Jolg42

var express = require('express');
var router = express.Router();
var _ = require('lodash');
var crypto = require('crypto');

var secret = 'MY_SECRET_PRIVATE_KEY';

router.post('/', function (req, res) {

    // Check User Agent

soundanalogous

/*
  Firmata is a generic protocol for communicating with microcontrollers
  from software on a host computer. It is intended to work with
  any host computer software package.

  To download a host software package, please click on the following link
  to open the list of Firmata client libraries in your default browser.

  https://github.com/firmata/arduino#firmata-client-libraries

ssalonen

Short how-to for creating a reverse ssh tunnel to a remote server. Useful for breaking NATted connection for example.

1. At OpenWrt:

opkg update
opkg install sshtunnel

2. At remote server: create client ssh keys

pdcastro

balenaOS in a libvirt / qemu / kvm virtual machine

Successfully tested with Ubuntu 20.04 as the host OS in 2 quite different "environments":

• Intel NUC machine (bare metal) on my desk.
• Google Cloud Compute Engine instance:
  • Instance type: 'n2-standard-2', 8GB RAM, 2 vCPUs (Intel Cascade Lake), 10GB disk
  • Nested virtualization enabled as per docs:
    • https://cloud.google.com/compute/docs/instances/nested-virtualization/overview
• https://cloud.google.com/compute/docs/instances/nested-virtualization/enabling