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Frequency Counter Kit


Price: $29.95 + $5.49 shipping
Only 8 left in stock.
Ships from and sold by Karlsson Robotics..
3 new from $29.95

Specifications for this item
Brand Name SparkFun
Mfr Part # SX10140
EAN 0845156601400
UPC 845156601400

This new revision includes a JST cable and also fixes the TX/RX swap from the last revision. Now ... Read full product description



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Product Details

  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • ASIN: B004G2DFYG
  • Average Customer Review: 2.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Best Sellers Rank: #169,693 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
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Product Description

This new revision includes a JST cable and also fixes the TX/RX swap from the last revision. Now you can use an FTDI correctly. We are also including a 16-pin header instead of a 40-pin header (only 16 pins are necessary). This kit is a re-hash of Nuxie's FunCount frequency counting kit. It includes everything you need to build a frequency counter capable of measuring frequencies from 1Hz to over 6MHz. The measured frequency is displayed on a 16x2 black on green LCD. Our new design is based on the popular ATmega328. The ATmega comes pre-programmed with both the frequency counting firmware, and a serial bootloader, so you can program it as you would an Arduino. If you want to program it via Arduino, you'll need a FTDI Basic Breakout. Unused pins of the ATmega328 are broken out for all your custom firmware desires. The ATmega328 runs at 16MHz, and should be able to reliably count frequencies up to around 6.4MHz (assuming a 50% duty cycle). Voltage supplied to the kit should be 5VDC. The voltage input on the frequency pin should not exceed the supplied voltage, and should not go below 0V. The kit includes a 3-pin JST male connector, so you can use this wire to deliver +5V, ground and the frequency signal to the Counter.

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Most Helpful Customer Reviews

17 of 18 people found the following review helpful By Rocket Scientist on July 26, 2011
This unit measures only up to 2mhz, and costs way too much. For the lower price, you can get the kit from electronics-diy, which measures frequency up to 50mhz and is much more precise.
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