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YEP 7A (1~2S) Brushless Speed Controller 0.7g

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YEP 7A (1~2S) Brushless Speed Controller 0.7g


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The 7A YEP is just a scant .7grams and is perfect for micro brushless multi-rotor applications and F3P competition.

 YEP ESC series offers a super smooth linear throttle responce making them exceptional fixed wing and helicopter ESCs.  The features offered in this ESC are only matched by the most expensive european brands at a fraction of the cost. The super smooth soft start, along with its ultra high resolution throttle response puts this ESC in a class of its own!

YEP ESCs are built with the highest quality components to ensure true-to-rating current handling and high efficiency operation. Although quality is a tag line mentioned by many manufacturers you'll notice the difference the moment you remove the YEP ESC from the box. 
All YEP ESCs can be programmed via optional programing card or by transmitter stick inputs.

• Optional programming card for convenient setup 
• Super fine throttle resolution provides first-rate and highly accurate linearity 
• Super smooth adjustable start-up mode
• Constant RPM mode (governor mode)
• 3 steps adjustable normal EMF brake  
• High anti-interference capability
• Low voltage cut-off protection with automatic adjustment for NiCd/NiMH/Li-Ion/LiPo/LiFePO4
• Soft cut-off option at low voltage, slows motor RPM gradual rather than hard cutoff (LVC)
• Low voltage cut-off can be disabled  
• Variable cut-off voltage / cell    
• Adjustable motor timing from 0° to 30° or Automatic timing 
• Motor reversing from ESC (no need to change ESC/motor wires) 
• Throttle signal lose protection. If the signal is lost for 3 seconds, the power will automatically cutoff.  
• Safe power-on. (Motor will not start until throttle is returned to lowest position) 

***This ESC comes with wires installed, there is a no wire version as well***

Max Cont Current: 7A
Max Burst Current: 10A for 10 seconds
Input Voltage: 1-2 cells li-XX or 3-6 Ni-MH/Ni-Cd battery
PWM: 8~16 KHz
Max RPM: 240,000rpm for 2 Poles Brushless Motor
PCB Size: 11x20x3mm
Weight: .7g (without wires)

YEP programming card required to access the full suit of programming options. 

  • YEP 7A Micro ESC
  • Programming the YEP using throttle
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TN Walker | Verified Buyer

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YEP 7A (1-2S) ESc

Nov 08, 2019

If you are serious about F3P pattern flying and have a lightweight F3P pattern plane then this is a "must have" esc! This particular esc has been used successfully with either 1S or 2S setups.The quality of this product is head and shoulders above all other esc's. When you consider the value and quality, at such a reasonable price, this esc can NOT be beat! Thanks you and keep up the good work Hobby King!

ALARIC | Verified Buyer

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Oct 27, 2019


LBasco1 | Verified Buyer

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Oct 21, 2019

This ESC is technically worthless for fixed wing aircraft. Battery input and BEC is nonexistent as is some pertinent tech data. The manual is ok, but the rest of the files for download are worthless. The hand drawn picture is the most worthless. If you buy a product you would expect some real documentation for the product.

Richard | Verified Buyer

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My experience with the YEP 7

Mar 29, 2017

Comes set up for a helicopter, so if you install it on a plane without programming it doesn't work well. The programming card is slick and easy to use. The video on YouTube is a real help - watch it a couple of times. I'm flying it on a Twisted Hobbies Clik with no problems.

Andr | Verified Buyer

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Customer Rated

Sep 03, 2014

This little ESC is very nice and lightweight. It didn't work correctly at first but after programming it everything is perfect.
The manual that was in the files tab was not the correct one for this ESC, so you can't program it following those instructions. LUCKILY I found out that the software is the same as on YGE esc's. I also found a matching manual and used it to program the ESC using my Transmitter!
I uploaded the correct manual into the FILES tab, it's called 'YEP 7A manual (YGE)'. Use it and your esc will work perfectly.
I do recomend this ESC!

Wipo_Be | Verified Buyer

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Customer Rated

Jul 12, 2014

The yep programming card PRODUCT ID: 355000020 does NOT work with this product. The manual in the files tab does not correspond to this product. To get the correct manual search for YGE 7E ESC on google. The specifications on this hobbyking product page are WRONG. The firmware is really bad and provides very little programming options. You can't even change spinning directions. The solderpads for flashing new firmware are so tiny and bad placed that you need expert skills and equipment to flash or update the firmware. My advice to Hobbyking if they want to make a 4star product : "ship this esc with SimonK or BLHELI firmware"

andreas..k | Verified Buyer

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Certified Buyer Rated

Mar 09, 2014

very small and light, I use 2 Diods to drop the voltage to the rx, for me the YEP esc are the best you can get here at the moment -03/2014

donaldsnephew | Verified Buyer

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Certified Buyer Rated

Nov 27, 2013

Nicely made copy of the YGE ESC. Program card works well on this ESC. Tested several motors on this ESC so far, with many different settings. All inrunners I tested (Turnigy XK-1222, 1015, 1220, 1230) start perfectly, some outrunners also work fine (M5, C05M). But some of my motors (e.g. Spin 16300, HP05s) do not start; tried nearly everything with program card, but no success so far. Do not know the reason, because those motors work very well with XP-7A and XP-12A speedcontrollers.

Mache 1.5 | Verified Buyer

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Customer Rated

Nov 23, 2013

2.05g with wires.
That is very light and small.
Nice job!
I try to modify a 200g twin prop model.
Hopefully it works out fin...
Programming mode without card would be nice.

Customer files
YEP manual Download [571]
atmega168 connections.png Download [412]
SPI connections.jpg Download [185]
connection diagram for microquad Download [449]
YEP 7A Manual (YGE) Download [76]
Where are the indicated battery wires on the ESC....again the manual is wrong. The sales picture only shows the Receiver wiring + the motor wiring? Download [2]
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