• RGB display development
[SeBsZ] tipped us off that he’s working on a display using RGB LEDs. He’s etched some nice surface mount controller boards to carry the ATmega8 microcontroller and NXP PCA9635 drivers. This setup uses the I2C bus to address each expansion board of 5 LED modules. Theoretically this hardware would allow for 638 RGB modules but [...]
• Guerilla theater hits two wheels
[Tom] wanted to take the show on the road so he added lights to his bike using theater grade control hardware. The picture above shows three tail lights comprised of 195 LEDs. Built on perf-board, a DMX512 controller can display several patterns on each module. The lighting technician (bike pilot) controls the patterns through a [...]

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