Questions tagged [l298]
Anything related to the L298 integrated circuit. The L298 is a high-voltage, high-current dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, and DC and stepping motors.
79
questions
0
votes
0
answers
44
views
L298 H-bridge: there is voltage, but it disappears once motor is connected
I'm trying to drive a DC motor in different directions with the help of L298 H-bridge (multiwatt vertical package) and an Arduino. I can measure how voltage changes from -5V to +5V, give or take, ...
- 121
0
votes
1
answer
45
views
Baby bed Carousel - Is it possible to control stepper motor using L298N driver and mks osc v1.0 controller?
I have a mission. Wanted to build bed carousel for my baby and now it's a matter of honor.
What parts i have:
5 wired stepper motor - I know the trick how to convert it to bipolar one.
L298N Driver
...
0
votes
0
answers
68
views
Powering Raspberry Pi and motors with same battery
I'm building a Raspberry Pi (2 model B) robot with two l298n H-bridge modules to drive four motors, and am using the charger board module pictured below (lx-lbu2c - 2.4a output) to charge two 18650 ...
- 101
0
votes
0
answers
86
views
Not able to run motors using l298n motor driver
I try to make a gesture controlled robot using L298n, Arduino Uno and bluetooth module HC-05. I send gesture data from a mobile. I have checked there's no problem in the data communication from mobile....
1
vote
1
answer
138
views
L298N 50 Hz noise [closed]
I am currently measuring a 50 Hz noise with an oscilloscope on a L298N with no load and a 1 mOhm resistor, which I can't explain. I have connected the L298N to an Arduino and a 12V power supply. The ...
- 11
1
vote
2
answers
209
views
Using two lithium-ion batteries to power three separate components with buck converters [closed]
I'm trying to use two 7.4 V two lihtium-ion bateries connected in series to power an Arduino Due, a Buslinker, and two L298N motor drivers.
In series, the total voltage would be 14.8 V.
The 14.8 V ...
- 11
4
votes
5
answers
2k
views
How to power a 24 VAC pump with 24 VDC?
I want to power a 24 VAC vibration pump (48 W 50/60 Hz, often used in coffee machines), and control it with a microcontroller. I've got an existing system that is powered with 24 VDC. A standard DC-DC ...
- 71
0
votes
1
answer
103
views
Can't figure out how to make my L298N work within my circuit
So I've been trying to use an L298N driver.
(Link to the one I bought: https://www.velleman.eu/downloads/29/vma409_a4v01.pdf)
And I've been utterly incapable of making it work. At first, it was built ...
- 1
2
votes
4
answers
2k
views
Why does the L298N schematic supply Vcc to diodes?
I have been studying the L298N motor driver module to re-implement it as an exercise to learn PCB design. Something I am confused by in the schematic of the module is why Vcc is supplied to the diodes ...
- 159
0
votes
0
answers
137
views
Feedback On Schematic
I'm a beginner when it comes to PCB design and I'm looking for design feedback for my schematic which I've created in KiCad.
The idea is straightforward: I want to individually control 4 DC motors ...
- 159
0
votes
1
answer
102
views
DC blinds motor controlling
Wanting to have a motorized blinds connected to my smart home and never have it done before I would like to double check several potentially obvious questions...
First of all, the blinds manufacturer ...
- 3
1
vote
1
answer
97
views
Dual brushed motors digital controller works on only one side
I'm actually developing a way to control, digitally, the speed of brushed motors with a Raspberry Pi.
To do so, I use the following diagram where:
The raspberry controls the shift registers (purple) ...
- 63
0
votes
1
answer
179
views
PWM solid state relay output not well modulated with inductive load
I am attempting to control the current through a generator rotor by adjusting PWM input to a DC to DC solid state relay (SSR), specifically a TWTADE SSR-40DD.
The power supply for the output side of ...
- 11
1
vote
1
answer
626
views
Motor rotates well in one direction but runs slower in other with L298N and L293D [closed]
I connected two motors with an L293N driver. When I control it with my joystick, one motor works fine (Out 1 and 2 of driver). It rotates in one direction and the other very smoothly.
The problem ...
- 41
4
votes
1
answer
461
views
L298N constant output power
I have assembled the motor driver circuit using L298N seen below, hoping that it would work without any problem. For some reason that I do not understand, the output power is constant. I say constant ...
- 53