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    4WD Robot Car Chassis with Speed Encoder


    This kit can be used to make all kinds or robotic projects with 4 wheels mounted on a chassis

      • 2 x Car chassis (Transparent)
      • 4 x DC gear motor
      • 4 x Yellow wheels
      • 1 x 4-AA-L Battery box
      • 4 x 20 line tachometer encoder
      • 8 x Fastener
      • 1 x 3D assembly drawings (Chinese version)
    • Several pillars screw nut
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    F249 Infrared Motor Speed Sensor Module

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    High-Speed USB SPI Programmer – EZP2010


    This programmer can read and write the BIOS chips of a DVD,TV,etc


    • USB 2.0 interface, the speed is 12Mbps.
    • Auto detect chip modules.
    • Auto select power voltage.
    • Auto off-line chip copy.
    • Software and firmware update.
    • Support chip of 25 FLASH, 24 EEPROM, 25 EEPROM, 93 EEPROM, etc


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    Speed Recognition, Voice Recognition Module V3


    SRVR V3 Module is a compact and easy-control speaking recognition board.

    This product is a speaker-dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Any sound could be trained as command. Users need to train the module first before let it recognizing any voice command.

    This board has 2 controlling ways: Serial Port (full function), General Input Pins (part of function). General Output Pins on the board could generate several kinds of waves while corresponding voice command was recognized.

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