John Park's DIY Light Paintbrush For Long Exposure Photography
Paint with light using the Circuit Playground Light Paintbrush for long exposure photography. Tilt the brush to change colors using the on-board accelerometer.
Streaks of colorful light, suspended in midair -- ever since people began to capture images on film they have had a fascination with light painting and light drawing. By simply moving a light source in front of an open shutter, motion over time could be captured on camera.
Text, image and video via Adafruit Industries