Unanswered Questions
120 questions with no upvoted or accepted answers
5
votes
1
answer
171
views
Wirelessly (but fast) transfer STEP and DIR output from Arduino to stepper driver
Very short version:
Looking for a way to wirelessly get STEP and DIR signals (only those two signals) from an Arduino to a DRV8825 stepper driver about a meter away:
Arduino -> STEP and DIR IO pins ...
- 151
3
votes
0
answers
78
views
nano 33 BLE problems with reading RC signal
I'm using an Arduino Nano 33 BLE and a L293D motor driver to control a three-wheeled RC robot. The sketch I'm using worked fine with my Uno Rev3, but I've moved to the Nano for size/weight reasons, ...
- 1,042
3
votes
0
answers
242
views
Why doesn't PWM work on arduino in this code?
I am trying to control a dc motor speed with PWM. When I test it with simple program like spin in one direction with set PWM value it works. If PWM>70 the motor will start spinning and max is 255.
...
- 2,522
2
votes
0
answers
134
views
AccelStepper library - motor ticks when turning
When I'm using the AccelStepper library to control this closed loop stepper motor, the motor ticks when turning, maybe ~5 ticks/sec. Depending on the speed of the motor the ticks become more (at ...
- 21
2
votes
0
answers
29
views
Brushless ESC Recommendations
I've got a project in which I'll be controlling 8 24V/10A brushless DC motors with an Arduino Due on a quadrupedal robot. I've been having trouble finding ESCs that would work well for this ...
2
votes
0
answers
159
views
Brushless motor vibration/jitter/noise - arduino uno
I am currently using these motors and driving them off these drivers and an arduino uno, and alternatively trying to make them turn using the setup in step 6 (both with l298n and without) in this ...
- 21
2
votes
0
answers
56
views
Does anyone know code for a filter that bypasses small vibrational movements in my accelerometer input data
So basically I have a DC motor that is self stabilizing a platform using an accelerometer as its input. When i hit the table, everything freaks out and the platform moves rapidly back and forth for a ...
2
votes
0
answers
56
views
How to make 16 coin vibration motors and 5 servos work at the same time on a Arduino Mega?
I saw in Arduino Mega's datasheet that the sum of currents out of all input/output pins combined should be maximum 200mA. But I want to make 16 vibration motors and 5 servos work together on the same ...
- 21
2
votes
0
answers
6k
views
Difference between L298 and L298N motor driver
I was planning to buy a motor driver for my project purpose, but I don't understand which motor driver will suit my purpose. As there are two motor drivers available online. Can someone explain me the ...
- 121
2
votes
0
answers
237
views
How can I get the count of pulses of two encoders on the serial monitor?
I have two encoders; I connected them to pin 2 and 3 and I want to count the pulses of them to make two DC motors to work until it reaches a specified number of pulses, than stop working. I have ...
- 13k
2
votes
0
answers
136
views
Help with code for changing motor speed depending on MPU6050 angles read
I have been trying to create code where my MPU6050 is constantly reading the angle it is at and based on that angle, increase or decrease the motor speed. For example the motor will be off when the ...
- 21
2
votes
0
answers
236
views
How do you make a stepper motor move in accordance to earthquake data using arduino?
I am new to arduino. I can import the acceleration data from a text file into arduino and I can also make the motor run at that acceleration with a distance calculated from an equation. I use the ...
2
votes
0
answers
54
views
CIRC-03 Spin Motor Spin
I am experimenting with CIRC-03 but the DC motor won't start spinning with motorAcceleration(); unless I give it a push. Also, it makes a little noise when it stands still. It does spin, however, ...
- 3,126
2
votes
0
answers
57
views
Solenoid flyback, relayboard switch
I want to open a solenoid valve with an arduino, and have set up the following circuit
The plan is to add solenoids to every relay on the board. I am wondering if this circuit is any useful, or if ...
- 21
2
votes
0
answers
265
views
Motor on transistor causes arduino to reset
I have a motor hooked up to the emitter of a NTE24 transistor and ground, the collector is hooked up to 3.7V, and the base is connected through a 10ohm resistor to a PWM pin on an arduino mega, which ...
