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@actuino
actuino / bt_speaker-raspberry_pi-zero_w.md
Last active December 30, 2024 06:10
Setting up a Bluetooth Speaker from the command line on a raspberry Pi Zero W

The setup of a bluetooth speaker on a Pi Zero W is pretty touchy.

Please get in touch via Twitter @actuino or http://www.actuino.fr/ if you've got comments or improvements to this quick draft.

First checks

  • Use a solid power source
  • check the speaker works on another hardware (android phone f.i.)
  • make sure you've updated your Raspbian, install and run rpi-update just in case.
@kashimAstro
kashimAstro / README.md
Last active May 5, 2021 17:47
H3 / Mali GPU driver and openframeworks armv7 ES / ES2

#A small guide to compile openFrameworks armv7 with driver OpenGL ES / ES2 sunxi for H3 / Mali GPU on ARMBIAN OS, compatible with orangepi and bananapi.

tested on: orangepi one banana pi M2

dependencies:

apt-get install libx11-dev libxext-dev xutils-dev libdrm-dev \ 
           x11proto-xf86dri-dev libxfixes-dev x11proto-dri2-dev xserver-xorg-dev \
 build-essential automake pkg-config libtool ca-certificates git cmake subversion
@onetransistor
onetransistor / dream_install.sh
Last active July 27, 2023 19:48
Script to compile and install Dream DRM receiver software on Ubuntu
#!/bin/bash
# *** Script to compile and install Dream DRM receiver software on Ubuntu
# *** and other APT based distros.
# *** More at: http://onetransistor.blogspot.com/2015/12/compile-install-dream-drm-linux.html
# *** based on instructions at: http://drm.sourceforge.net/wiki/index.php/Building_on_apt_based_distros
set -e
QMAKE_EXEC=qmake-qt4
@hfreire
hfreire / qemu_osx_rpi_raspbian_jessie.sh
Last active February 4, 2025 00:47
How to emulate a Raspberry Pi (Raspbian Jessie) on Mac OSX (El Capitan)
# Install QEMU OSX port with ARM support
sudo port install qemu +target_arm
export QEMU=$(which qemu-system-arm)
# Dowload kernel and export location
curl -OL \
https://github.com/dhruvvyas90/qemu-rpi-kernel/blob/master/kernel-qemu-4.1.7-jessie
export RPI_KERNEL=./kernel-qemu-4.1.7-jessie
# Download filesystem and export location
@JasonGhent
JasonGhent / pi_qemu.sh
Last active March 24, 2024 14:36
OSX raspberry pi emulation via QEMU. v2 attempt @ https://gist.github.com/JasonGhent/922f38f57c8cb77b10f3
# pulled from http://xecdesign.com/qemu-emulating-raspberry-pi-the-easy-way/
# expanded via http://superuser.com/questions/690060/how-to-enable-network-with-a-raspberry-pi-emulated-on-qemu
# tested with 2015-02-16-raspbian-wheezy.zip on OSX Mavericks
# OSX terminal
brew install qemu
# kernel-qemu is a linux kernel compiled with ARM1176 support.
# learn more here: http://xecdesign.com/compiling-a-kernel/
curl -OL http://xecdesign.com/downloads/linux-qemu/kernel-qemu
curl -o raspbian_latest.zip -L http://downloads.raspberrypi.org/raspbian_latest
@NT7S
NT7S / Si5351A_PSK.ino
Last active April 23, 2023 19:53
Generate PSK31 with an Si5351A
#include <si5351.h>
#include "Wire.h"
Si5351 si5351;
uint16_t varicode[] =
{
0b1010101011000000, // 0 NUL
0b1011011011000000, // 1 SOH
0b1011101101000000, // 2 STX
/* Drop all non-system stored procs */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
EXEC (@SQL)
@berezovskyi
berezovskyi / sqlreset.sql
Last active March 21, 2023 07:59
this script cleans all views, SPS, functions PKs, FKs and tables. Author: http://stackoverflow.com/a/1473313/464590
/* Drop all non-system stored procs */
DECLARE @name VARCHAR(128)
DECLARE @SQL VARCHAR(254)
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
EXEC (@SQL)
@rvagg
rvagg / README.md
Last active February 24, 2025 11:41
Kindleberry "Paperwhite" Pi

Work in progress, I'll write this up properly when I'm done.

Almost all credit goes to @maxogden for putting me on to this and pointing me in the right direction for each of these items.

Prerequisites:

  • Raspberry Pi
  • Kindle Paperwhite freed from its locked down state (jailbroken) http://www.mobileread.com/forums/showthread.php?t=198446
    • You have to downgrade your Kindle to 5.3.1 to install the current jailbreak; that's just a matter of getting the old version image, putting it on your Kindle via USB and telling it to install "upgrade". Then you put in the Jailbreak files, load the ebook and break.
  • Your kindle will be quick to detect an upgrade is available so it'll want to upgrade soon afterwards but the jailbreak will last but you have to reinstall the developer certificates so it's a bit of a pain but doable. Find all the instructions on the mobileread.com forums and wiki.
@freespace
freespace / gist:2585921
Created May 3, 2012 14:14
Backup of some arduino code to handle OV7670
#define SIO_C 2
#define SIO_D 4
#define SIO_CLOCK_DELAY 100
void setup()
{
pinMode(8,OUTPUT);
// while(1)
// {