Compact Unipolar stepper motor driver can drive unipolar motor up to 3.5A and supply range 10 To 50V DC. This compact board is based on STK672-440BN IC from ON semiconductor. The STK672-440BN is a hybrid IC for use as a unipolar, 2-phase stepper motor driver with PWM current control...

rs-online.com have published an advanced webserver project based on PIC18F67J60 microcontroller. An Internet connection would be a valuable addition to many projects, but often designers are put off by the complexities involved. The ‘NetWorker’, which consists of a small printed...

maximintegrated.com power supply experts have a reference design of a 24V to 12V flyback converter. Maxim's power supply experts have designed and built a series of isolated, industrial power-supply reference designs. Each of these power supplies efficiently converts 24V into useful...

An ATtiny85 and a 64x48 OLED display hand clock: This is the third in my series of minimalist watches based on the ATtiny85. This version displays the time by drawing an analogue watch face on a miniature 64x48 OLED display. It uses a separate crystal-controlled low-power RTC chip to...

A getting start guide to program Arduino MKR1000 in Python: The MKR1000 is described as a powerful board that combines the functionality of an Arduino Zero (already supported by Zerynth) and the connectivity of a Wi-Fi Shield, with a Cryptochip for secure communication. The...

A "dataless" Wi-Fi positioning system that can be used anywhere GPS can't. Blecky @ hackaday.io writes: The SubPos Wi-Fi Positioning System is an indoor positioning system that can be used in various environments such as metro lines, shopping malls, carparks, art galleries or even...

A64-OLinuXino OSHW board is released by Olimex Ltd. It's an open source hardware board that runs Linux and Android. Entirely designed with open source software CAD tools and source files are available on github. Schematic is here. Features A64 Cortex-A53 64-bit SoC from...

In July 2015, Intel and Micron Technology announced a new technology for memory and storage solutions called "3D XPoint™ technology". It is a new category of nonvolatile memory that addresses the need for high-performance, high-endurance, and high-capacity memory and...