Stephen Hobley Reveals The Laser Harp
Stephen Hobley, a photographer by trade, has taken the wraps off his pet Laser Harp project. Here’s how Hobley describes the technology in his own words… LASER CONTROL: Basically an Arduino connects to a 12-bit DAC chip (TLV5618) using the SPI 3 wire interface. It sends numbers on a timer interrupt to the DAC to specify where the beams are, 0, 455, 900, etc… all the way up to 4095 for 10 beams. It holds each position...
Panasonic Readies Fastest 32GB SDHC Flash Card
Panasonic has unveiled a new SD Flash card dubbed the RP-SDV32GU1K, catchy right? The new Secure Digital High Capacity (SDHC) card is reportedly the fastest to date with transfer rates at 20MB per second. The high-speed “class 6” card is meant to go head on with SanDisk’s slightly slower 32GB SDHC, which transfers at 15MB per second, but costs half the price. For digital recorders that utilize SD cards for storage,...
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