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@slawekzachcial
slawekzachcial / aws-sigv4-ssm-get-parameter.sh
Last active November 24, 2025 02:55
Using CURL to call AWS ReST API, signing request with v4 signature
#!/bin/bash
# Source: https://docs.aws.amazon.com/general/latest/gr/sigv4-signed-request-examples.html
[[ -n "${AWS_ACCESS_KEY_ID}" ]] || { echo "AWS_ACCESS_KEY_ID required" >&2; exit 1; }
[[ -n "${AWS_SECRET_ACCESS_KEY}" ]] || { echo "AWS_SECRET_ACCESS_KEY required" >&2; exit 1; }
readonly parameterName="SlawekTestParam"
readonly method="POST"
@gbaman
gbaman / HowToOTGFast.md
Last active August 7, 2025 16:36
Simple guide for setting up OTG modes on the Raspberry Pi Zero, the fast way!

Setting up Pi Zero OTG - The quick way (No USB keyboard, mouse, HDMI monitor needed)

More details - http://blog.gbaman.info/?p=791

For this method, alongside your Pi Zero, MicroUSB cable and MicroSD card, only an additional computer is required, which can be running Windows (with Bonjour, iTunes or Quicktime installed), Mac OS or Linux (with Avahi Daemon installed, for example Ubuntu has it built in).
1. Flash Raspbian Jessie full or Raspbian Jessie Lite onto the SD card.
2. Once Raspbian is flashed, open up the boot partition (in Windows Explorer, Finder etc) and add to the bottom of the config.txt file dtoverlay=dwc2 on a new line, then save the file.
3. If using a recent release of Jessie (Dec 2016 onwards), then create a new file simply called ssh in the SD card as well. By default SSH i

util = require('util');
Interpreter = require('gcode').Interpreter;
var GCodeAnalyzer = function() {
Interpreter.call(this);
this.x = 0.0;
this.y = 0.0;
this.z = 0.0;
this.min_dist = 100000000000;
@yoggy
yoggy / SerialPort.cpp
Created August 11, 2012 10:58
SerialPort class sample using boost::asio::serial_port
#include "StdAfx.h"
#include <Setupapi.h>
#pragma comment(lib, "Setupapi.lib")
#include "SerialPort.h"
SerialPort::SerialPort(void) : end_of_line_char_('\n')
{
}