The Raspberry Pi is a low cost, credit card sized, ARMv6 instruction set based PC device developed by the Raspberry Pi foundation.
4
votes
2answers
46 views
Bash script for setting up a LAN to WLAN router
I wrote a bash script for the Raspberry Pi 3 (Raspbian) which has the main task of setting up a LAN to WLAN router. In addition it makes some things nicer for the intended users who have Windows ...
4
votes
1answer
56 views
Raspberry Pi headless server using bash and USB automounting
Revised from: Bash scripts and udev rules to handle USB auto mounting / unmounting
Tested:
Uses USB insert/remove to control a headless Raspberry Pi 3 with Raspian Jessie Lite
Changes:
Implement ...
2
votes
1answer
60 views
Bash scripts and udev rules to handle USB auto mounting / unmounting
Very new to Raspberry Pi and bash, but working on a headless server that will run a streaming app from USB audio card.
The plan is to take a USB card with settings file, and when inserted, the usb ...
9
votes
1answer
76 views
Pillow-based basic GUI library for an LCD
I am working with an LCD screen and an RPi. The library I use sends 1-bit images to the screen, so I wrote this library based on Pillow to help developing the on-screen GUI. I am playing with the ...
6
votes
3answers
133 views
Pausing a loop with a Raspberry Pi 3
I am trying to perform a loop and then stop the loop when the last line of code in the if statement is printed to screen saving on CPU cycles.
I want to start a <...
3
votes
0answers
70 views
Serving images from a Raspberry Pi camera over HTTP
I have a Pi with a camera module that I control with python.
I created a web server with web.py that allows me to make HTTP requests to the PI to retrieve an image. There are two optional parameters ...
1
vote
0answers
101 views
Multithreaded MJPG network stream server
I'm a bit of a neophyte when it comes to C++, and so I'd like some feedback regarding a recent project.
The code sits on a Raspberry Pi and streams camera data over TCP on a specified port.
The ...
2
votes
1answer
83 views
RPi script to periodically collect data from Arduino through serial port
I'm not used to Python.
The script opens serial communications with an Arduino unit and send commands to and receives information from the Arduino. It is intended to run indefinitely until the system ...
3
votes
1answer
98 views
Building thermostat state machine in Python
I used a Raspberry Pi and Adafruit LCD with buttons to build a small thermostat for my house.
This is the hardware I used to you can imagine how the button and the code work:
https://www.adafruit.com/...
6
votes
3answers
122 views
Raspberry Pi Safe Clean Up - the decorator way
Yesterday, I've come up with the idea of using python context manager to ensure cleanup available here. This time I am using that context manager to make a ...
4
votes
3answers
376 views
NTP Clock on a Raspberry Pi
I've been tinkering around with making a fancy clock on a Raspberry Pi B. This little application will sync the Pi's time with an NTP server, then display it using ...
7
votes
1answer
124 views
Raspberry Pi GPIO safe clean up
We are always told to call GPIO.cleanup() before we exit our Pi programs. I've seen people using try ... catch ... finally to ...
5
votes
3answers
277 views
Web server to switch GPIO pin
I am running a simple Python webserver to toggle a GPIO pin
on a Raspberry Pi. All seems to work well, but I have a few
questions about my code (see below).
I am using the ...
1
vote
2answers
143 views
Arduino microcontroller based event handler program, send sensor readings over serial bus
I am working on a project with an Arduino microcontroller and a Raspberry Pi. The code will have to do the following:
If the variance calculated of the ultrasonic sensor detections exceeds 1000, a ...
10
votes
3answers
236 views
Getting funky with Pi
Push a button and an LED lights up1 and sends a signal to another computer that plays a song.
First project on the Raspberry pi, really simple but definitely fun and educational to implement. Also, ...
4
votes
1answer
181 views
Controlling motors using USB serial connection from Raspberry Pi to Arduino
I am working on building an RC car/robot with Raspberry Pi and Arduino. I connected Arduino to Raspberry Pi using USB and send serial commands with python. I haven't done much programming with ...
8
votes
2answers
131 views
Backup Linux system to web
First I create a .tar of the root directory with all the file permissions saved and excluding all irrelevant directories (are these the right folders to be ...
4
votes
2answers
98 views
Recognizing a sequence read through OCR software
I am trying to recognize a sentence that I have read through optical character recognition software. This code will eventually run on a Raspberry Pi.
I know for certain that it's meant to be one of a ...
10
votes
3answers
361 views
Speeding up spectrum analysis
I'm trying to speed up this code that loops over an entire spectrum range. It's using a Raspberry Pi, and a rtl-sdr dongle that covers up to around 1.7 GHz. My goal is to be sweep over that spectrum ...
4
votes
1answer
93 views
Remote control receiver for robot control
I have built an RC car and attached a Raspberry Pi to it - in order to control it, I wrote some Java code to listen to commands over the network and make the car move accordingly.
...
6
votes
2answers
563 views
Get external IP via email
I wrote a script for my Raspberry Pi that keeps checking my external IP. If it changes, the Raspberry Pi will send me the new IP via email.
Any suggestions for improvements?
...
4
votes
1answer
647 views
Websocket-based server for Raspberry Pi
I am trying to build a websocket server to run on the Raspberry Pi. The websocket server has to push periodic realtime update to a browser. Here is a sample code that I am planning to use. The example ...
8
votes
1answer
865 views
Weather station for a Raspberry Pi
Please tell me how I could have done this better. The code is here on Github.
...
3
votes
1answer
490 views
Small, embedded full-stack web server
I did this project last year, under some interesting constraints: it's a thin webserver which lives in a Raspberry Pi, which is networked to an embedded system in an industrial sign which is running a ...
9
votes
1answer
283 views
Touchless lightswitch with Raspberry Pi
I am currently developing a touchless lightswitch via a Raspberry Pi, an ultrasonic module and a nice radio module.
However, I am quite a beginner in Python and it was a hard time (at least for me) ...
5
votes
1answer
1k views
Raspberry Pi LED for new emails
I'm learning how to use Python with the Raspberry Pi. I successfully followed the tutorial for how to have a Python script run on the Pi to check for new email and turn on an LED if any new messages ...
4
votes
1answer
355 views
Ping Pong Pi - A Ping Pong score and serving manager
I have spent a few hours on this code, but think it could be improved a bit. It requires eSpeak to be installed to run the speech synthesis, but the voice can be toggled on or off using the ...
26
votes
4answers
7k views
Recording audio in C
Please note there are newer revisions of this code, one here, and one here for continuous audio recording.
This is a program I wrote as a .wav audio recording library for Linux. It was developed on ...
4
votes
1answer
304 views
Responding to serial input
This code for the Raspberry Pi board waits for serial input then plays an arrow with a sound and message. I'd like any constructive comments or suggestions.
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17
votes
3answers
933 views
Automatically turn on Computer from Raspberry Pi (based on user presence in home)
I know the code is full of useless data and stylistic and analysis errors and I'd really love and appreciate to have a pro's idea about it so I can learn to code (and think) better.
...
11
votes
1answer
10k views
Time and temperature displaying program for Raspberry Pi
This program displays either the time, current temperature, 12hr graph of temps, 24 hr graph of temp or a week's graph of temps. Selection is based on user input of one of the GPIO pins.
Please ...
