A review and teardown of the Ledger Nano S crypto currency hardware wallet. Installation, setup, and transferring bitcoin cash, ethereum, and ripple. And a comparison with the Trezor, which one is better? Buy them HERE Secure chip HERE Verify your Ledger Nano S hardware HERE Forum HERE Podcast: Download

Dave finally puts an end to the idea of Solar Roadways. We have the test results of the world’s biggest solar roadways project, the 1km long 336kW Colas Wattway project in Tourouvre France. Stand in awe at how impractical and expensive it is!, and SPOILER, how it won’t usher in …

Dave explains and demonstrates how out of phase digital signals can effectively double your voltage. The magic of moving your reference point. And how you can verify this with a differential probe. A question bought up in the comments of the previous LCD driving video. The HVP70 High Voltage Differential …

How to drive a static LCD display with digital logic and an Arduino / microcontroller. Code HERE LCD HERE Forum HERE Podcast: Download

Part 1 in a series of videos on designing a custom LCD display. This tutorial covers how LCD displays work, the 3 different types of interface (DIP, Elastomeric, Flex), the three different optical types (Reflective, Transflective, and Transmissive), and the two different types of drive (Static vs Dynamic) Microchip AN658 …