All Questions
Tagged with pulse microcontroller
22
questions
0
votes
2
answers
119
views
Double pulse generation
I want to generate a double pulse with an initial delay of 50us (initial delay is power-up delay time for the gate driver IC.) The first pulse should be of 1.2 micro seconds and then off for 0.7 ...
- 275
1
vote
0
answers
192
views
Pulse generation using Timer counter in ATMEL SAM3x8e Arduino Due
I am using the ATMEL SAM3x8e chip on an Arduino Due. I want to generate two pulses of frequency 100 kHz of the pattern shown below (1 period shown). For this I used TIOA8 and TIOA0 lines in the ...
- 406
0
votes
0
answers
98
views
How I can read optical encoder pulses on High RPM
I am working on a project in which I am using two DC motors with encoder but after certain speed ( my DC motor operating voltage is 24 V but when I give it more than 15V )my MCU CC1350 start missing ...
- 65
1
vote
1
answer
156
views
PIC 18F4550 capture mode
I would like to measure a pulse using the PIC 18F4550 in capture mode. This pulse is generated by the PIC microcontroller itself.
For this, I use a function which plays the role of the XOR logic gate (...
- 11
0
votes
0
answers
74
views
Interrupt trigger on presence of a pwm signal
In order to detect the presence of a pwm signal using a microcontroller from an external sensor (an interrupt), say the sensor is a hall sensor rotary encoder that is used to count the number of ...
- 63
1
vote
1
answer
259
views
How to limit pulse duration?
I'm trying to design automotive-oriented circuit to limit ignition pulse duration from OEM ECU to an aftermarket ECU plug-in device. The device expects +12v pulses no longer than 9ms, while the car in ...
- 25
0
votes
1
answer
1k
views
Generate a fixed number of pulses on the STM32F4 PWM
I am trying to control a servo motor (link). It is a brushless DC motor with an interface similar to a stepper motor.
The motor rotates for a defined distance based on the number of pulses it ...
- 583
0
votes
2
answers
98
views
Arduino - Not outputting 2 separate signals
I’m trying to get an Arduino to output 2 signals with different frequencies for a project.The schematic of the circuit is shown below.
I’m trying to experiment using Pulse Width Modulation to give me ...
- 281
2
votes
0
answers
366
views
Pulse skip modulation vs Phase cutting for AC inductive loads?
What is preferred and safe mode for controlling power to an Inductive AC load when driven by a Triac?
I am using a microcontroller with zero crossing optocoupler to drive the control signal and the ...
- 207
0
votes
1
answer
261
views
Generating sinewave from a pulse train by using a micro-controller
I want to create sine waves from 0.1Hz to 10Hz which are controlled from a software. For that I thought I can use micro controller as an interface between the PC and the sine wave signal.
But if I ...
- 2,217
0
votes
1
answer
157
views
Why does SHT21 sensor generate pulses on SDA line?
I am interfacing a MSP432 microcontroller with a SHT21 sensor. The I2C bus contains only these two devices and has 2k2 pull-ups.
The problem is that the sensor continually generates impulses on SDA ...
- 347
0
votes
2
answers
90
views
Problems with a passive network setup used with a microcontroller
Here is the circuit in my mind before I ask my question:
The microcontroller outputs 0..5v pulse train at 3kHz.
First of all, the setup between the points A and X needs to be fed by a 3kHz ...
- 4,333
0
votes
1
answer
325
views
Ambient Light cancellation on Pulse Oximeter
I'm trying to build a pulse oximeter using TSL2305 LTF sensor and 2 LEDs(Red and IR).
The desired graph expected from the light are plotted correct but I want to know whether there should be any ...
0
votes
1
answer
426
views
Pulse Oximeter signal processing
I'm trying to make a pulse oximeter using IR Light,Red Led and a Light to frequency converter with STM32L4 Controller and Timer Input Capture.
The wavelength input of both the lights gives a similar ...
-1
votes
2
answers
732
views
How to make current pulses
I want to make current pulses; the intensity of the pulses must go up slowly during a period of time until it reaches a maximum value.
I have thought of using a microcontroller to make voltage pulses ...
