Questions tagged [servo]
A kind of motor with automatic feedback, usually for positioning, such as a hobby RC servo motor.
651 questions
1 vote
4 answers
170 views
Should I use "Star Ground" for all of my components including the servo motor?
I'm developing a small DIY project, but I'm still quite a beginner. I've heard that it's better to distribute the GND from the power supply in a star pattern. As you can see in my diagram, I'm doing ...
- 131
0 votes
2 answers
93 views
Servo Stuttering Under Load with MOSFET Switch
I am having an issue with a servo motor controlled by a NodeMCU and switched via an N-MOSFET (IRLB8721) on a breadboard. The servo is powered by 8.4V (from 12V/5A PSU via step-down). MOSFET gate ...
- 131
-1 votes
2 answers
92 views
Using MOSFET as a load switch to control multiple servos
So first of all, I don't have a background in electrical engineering, I got handed a project where having some automation would save so much of my time so now I am learning electronics from scratch. I ...
2 votes
1 answer
279 views
Switching power to a servo using a transistor
I'm trying to switch power to a servo using a 2N2222 transistor. My wiring diagram is as follows. I drew it up to resemble the physical connections on my breadboard (because I'm worried that I may be ...
- 881
0 votes
1 answer
83 views
Switching power supply failing in motor drive application, reverse power flow suspected
I've been driving a 24V robotics application with brushless motors, that I've measured to use about 2A usually, 5A peak as far as my slow multimeter shows. Now I've exchanged the LiIon battery with 5A ...
- 587
0 votes
2 answers
174 views
Using a MOSFET as a switch for a servo
I'm trying to switch power to a servo using a IRLZ44N MOSFET. I'm using a ATmega328P mcu running at 3.3V and a 8MHz crystal. The servo is rated 4.8-6V and draws up to 200mA to move. Following is the ...
- 881
2 votes
0 answers
77 views
Why Servo Drive and EMI Filter Placement Matters?
I'm working with a 1kW Delta A2 servo drive and motor. Its datasheet specifies that the servo drive should be installed above the EMI filter. When installing the servo drive and EMI Filter, the servo ...
- 447
0 votes
1 answer
73 views
Best way to reduce voltage/current while working with more powerful battery? [duplicate]
I want to use a 12V 7Ah battery to power some DC motors. That part works but I also want to use it to to power two servo motors but I am a bit worried about breaking them by applying too much power. ...
- 349
0 votes
0 answers
42 views
Using pico with servo and external power supply
I want to use a Feetech High-torque Metal Gear Servo with a raspberry pico. Just to get started I have the simplest code: ...
- 349
1 vote
0 answers
43 views
What read/write speeds have people achieved with RMD-X8 Pro actuators over CAN, and is the control loop frequency a limiting factor? [closed]
I am using RMD actuators, specifically the RMD-X8 Pro 1:9 model, for a robotic arm project. According to the documentation, the CAN bus supports 500 kbps and 1 Mbps communication speeds. However, when ...
- 11
4 votes
1 answer
343 views
Why do servos pulsate?
I have a SG90 servo connected to an Arduino Uno. PB1 is connected to the orange (signal) wire of the servo. 5V and GND pins on the Arduino are connected to the red and brown wires of the servo. I'm ...
- 881
2 votes
0 answers
72 views
Designing a circuit with mosfets to short a servo (making a motor brake) [closed]
My previous question on the topic was clearly improperly formatted and unhelpful. Problem: I'd like to use an Arduino, a separate 5V power supply, and 2 MOSFETs to drive a servo. The Arduino would ...
1 vote
1 answer
99 views
9V battery draining very quickly because of servo motors or 11.1V Lipo battery in Arduino project
I want to control three servo motors and two BLDC motors using an Arduino and an HC-05 Bluetooth module. Using a 9V battery to power the Arduino. Connected Arduino's 5v output to Vcc of the HC-05 ...
- 11
0 votes
1 answer
92 views
Servo voltage drop
I was making a robotic arm with 2 SG90s and 2 MG996Rs, but i realized they weren't able to pick up 10% torque in their rating at 5 Volts. So i connected my Raspberry Pi 5 to 1 MG90 Servo with the ...
- 19
0 votes
2 answers
101 views
atmega328p button press via interrupt not working
I'm trying to control a servo using two buttons connected to a atmega328p. The two buttons place the servo horn in two different positions. The servo is a SG90 micro servo. I'm trying to use ...
- 881