Vex # 276-2153. Transmitter and receiver for remote control of robotics servos. Designed as an add-on kit to allow two human operators to control different aspects of the same robot, it can also be used as the primary control (see note below). 6 channels (4 analog and 2 digital). Two joysticks, each with an X and Y axis, control the analog channels 1-4. Momentary switches on the front and back operate the two digital channels. Operates on Channel 89 (75.970MHz). Includes transmitter and receiver with crystals for Channel 89, receiver antenna and sleeve holder for antenna and interconnect cable between RF receiver module and microcontroller. Transmitter operates on eight AA batteries or one 9.6V battery pack. Batteries not included.
Note: To use this transmitter as a primary control, it is necessary to use a micro controller module to split and amplify the received signal into six individual channels. See PDF spec sheet (linked below) for a schematic for this modification / addition, provided by one of our customers.
Average Customer Review:
(17 Reviews)
Customer Comments
Average Customer Review:
(17 Reviews)
A customer from San Francisco Bay Area, USA
You can by the signal decoder for $20 from VEX
This is a great product at a great price. It is very solidly built and quite reliable. I own 8 of these that I use for a robotics class, and they have stood up to lots of student abuse! I've only had one antenna break, and replacements are available here: <http://www.vexrobotics.com/vex-control-products.shtml>
Several posters have asked about decoding the PPM signal, or have offered DIY projects to accomplish this. It is worth pointing out that VEX Robotics sells the signal decoder for $20 here: <http://www.vexrobotics.com/vex-robotics-signal-splitter.shtml>
You hook the receiver to the signal splitter using the included yellow modular cable, attach a standard R/C battery back, and plug in up to 6 standard servos. Ready to rock!
Oh, and the signal splitter's servo connectors are sockets rather than the traditional pins, so depending on which servos/cables you are using, you may want to pick up some of these gender changers: <http://www.hansenhobbies.com/products/connectors/servoconnectors/pt1in_fma/>
Frank Zhao from Toronto, Canada
Exceeded All Expectations
There is another user guide here that shows all the functions this transmitter has, such as mixing and scaling and stuff like that.
http://www.vexrobotics.com/docs/inventors-guide/main-2008/13-e-transmitter-menus-06272008.pdf
I've made a receiver with an ATTINY2313
http://frank.circleofcurrent.com/vexrx.php
A customer from Mashpee (Cape Cod) MA USA
VEX Reciever Decoder Kit
I am offering kits for Jon Williams' VEX Receiver Decoder with all components, PCB, and programmed SX processor. URL: www.m-re.com/vex-decoder
A customer from Conklin, MI
Decode the signals with a PICs microcontroller
I have written firmware for the PIC 16f688 that decodes all the channels. It is avaliable at http://www.leenetonline.com/electronics/microcontrollers/vex/
A customer from EAST HARTFORD, CT US
Awesome for the Price. Works with the MRX-6
I'll second the fact that this works prefect with the Cirrus MRX-6. Thanks "A viewer" for the heads up. I got the MRX-6 from HobbyPeople.net for under $20 shipped too.
It's a Plug and Play setup like any other R/c Controller.....Plug in the supplied Xtal and Go.
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