single serial connection, shared by the USB port and the RX/TX pins.

Developers, makers and hobbyists looking for a mini PC that is a Arduino compatible might be interested in the newly launched pcDuino3 Nano which is now available to purchase for just $39.

A versatile new mini PC is now available to order in the form of the ODYSSEY X86J4105864, offering an easy way to build Edge Computing applications with powerful CPU and rich communication ...