ESC is the abbreviation of Electronic Speed Controller

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How do I match a brushless motor to an ESC?

I have purchased an iPower GBM5208H-180T brushless DC motor. Configuration: 12N14P Resistance: 10.2 ohms I need to run the motor at ~1800 RPM. Here's iPower's list of ESCs. Most are rated ...
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Why don't all motors burn up instantly?

A motor rated for 3S (11.1 V) has an internal resistance of 0.12 ohm. The maximum current is 22 A. 11.1 V / 0.12 ohm = 92.5 A Doesn't this mean ...
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Battery Elimination Circuit Powering Flight Controller

I am putting together a quadcopter, and one of the things I've stumbled across that I don't quite understand is Battery Elimination Circuits (BECs). The Flight Controller on my quadcopter is a modded ...
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85 views

Will this ESC work with these motors?

I am looking in to making a UAV quadcopter and I don't know how to calculate what ESC to use with the motors I have picked. I am looking at buying the HobbyKing Red Brick 10A ESC and the Turnigy ...
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173 views

HDD Brushless Motor runs jerky!

I have been trying to make a tricopter on a budget.The first line of thought is to use a brushless motor from a HDD. I got one. I also have a 12A ESC, from a airplane, whcih has been lying around, a ...
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212 views

BLDC speed and position from back-emf

I'm trying to make my own sensorless speed controller and I need to know the speed and the position. What are the basic techniques used to determine the speed and position of a BLDC motor from the ...
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1answer
492 views

Powering a raspberry Pi using an ESC (Electronic Speed Controller)

I'm working on a quadcopter project using Motors/ESCs, an Arduino DUE and a Raspberry Pi. I have 4 motors and 4 of these Opto ESCs. At the moment I have the raspberry Pi plugged into the mains ...
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Diffrance between Brushed ESC and Brushed DC Motor Driver (Controller)

What is the diffrance between a Brushed ESC (electronic speed controller) and a Brushed DC Motor Driver (controller)? they both do the same job, yet at different prices and look diffrent. Example: ...
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Reverse-engineering a brushless ESC, could someone help me understand the circuit

So I'm in the process of trying to reverse-engineer a hobby brushless ESC. Above is the schematic for a single half-bridge drive circuit. VIN is 11.1V D1 is an unidentified diode; all that I've ...
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418 views

Use Micro-Controller Instead of ESC

I was wondering if I could use something like microcontroller instead of an ESC. I tried finding tutorials on Google and YouTube and I couldn't find anything useful. Could you please help me? P.S. I ...
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373 views

How to choose a PIC for a BLDC Motor Controller?

I just made a BLDC motor controller, but I'd like it to be able to go to higher frequencies (have less dead time, faster firmware, etc). In particular, I'm aiming for 20kHz-to-50kHz range, but am ...
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How to drive dualsky ESC with arduino PWM? (Brushless motor)

I've recently received 4 Brushless motors, 4 brushless ESC's and 2 LiPo batteries. I managed to run the motors with my arduino and the servo library, but I'm not getting optimal results. I was ...
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605 views

Test ESC using a Servo Tester

I'm trying to test my 20A Hobbywing skywalker ESC. For that I bought this servo tester from ebay I'm a bit confused about the servo tester input. Shouldn't it be just supply power? Then what is ...
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How to use an ESC

I'm new to RC related modules. Today I got my Hobbywing's Skywalker 20A brushless esc. Manual is here. I also have a brushless outrunner motor (HL3512) I ...
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Controlling Multiple ESCs with ATMEGA128 PWM

So i've been working on this Quadcopter for a while, finally got it all built and put together. Trying to write some code to control the ESC (RedBrick HobbyKing 30A with UBEC). I managed to arm an ESC ...
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Controlling small brushless dc motors?

I'm designing an ESC with a small microcontroller running at 3.3V. The BLDC motors I have chosen are extremely small, and run best at 3.7V. I have the power supply for both of these (3.7V is VBATT, ...
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722 views

How to choose an Electronic Speed controller?

I'm having a go at making my self a quad-copter and was wondering how one would go about choosing an ESC?. I've chosen this motor and this ESC, Is the ESC suitable for that motor?
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BLDC Regenrative ESC and LiPo [closed]

I am currently working on a project where I want to implement a Brushless dc motor (like the Turnigy C2226 - 1800kv) to run in-hub of an RC car. I need this entire project to be as lightweight as ...
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How to convert a TowerPro 18A MAG8 (HH30A_V1.1) Electronic Speed Control (ESC) from PWM to I2C?

A while ago, I purchased four of these ESCs to use them for the control of brushless motors. Now I need to know how to convert them from PWM to I2C. I'm not a electrical engineer, so I don't know ...
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Activating Electronic Speed Control with Arduino

For anyone else looking at this, most of our problems seemed to result from not having the pulse range quite right. We eventually hooked our ESCs up to a standard RC controller and used an ...
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288 views

Brushless Motor Encoder Read?

I have this a MegaMo SY3056 BLDC Spec.PDF And beside the cables that are connected to the ESC i have thses encoder cables: How can i read this encoder? and what values do i get? Can i know the ...
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Connect Arduino to ESC with BEC (without using its power)

I am using the Arduino Servo library to control two servo's on a RC-car. One of the servo's (for steering) is without ESC (as it should be), so easy to connect and power. However, the motor that ...
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537 views

Stopping a brushless DC motor in a specific position

I have a BLDC motor on an autopiloted model airplane, running with an ordinary PWM-controlled ESC. I have a feature I'd like to add which the ESC I have doesn't support, so I either want to find one ...
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2answers
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Implementing my own ESC (electronic speed controller)?

I have a project that uses an ESC to run a brushless motor (Hobbyist RC plane sized, 24 gram, 1300-1500 KV). I would like to experiment with eliminating the ESC and driving the motor with my own ...
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837 views

How is resistance in brushless motor ESC calculated by the manufacturers?

In hobby market (rc planes, cars, robots) one of the parameters manufacturers of the brushless motor ESC specify is resistance. ESC in this case means "electronic speed controller" and is a device ...
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Can you run a BLDC motor backwards without damage?

Can you run a BLDC motor backwards without damage? Is it OK to drive a model airplane BLDC engine backwards while landing, so it gets a little "reverse thrust" and come to a stop a little quicker on ...
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Controlling/Reading Hard Drive Brushless Motor w/ uC

I am working on creating a Hard Drive DJ similar to the other posting on this website, except that I want to drive the motor when the user isn't scratching on it. Multiple sources recommended using an ...