Click-A-Tune

Debian Linux running on a 200MHz ARM for audio playback of MP3 audio files.

Individual sounds or groups of sounds can be triggered with a number of switch inputs (up to 36). Alternatively the unit can be programmed to play continuously. The sound can be stored on-board in the large 256MByte flash, on plug-in USB memory sticks, or MicroSD cards.

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USB JTAG interface "Tagger"

Tagger is a USB device that connects a PC to a JTAG interface. Data throughput is a respectable 800KBits/second (many times faster than a parallel port). Works with targets of 3 to 5V.

Software interface is though a low level driver. Sample code exists to demonstrate the in-circuit programming of Flash devices directly connected to an Intel StrongARM and an AMD Alchemy (AU1000, 1100, 1500). Sample code also exists to program a small selection of PLDs.

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Digital/TTL to RS232 level shifter

A very simple device for shifting serial signals at digital/TTL levels to RS232. Works on 3V to 5V supplies and logic levels. 9 pin DCE and DTE connector. There are Tx and Rx indicator LEDs.

This is one of those devices that everyone needs at some stage during embedded systems development!

PC Watchdog

PC Watchdog is a USB device that is intended to keep unreliable applications running by applying a hard reset to the PC in event of a crash.

The watchdog is simply installed by connecting to the internal USB and reset switch headers on the motherboard. A passthrough connector allows normal reset switch operation.

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