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Tesla Key Card Protocol

Researched by Robert Quattlebaum darco@deepdarc.com.

Last updated 2020-02-03.

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Using OS X as a Syslog Server

This document describes how to set up an OS X to be a syslog server that logs messages from the local network. It was largely meant for my own purposes so that I don't forget what I did, but feel free to use it for your own purposes.

A problem with just "turning this on" is that you will not see the correct hostname in the syslog entries. What we will do is use

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Original "dumb" smoke detector interconnect sounds the siren on all interconnected smoke detectors when a 9-to-12 volt (referenced to neutral/white) direct-current signal is continuously present on the signal wire (red). This still how pretty much all interconnected smoke alarms indicate a fire condition.

However, modern interconnected detectors are capable of detecting carbon monoxide and other conditions. When these conditions are signaled, they must be identified as something other than a smoke alarm by the other detectors. Ideally, any dumb smoke detectors

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Hacking the Rectangular Starlink Dishy Cable

These are are some notes I put together on butchering the rectangular dishy cable.

FOLLOW THESE GUIDELINES AT YOUR OWN RISK. I TAKE NO RESPONSIBILITY FOR ANY DAMAGE OR INJURY YOU SUSTAIN FROM FOLLOWING OR NOT FOLLOWING THESE GUIDELINES.

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# PIO-based GE-ColorEffects driver for MicroPython on RP2
# MIT license; Copyright (c) 2023 Robert Quattlebaum

import array, time
from machine import Pin
import rp2
import machine

# Pin 15 is the default on the [pimoroni plasma stick][1].
#

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3D Printing with Nylon Trimmer Line

Disclaimer

All of this information is provided AS IS, with no warranty or guarantee of accuracy. A good-faith effort has been made to ensure this document was accurate at the time it was written, but YOU ASSUME ALL RISK BY FOLLOWING ANY ADVICE BELOW.

Introduction

Nylon is a strong and impact-resistant thermoplastic that is used

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# Use like:
# 
# ```
# openssl req -x509 -nodes \
#         -days 3650 \
#         -newkey rsa:2048 \
#         -keyout /etc/ssl/private/host.key.pem \
#         -out /etc/ssl/certs/host.crt.pem \
#         -config self-signed-cert.cfg
# ```

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-----BEGIN DH PARAMETERS-----
MIIBCAKCAQEAq5/y4YW0hozeF0bQw86uDaDO0o+68DjAch61bc3nwyVC77e6JYUT
5F9x+mn9j25KhbcNGBcZvO/TFHsPf4bx4fojNKD2T5nZATJRtGuepnyjz5XEpPe2
ojAsjYpPg/0HZou/tyPM1OGTi5qlVUHa+GHrpX5419NDdOCU5IRr1kkIOMaT7+co
OFAlGCr8fiLTArGWbZDed3N0EvXE1JaIlOmQmVxLP8EycZsbjnCWB9b7DfQW2TeB
9Qp3PjfpAH/VPc3xrMqrXLlGR3h6PA5FfanN2e1XWISOYQe9N/K5uN6lze+HoAk6
Kusp+bLFxWX5EDxK1XXW+4L5JwNwUDMZCwIBAg==
-----END DH PARAMETERS-----

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Apple Remote IR Code

This document covers the old white apple remote.

• Carrier: ~38KHz
• Start: 9ms high, 4.5ms low
• Pulse width: ~0.58ms (~853Hz)

Uses pulse-distance modulation.

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pbpaste | tr '\t' '|' | sed 's/\(.*\)/|\1|/' | pbcopy