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Questions tagged [esc]

Use in reference to electronic speed controllers, used with both brushed and brushless DC motors on drones and model aircraft.

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2 votes
4 answers
603 views

Effect of motor load on ESC?

I know that when a prop is caught on something or is slowed down by something it can put extra strain on the ESC or even burn it out. If I was using a 2207 motor with an unusually large and heavy ...
Jacob B's user avatar
  • 5,792
12 votes
3 answers
7k views

What does BEC, SBEC, UBEC, and OPTO mean for brushless motor ESCs?

I'm looking to purchase an ESC to go with a brushless motor. Many of the product pages include terms related to a BEC, such as SBEC, UBEC, and Opto. What do those acronyms mean and how should I ...
Daniel Ballinger's user avatar
6 votes
1 answer
168 views

Help finding ESC for brushless motor

I'm very very new to hobby electronics however I have studied a bit about basic electronics in school. I have four EMAX 0802 Brushless Motors and I want to drive them with an Arduino Nano. I know that ...
James McGreivy's user avatar
6 votes
1 answer
2k views

Wiring a 4-in-1 ESC to an Arduino Uno

I have four brushless motors that I want to control using an Arduino Nano. I was looking at getting a 4-in-1 ESC controller similar to this one on amazon. At this point in my project, I'm more ...
James McGreivy's user avatar
6 votes
3 answers
2k views

How to determine the lowest safe ESC current rating for a drone build?

I was planning to build a quadcopter and was wondering how I should decide what ESC to get. I'm asking about ESC current ratings. I am building a 7 inch drone using 4s with 2306 1900Kv motors. I have ...
Jacob B's user avatar
  • 5,792
3 votes
1 answer
2k views

How to measure the RPM of a drone motor using Betaflight?

I am interested in finding out the RPM of the motors on my drone with certain amounts of load and without load. Is there some way to measure the RPM of a drone motor using BetaFlight? If not, is there ...
Jacob B's user avatar
  • 5,792
3 votes
2 answers
806 views

Motor will not go above half thrust. Why and how to fix?

I fixed the esc of my aircraft, but now it won't go above half thrust for whatever reason. Here is a short record of the electronics in the craft; Crashed twice, broke esc, soldered 3-pin ground ...
Ceramicmrno0b's user avatar