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| | DYS 6A Brushless ESC
This little 6A brushless ESC from DYS is the perfect low-cost solution for a tiny brushless motor!  $9.99 |
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| | Single H-Bridge Servo Amp
This 2 Amp H-Bridge has a potentiometer input to turn any small motor into an R/C-style servo!  $24.99 |
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| | Qik 2s9v1 Dual Serial Motor Controller
This small, inexpensive motor controller allows variable speed and direction control of two small, brushed DC motors using a simple serial interface. $24.99 |
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| | Thunderbird 9 Brushless Speed Controller
Thunderbird controllers feature automatic lipo detect cutoff right from the package! Just plug in and and fly your lipos safely with no programming needed (or change the setting to fly NiCad/NiMH)!  $25.46 |
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| | Skyartec 12A Brushless ESC
This 12 amp ESC is part of a lineup that has been field proven for over 2 years with great results! $14.95 |
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| | 10-Amp Pro Brushless ESC
Standard features include advance BEC and safe power-arming along with programmable features such as low voltage cutoff, braking, timing and throttle input range. $27.99 |
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| | Sabertooth 5 RC Dual Motor Speed Controller
Sabertooth 2X5 R/C is a dual motor driver specifically optimized for use in small robots, cars and boats, and especially well suited for the Antweight and Beetleweight classes of fighting robots. $59.99 |
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| | Skyartec 25A Brushless ESC
This 25 amp ESC is part of a lineup that has been field proven for over 2 years with great results! $21.95 |
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| | Skyartec 30A Brushless ESC
This 30 amp ESC is part of a lineup that has been field proven for over 2 years with great results! $27.95 |
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| | Phoenix 10 Brushless Speed Controller
The new Phoenix-10 from Castle Creations weighs just two-tenths of an ounce and comes loaded with a variety of features that make it ideal for virtually any micro-flight application. $50.99 |
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| | Phoenix 45 Brushless Speed Controller
The Phoenix-45 can be set for helicopter installations (including those with collective pitch) or airplanes. Additionally, for competition flyers the Phoenix-45 features an adjustable switching rate for optimum efficiency. $101.99 |
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| | DYS 10A Brushless ESC
This 10A Brushless ESC is a great low-cost solution for small brushless motors. $11.99 |
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| | DYS 40A Brushless ESC
This 40A brushless ESC has more than enough capacity to power even the most overpowered antweight - on a budget! $21.99 |
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| | Simple-H HV H-Bridge
The HV version is identical to the Simple-H except that the command input voltage levels may be up to 28V. $84.99 |
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| | DYS 30A Brushless ESC
This is a great, inexpensive 30A brushless ESC, perfect for an antweight weapon! $17.99 |
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| | Simple-H H-bridge
The Robot Power Simple-H is a low-cost robust H-bridge circuit suitable for use driving DC motors and other DC loads in the ~25A and 24V range or less. $74.99 |
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| | Vantec RET411P Speed Controller
Very compact single channel controller that is great for controlling a lifter or small spinner motor, or add two to control your smaller robots. $67.76 |
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| | Phoenix 60 Brushless Speed Controller
The Phoenix-60 can be set for helicopter installations (including those with collective pitch) or airplanes. Competition flyers will benefit from the Phoenix-60's adjustable switching rate to insure optimum efficiency in their models. $118.99 |
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| | DYS 50A Brushless ESC
This ESC is a great, inexpensive match for large motors that draw up to 50 amps. $25.99 |
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| | Phoenix 80 Brushless Speed Controller
Specially designed for LMR competition gliders, F5D pylon racers, F5B competition sailplanes, and large helicopters. Use it in any very high-power brushless system. $135.90 |
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| | Phoenix ICE 50 Brushless ESC
Phoenix Ice brings the ability to run at input voltages of up to 8S (33.6) and use the built in switching BEC to output up to 5 amps of servo power all the way up to the 8S max! $84.96 |
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| | E-Flite 40-Amp Pro Switch-Mode BEC Brushless ESC
The 40-Amp Pro SB Brushless ESC with Switch-Mode BEC, and advanced programming, allows you to operate up to 7 analog or 6 digital standard-sized servos with the BEC on any recommended input voltage. $74.99 |
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| | Vantec RET512P Speed Controller
Very compact single channel controller that is great for controlling a lifter or small spinner motor, or add two to control your smaller robots. $94.48 |
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| | Vantec RET713P Speed Controller
Very compact single channel controller that is great for controlling a lifter or small spinner motor, or add two to control your smaller robots. $139.95 |
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| | Mamba Max Pro One Cell 1/10 Brushless ESC
The Mamba Max Pro One Cell Special Edition is specially designed for 1/10 scale one-cell class carpet racing. Loaded with features, Castle-Link compatible, 1-6S input. $127.49 |
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| | RoboteQ SDC2130 Dual 20A Brushed DC Motor Controller
RoboteQ's SDC2130 controller is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $175.00 |
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| | RoboteQ SDC2150 Dual 20A Brushed DC Motor Controller
Roboteq's SDC2150 controller is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $225.00 |
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| | TReX Dual Motor Controller DMC01
The TReX blends RC, analog, and serial inputs for a powerful motor control solution capable of delivering a continuous 13A per motor. $99.99 |
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| | DYS 100A Brushless ESC
A 100A brushless ESC that costs less than $40! A great way to start your first BIG brushless project! $39.99 |
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| | RoboteQ ax1500 2-Channel Motor Controller
Roboteq's AX1500 controller is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $275.00 |
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| | DYS 45A Brushless Sensorless Car ESC
This car ESC can handle a continuous 40 Amps at 4S. Suitable for 5.5T and greater sensored or sensorless brushless motors. It will even run brushed motors! $59.99 |
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| | Phoenix ICE 100 Brushless ESC
Phoenix Ice brings the ability to run at input voltages of up to 8S (33.6) and use the built in switching BEC to output up to 5 amps of servo power all the way up to the 8S max! $118.96 |
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| | 4QD Uni 4 - 12V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $97.00 |
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| | 4QD Uni 4 -24V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $97.00 |
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| | 4QD Uni 4 - 36V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $108.00 |
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| | 4QD Uni 8 - 12V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $114.00 |
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| | 4QD Uni 8 - 24V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $114.00 |
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| | 4QD Uni 8 - 36V Speed Controller
Uni series are Universal - Unidirectional - Unique controllers of unimpeachable reliability suitable for all the usual applications as well as some unusual ones! This controller is non-reversible. $121.50 |
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| | Vantec RET512H Speed Controller
Taking the RET512P a step further by adding on a large heat sink, where keeping cool is important, as with applications requiring more continuous duty control. $100.00 |
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| | IFI VEX Pro Victor 884
The 40A capacity, low voltage drop, and peak surge capacity make the Victor 884 ideal for drive systems. $89.99 |
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| | IFI VEX Pro Victor 883
The Victor 883 is currently our most popular-selling speed controller! Many builders choose the Victor for it's small size and weight, combined with it's awesome battle-tested reputation. $149.95 |
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| | IFI VEX Pro Victor 885
The Victor 885's high current capacity, low voltage drop, and peak surge capacity make the Victor 885 ideal for higher current drive motors. $189.95 |
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| | IFI VEX Pro Victor SC
The Victor 883 SC is a 90A spin controller specifically designed for spin-bots and inertia devices. $169.95 |
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| | IFI VEX Pro Thor SC
The Thor SC is a 150A spin controller specifically designed for high-current spin-bots and inertia devices. $219.95 |
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| | Sabertooth 25 Dual 25A Motor Driver
The Sabertooth25 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is suitable for high powered robots - up to 100lbs in combat or 300lbs for general purpose robotics. $124.99 |
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| | Vantec RET713H Speed Controller
Very compact single channel controller that is great for controlling a lifter or small spinner motor, or add two to control your smaller robots. $144.95 |
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| | RoboteQ ax3500 2-Channel Motor Controller
RoboteQ's ax3500 is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $395.00 |
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| | RoboteQ ax3500S Single-Channel Motor Controller
RoboteQ's ax3500 is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $395.00 |
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| | Vantec RDFR21 Speed Controller
A very compact dual-channel speed controller for smaller bots. This is a good choice controller for the beginner builder who is using motors that draw low current  $232.88 |
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| | IBC v2 Dual Speed Controller
The Integrated Bot Controller (IBC) is designed and built in Australia, and now this awesome controller is now available here in the States through the Robot MarketPlace. Perfect for Hobbyweight, Featherweight, Lightweight, and even some Middleweight Robots. $319.99 |
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| | RoboteQ ax1500BP 2-Channel Motor Controller
Roboteq's AX1500 controller is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $325.00 |
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| | RoboteQ ax1500BPSC Single Channel Motor Controller
Roboteq's AX1500 controller is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $325.00 |
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| | Holmes Hobbies Waterproof TorqueMaster BR-XL
The TorqueMaster BR-XL is a new crawler ESC made in the USA! It has a huge power rating (80A at 6S) in a tiny package. Fully compatible with Castle Creations' Castle Link! $108.88 |
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| | OSMC Speed Controller
The OSMC is a high-power H-bridge circuit designed to control permanent magnet DC motors. It was designed expressly as a motor control for robot combat in competitions. $219.00 |
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| | Vantec RDFR22 Speed ControllerOka
One of the most popular models for Combat Robot use. This is also a very compact dual-channel speed controller for smaller bots. $262.88 |
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| | Vantec RDFR23 Speed Controller
This is a great controller if you're looking to move into larger robots. Due to it's higher power handling, it is a good choice for robots 60-100 lbs. $317.88 |
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| | 4QD PRO-150 Speed Controller
Probably the most user-friendly programmable motor controller available! The Pro-150 has a display and on-board sounder to make programming easy. $372.50 |
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| | 4QD PRO-120 24V Speed Controller
Pro 120 Mark 2 is built on the success of the Pro controller. The circuits of these are so well proven and successful that no major design was possible, but the board has been re-laid using sub-miniature resistors to give room for more features. $268.25 |
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| | 4QD PRO-120 36V Speed Controller
Pro 120 Mark 2 is built on the success of the Pro controller. The circuits of these are so well proven and successful that no major design was possible, but the board has been re-laid using sub-miniature resistors to give room for more features. $277.50 |
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| | RoboteQ ax3500BP 2-Channel 60A Motor Controller
RoboteQ's ax3500 is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $445.00 |
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| | RoboteQ ax3500BPSC Single Channel Motor Controller
RoboteQ's ax3500 is designed to convert commands received from a R/C radio, Analog Joystick, wireless modem, or microcomputer into high voltage and high current output for driving one or two DC motors. $445.00 |
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| | Vantec RDFR33 Speed Controller
When you're intending to power your bot with some of the more current-hungry motors out there, it's time to beef up to a larger speed controller. The RDFR33 is a whole new design over the RDFR2x series. $442.88 |
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| | Vantec RDFR36E Speed Controller
Now we're getting serious. The RDFR36E has a thick, extruded aluminum case to assist in heat dissipation, and can handle much more current than the some of the other models. $489.88 |
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| | 4QD-200 48V Speed Controller
Designed to give currents in the range of 100 to 300 amps making them probably the most powerful controllers in their price range. $495.00 |
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| | RoboteQ VBL2350 Dual 75A Brushless DC Motor
Roboteq's VBL1650 is a first-of-its-kind dual 75A reversible brushless motor controller. It can accept a wide range of inputs, and is designed to be extremely easy to use. $495.00 |
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| | 4QD-300 48V Speed Controller
Designed to give currents in the range 100 to 300 amps making them probably the most powerful controllers in their price range. $624.00 |
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$54.99 
