Here is a low cost and easy to build power supply based on a some Chinese DC-DC converter modules: This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you. Power Supply...

This low cost current feedback phase control AC motor driver based on U2008 IC, The U2008B is designed as a phase control circuit in bipolar technology. It enables load-current detection as well as mains-compensated phase control. Motor control with load-current feedback and overload...

Ken Shirriff @ righto.com has done a detailed teardown of a counterfeit macbook charger and show us the difference from a genuine one and why this can be dangerous. He writes: What's inside a counterfeit Macbook charger? After my Macbook charger teardown, a reader sent me a charger...

Pierre Muth build a nice big clock using 3" 7-segment LCD displays. The clock is driven by a PIC18F87K90 and a few other components are used. He writes: We need clocks. Once you have passionate activities which absorbs all your attention, if you want to keep contact with the social...

Francesco @ garagetech.tips show use how to use the Raspberry Pi Zero to build a digital frame. Actually he show us how to use it as a USB storage device on an existing digital frame. Raspberry Pi Zero digital frame -...

Micah Elizabeth Scott @ youtube.com writes: My friends at Tangible Interaction sent some electronic whiteboard hardware to take apart. In this video I'll start to look at the transmitters, receivers, and communication protocol. Extensive Interactive Whiteboard Pen & Receiver...

Ken Boak discuss about his ChipStick PCB build: The ChipStick design has the following features: MSP430FR2433 with 15.5K FRAM and 4K SRAM External SRAM or FRAM device connected via SPI on USCI B0 CH340G USB to serial converter IC on detachable section of board 3V3 voltage...

Apple has designed a robotic arm that is able to teardown iphone and other electronics devices and recycle their components. What the video! How Apple recycles iphones -...