Dangerous Prototypes USB IR Toy

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Dangerous Prototypes USB IR Toy
Dangerous prototypes irtoy mugshot.png
Status supported
Source code openbench-logic-sniffer
Channels 1
Samplerate 10kHz
Samplerate (state)
Triggers automatically triggers upon IR signal
Min/max voltage N/A
Memory 1024 bytes
Compression none
Website dangerousprototypes.com

The Dangerous Prototypes USB IR Toy is a USB-based, 1-channel logic analyzer with a 10kHz sampling rate.

The hardware design is available under a Creative Commons (CC-BY-SA) license.

See Dangerous Prototypes USB IR Toy/Info for more details (such as lsusb -v output) about the device.

Hardware

  • 8-bit microcontroller with integrated USB Full-Speed support: Microchip PIC18F2550-I/SO (datasheet)
  • 20MHz crystal
  • IR transmitter (LED): Vishay TSAL7400
  • IR receiver / demodulator: Vishay TSOP38238
  • IR frequency detector: Fairchild QSE159

Photos

Protocol

The USB IR Toy uses the extended SUMP protocol, as used by the Openbench Logic Sniffer driver. It is thus supported in sigrok out of the box.

Resources