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green module

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green module Customers Reviews

  • Incredible

    posted by Thioden

    Incredibly fast GPS! Locks on satellites even when indoors. Easy to configure with available software ( TTL USART is required though, but available through DX.com ) Works perfectly at both 3.3 and 5V.Really small !
    It's really really small, which worried me about receiving strength. However I was proved wrong, it's incredibly accurate and fast. Best GPS chip I've used in a while. Better then SRIF III.
    Will buy some more before stock runs out again !
  • Texsas Instruments bredout board

    posted by Falkusa

    Interface for the CC2500 Texas Instruments RF chip. Works on 2.4 GHz and is concurent product to the xBee sollution widely used. Uses SPI for communication so it isn't plug and play suplement for xBee but does it's purpose.
    Very low hibernation consumption 90nA. Can run on 2xAAA batteries for years.
    I am satisfied with price and devices. Wouldn't worry too much if there is bad solder, since DX refunds or resends items on such cases.
  • Useful PIR sensor, with adjustable pot

    posted by ed2096

    Has an adjustable pot unlike many other products, able to adjust off delay time. Very useful.Otherwise simple and easy to wire up.
    Would be nice to see it sold with different PIR sensor options
    Get it for the adjustable pot
  • Great little module with wide range of applications

    posted by Rhema1

    These are great voltage boosters with a good capacity. Versatile. Very smooth and stable output.
    I have a several of these units that I had purchased elsewhere for less. But delivery time was unpredictable. The price here being about $4.00 each higher. But wanted to test the delivery time and needed 3 more. So I purchased here.
    Shipping time was moderate. The device itself is great. I really like these little units.
  • Simple Siren Chip with Two Different Sound

    posted by xunoe

    Sound chip have three different sound. Police and ambulance and fire siren. You can adjust siren speed with a resistance.Improves working efficiency by changing resistance to control sound speed.
    You can use this in alarm need situations. Because sound is very disturbing.You can adjust siren speed with a resistance.Improves working efficiency by changing resistance to control sound speed.
    Useful for burglar alarm, fire alarm etc.Choose void: alarm, VCC: fire alarm, grounding: emergency alarm.You can buy if you need this.

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