BitBltBlade – WiFi controlled POV lightsaber

Madox designed the BitBltBlade, a WiFi controlled POV lightsaber designed to display images in conjunction with long exposure photography. The BitBltBlade uses the hackable TP-Link TL-WR703N router and Kean’s USB Expander board to wirelessly control a strip of RGB LEDs. The concept of operation is that the user would use their smartphone which can upload photos […]

WORKSHOP VIDEO #21: USB POV Toy calibration tests

Today we play around with the latest USB POV Toy hardware and firmware. The POV Toy is a persistence of vision (not division…) device, but we added some special features. First, a USB connection makes it effortless to upload new patterns. Second, an inexpensive accelerometer actively detects the waving motion and syncs the pattern. We […]

Workshop video #05: USB Persistence of Vision Toy firmware

After more than a year of off and on development, there’s finally a working firmware for the USB Persistence of Vision Toy. With a bit more tweaking we’ll be ready to release the code. This week’s workshop video is an overview of the POV Toy project. Displays pattern or words when waved in the air […]

7400 competition entry: Discrete logic POV clock

Matt’s entry in the Open 7400 Logic competition: Discrete logic POV clock. This persistence-of-vision clock was built entirely out of discrete logic chips. The design consists of three boards, a LED array and a drive motor. The digit board keeps the time while the display board controls the LEDs. The digit board Every second, a pulse increments the […]