Tagged Questions

ESC is the abbreviation of Electronic Speed Controller

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0
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1answer
75 views

How do I control a brushless DC motor without an ESC with Arduino

Is there a way to control brushless DC motor removed from a CD-ROM drive without using an ESC by using an Arduino.
0
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0answers
21 views

Controlling ESC with Arduino [migrated]

I want to control these motors: hexTronik DT750 Brushless Outrunner 750kv with this battery: Turnigy 2200mAh 3S 25C Lipo Pack and these ESCs: TURNIGY Plush 18amp Speed Controller. I am new to this ...
-1
votes
1answer
63 views

Calculating DC Brushless Motor Position

I am using a brush-less motor in one of my projects and I need a decent method of sensing the motor position so I know what coils to turn on and off. I looked a bit into sensing Back-EMF, but I did ...
0
votes
1answer
35 views

Safely Driving a Brushless Motor

I am currently building a quad-copter out of an Arduino. I decided to make my own ESCs using MOSFETs, EMF sensors, and the Arduino. These are the motors that will be driven: ...
0
votes
1answer
91 views

Homemade Brushless ESC

I am currently working on building a quadcopter with brushless motors. I decided to try to build the ESCs by myself with some MOSFETs. I am using an Uno as the main controller on the receiving end. ...
0
votes
1answer
199 views

How to use Turnigy MultiStar ESC with generic microcontroller? [duplicate]

I just got the Turnigy Multistar 20 Amp Multi-rotor Brushless ESC 2-4S. I have a motor and a battery hooked up to the ESC. On the three pin connector, I attached the brown ground wire to a ground ...
0
votes
1answer
45 views

Selecting MOSFETs for Motor

I want to implement a driver circuit for a (sensored) motor that I am purchasing which has the characteristics (on the shopping website): Max Amps: 16 Max Power: 350W ESC: 35A KV: 1900 The ...
0
votes
1answer
114 views

CX-20 Quadcopter Part

One of the ESC's on my quadcopter is missing a component. I am unsure what this component does or where to find a new part. Is it a sort of resistor?? What size? it features no markings that I can ...
2
votes
2answers
218 views

Connecting 4 ESCs in parallel

Background: I'm building a quadrocopter. In such RC models, usually brushless engines are being used and these require ESCs (Electronic Speed Controllers) to work properly. Most ESCs are equipped with ...
4
votes
2answers
168 views

Electronic Speed Control Concepts

I am a programmer who has never worked with electronics before. I am learning the concepts and hoping to build a quadcopter, with the control software entirely written by me. Motor control seems to be ...
0
votes
0answers
53 views

Wiring of ESC to Motor just plays tune

I have this ESC. I am not sure if I have the leads connected correctly, but when I power the esc and send it signals it doesn't move. I am writing to it as a servo via an arduino. What it does do ...
1
vote
1answer
661 views

Controlling a brushless DC motor with an Arduino--*without ESC*

I want to build an ESC using an ATmega328 (used in Arduino Uno). This is the Brushless DC Motor I've chosen and this is the MOSFET I've chosen to gate the power supply. It will be used to drive a ...
0
votes
0answers
75 views

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 ...
16
votes
3answers
3k views

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 ...
0
votes
1answer
236 views

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 ...
1
vote
1answer
101 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 ...
1
vote
1answer
440 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 ...
2
votes
1answer
325 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 ...
3
votes
1answer
682 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 ...
-3
votes
2answers
551 views

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: ...
4
votes
2answers
530 views

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 ...
2
votes
2answers
513 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 ...
0
votes
3answers
525 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 ...
1
vote
0answers
399 views

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 ...
0
votes
1answer
895 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 ...
6
votes
1answer
2k views

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 ...
1
vote
1answer
2k views

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 ...
5
votes
2answers
2k views

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, ...
0
votes
1answer
1k 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?
4
votes
1answer
692 views

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 ...
3
votes
2answers
2k views

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 ...
3
votes
2answers
5k views

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 ...
0
votes
2answers
307 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 ...
2
votes
1answer
2k views

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 ...
5
votes
1answer
775 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 ...
4
votes
2answers
3k views

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 ...
2
votes
1answer
1k 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 ...
5
votes
4answers
3k views

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 ...
1
vote
1answer
2k views

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 ...