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sandikodev / BeagleBoneLinuxUBootFromScratch.md
Created February 24, 2021 17:44 — forked from eepp/BeagleBoneLinuxUBootFromScratch.md
Building U-Boot and Linux 3.11 from scratch for the BeagleBone, and booting

Building U-Boot and Linux 3.11 from scratch for the BeagleBone, and booting

BeagleBone image

Introduction

@sandikodev
sandikodev / emulator-install-using-avdmanager.md
Created February 23, 2021 20:04 — forked from mrk-han/emulator-install-using-avdmanager.md
Installing and creating Emulators with AVDMANAGER (For Continuous Integration Server or Local Use)

Install and Create Emulators using AVDMANAGER and SDKMANAGER

TL;DR

For generic skin emulator with default apis (without google apis):

  1. List All System Images Available for Download: sdkmanager --list | grep system-images

  2. Download Image: sdkmanager --install "system-images;android-29;default;x86"

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sandikodev / gsm-setup.md
Created February 23, 2021 10:07 — forked from heyalexej/gsm-setup.md
SIM Card Management Through GSM Modem On Linux

SIM Card Management Over GSM Modem

A small guide on how to send and receive USSD codes on Linux

I am using the built in GSM (UMTS) modem of my Thinkpad X1 extensively because I am often in places with flaky internet connections. I connect through the standard Network Manager on Ubuntu and everything works fine. There was one major annoyance though. Every time I wanted to top up the SIM balance or book a new package, I needed a phone to send and receive USSD codes. So I took some time to figure out how to do it from the shell. I wrote this down as a help for others and a reminder for myself. Without further ado...

First intsall gammu and picocom.

➜  ~  sudo apt-get install -y gammu picocom
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sandikodev / _Ping I2C Johnny Five backpack.md
Created February 15, 2021 16:01 — forked from soundanalogous/_Ping I2C Johnny Five backpack.md

Building an ultrasonic sensor backpack

Note: This is a bit of a scratch to see what's involved in getting the ping sensor to work as an I2C backpack.

Dependencies.

I did this on a Trinket as that's what I had to hand to make programming a bit faster. If you use a trinket you will need the custom arduino. Check out the Adafruit Trinket info https://learn.adafruit.com/introducing-trinket/introduction

You also need a custom form of the TinyWireS library that manages sending multiple registers on one read request (the

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sandikodev / ffmpeg4matelight.sh
Created February 9, 2021 01:17 — forked from MichaelKreil/ffmpeg4matelight.sh
using ffmpeg to stream videos, gifs, the webcam or the screen to matelight
# Stream a video
ffmpeg -re -i video.avi -vf "scale=40:ih*40/iw, crop=40:16" -f rawvideo -vcodec rawvideo -sws_flags bilinear -pix_fmt rgb24 - > /dev/udp/matelight.cbrp3.c-base.org/1337
# Loop a gif
ffmpeg -re -ignore_loop 0 -i image.gif -vf "scale=40:ih*40/iw, crop=40:16" -f rawvideo -vcodec rawvideo -sws_flags bilinear -pix_fmt rgb24 - > /dev/udp/matelight.cbrp3.c-base.org/1337
# Stream webcam
# Mac
ffmpeg -re -f avfoundation -r 30 -s 1280x720 -i "0" -vf "scale=40:ih*40/iw, crop=40:16, pp=autolevels:f, eq=1.5" -f rawvideo -vcodec rawvideo -sws_flags bilinear -pix_fmt rgb24 - > /dev/udp/matelight.cbrp3.c-base.org/1337
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sandikodev / OpenVPN Mikrotik with Certificates.md
Created February 4, 2021 17:07
@sandikodev
sandikodev / PlatformIO-vim.md
Created January 31, 2021 01:40 — forked from neta540/PlatformIO-vim.md

PlatformIO with Vim (neomake, clang, coc-vim, ale)

Requirements

PlatformIO

clangd

@sandikodev
sandikodev / secure-mailserver-postfix-dovecot-letsencrypt-debian-jessie.md
Created December 23, 2020 21:32 — forked from jkullick/secure-mailserver-postfix-dovecot-letsencrypt-debian-jessie.md
Secure Mailserver with Postfix, Dovecot and Let's Encrypt on Debian Jessie

Prerequirements

Config Options

export FQDN="mail.example.org"
export DOMAIN="example.org"
export MAILBOX="user"
export DEBIAN_FRONTEND="noninteractive"
export A_RECORD=$(curl -sSL https://icanhazip.com)
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sandikodev / simplified-super-grid.css
Created November 5, 2020 21:22 — forked from fzn0x/simplified-super-grid.css
Simplified version of super-grid.css
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.container {
width: 100%;
padding: 0 15px;
margin: 0 auto;
@sandikodev
sandikodev / base.css
Created November 5, 2020 21:22 — forked from zuramai/base.css
Base Responsive Flex CSS Without Bootstrap
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
body {
font-family: 'Poppins';
}
.row {
margin: 0 -15px;