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Wristwatch Oscilloscope Kickstarter Project

Wristwatch Oscilloscope Kickstarter Project - RF CafeCalculator watches stopped being a sign of nerd chic a long time ago. If your wrist has been crying out for a device that declares to the world, "I am a hopeless technophile... and proud of it!," then this wearable o-scope-in-a-watch might be just the fashion statement revolution you have been waiting for. For a $99 pledge, you can receive one of the first prototype as part of Gabriel Anzziani's Kickstarter project (hurry - only one left as of this writing). Per the website, "The Oscilloscope Watch has all the features of a modern watch (time, calendar, alarm, etc...) combined with all the features of the popular Xprotolab (Oscilloscope, Waveform Generator, Logic Analyzer, Protocol Sniffer, Frequency Counter). The Xprotolab has been featured in several other online magazines, such as Hack a Day. and Elektor." The $60k goal has been met and exceeded.

Its open source code allows users to customize the device for personal needs. Attention to power consumption means about 12 hours of continuous use per charge, or 30 days acting as an actual time-keeping device and occasional bragging demonstrations. "The oscilloscope can't be truly wearable/portable if not accompanied by the probes. There are a few solutions for this problem: 1) Carry small probes in a keychain. 2) Make a wristband made out of the probe cables. 3) Use the probes as the watch straps... A special BNC adapter will also be designed that will plug in the 9 pin header, this will allow [use of] standard probes." A true devotee might consider having a storage sac surgically implanted in his/her forearm.

O-Scope Wristwatch on Kickstarter

Here are the Oscilloscope Watch's specifications:

The Oscilloscope Watch design is based on the Xprotolab, so the specifications will be similar. The Oscilloscope Watch User's manual will also be similar to the Xprotolab manual, with the additional documentation related to the watch functions.

General Specifications

  • ATXMEGA256A3U 256KB Flash, 16KB SRAM, 4KB EEPROM
  • Sharp Memory LCD display 1.28", 128x128 pixels
  • Approximate watch size: 2" x 1.6" x 0.6"
  • Li-Ion Battery 400 mAh, rechargeable via the micro USB connector
  • Internal PDI interface
  • 8 tactile switches
  • USB connectivity: PC application available, Android App available.
Logic Analyzer Specifications
  • 8 Digital Inputs, 3.3 V / 5 V tolerant

    Maximum sampling rate: 16 MSPS

    Frequency counter: 16 MHz

    Buffer size: 4096 bytes

Protocol Sniffer Specifications
  • UART: 5,6,7,8 data bit formats, 2560 byte buffer.

    SPI: 439 kHz max clock, All combinations of CPOL and CPHA, 2560 byte buffer.

    I2C: 400 kHz max clock, 2048 byte buffer.

Oscilloscope Specifications
  • 2 Analog Inputs
  • Maximum Sampling rate: 4 MSPS
  • Analog Bandwidth: 200 kHz
  • Resolution: 8bits
  • Input Impedance: 1 MΩ, 15 pF
  • Buffer size per channel: 4096 bytes
  • Input Voltage Range: -14 V to +20 V
Arbitrary Waveform Generator Specifications
  • 1 Analog Output
  • Maximum conversion rate: 1 MSPS
  • Low pass filter: 50 kHz
  • Resolution: 8 bits
  • Output current > ±7 mA
  • Buffer size: 4096 bytes
  • Output Voltage: ±4 V

Posted  November 14, 2013


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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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