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Results tagged with python
Search options not deleted user 17669
Python is a general-purpose, dynamically typed, object-oriented high-level programming language. Interpreters for versions 3.x and 2.x come installed on the Raspberry Pi's most popular operating system distributions.
2 votes
Connecting multiple light sensors to one port
The short answer: no. A GPIO port is a collection of pins. I assume you mean a single pin. A pin can only take one input or output one value. So you could connect multiple LEDs in series to one pin, …
- 757
3 votes
Accepted
can i build a cheap linear actuator
Then connect the control pin of the relay to GPIO (and make sure the grounds are connected together) and use Python (or another language with a GPIO library) to change the state of the relay Let me know …
- 757
2 votes
1 answer
3k views
Can't PWM LED on pin 18
EDIT: Here is the code I modified it off, when I run this (sudo python candle_light.py) it flickers as described. #! … /usr/bin/env python # Import the modules used in the script import random, time import RPi.GPIO as GPIO # Assign the hardware PWM pin and name it led = 18 # Configure the GPIO to BCM and set it to output …
- 757
2 votes
Accepted
Can't PWM LED on pin 18
I found the answer, simple mistake - I was missing a pwm.start(int) before using the pwm variable. The working code should look like this: GPIO.setmode(GPIO.BCM) GPIO.setup(led, GPIO.OUT) GPIO.outpu …
- 757