jimf99

console.log('Client-side code running');

const button = document.getElementById('myButton');
button.addEventListener('click', function(e) {
  console.log('button was clicked');

  fetch('/clicked', {method: 'POST'})
    .then(function(response) {
      if(response.ok) {
        console.log('click was recorded');

hugodahl

#include "MeMegaPi.h"
#include "Arduino.h"
#include "SoftwareSerial.h"


// Define the pins/outputs that map to the individual motors
#define WHEEL_LF = PORT2B   // Set to the pin for LEFT FRONT wheel
#define WHEEL_RF = PORT1A   // Set to the pin for RIGHT FRONT wheel
#define WHEEL_LR = PORT2A   // Set to the pin for LEFT REAR wheel
#define WHEEL_RR = PORT1B   // Set to the pin for RIGHT REAR wheel

Redstone-RM

Arduino Nano RP2040 Connect and micro-ROS

Goals:

Step 1. To get the board working with PlatformIO in VSCode with the micro-ROS Arduino library installed.

Step 2. Flash an example micro-ROS publisher app to the hardware.

• This is a mashup of the tutorials micro-ROS applications Linux and Arduino Teensy https://micro.ros.org/docs/

Integralist

The following examples are written from the perspective of an engineer who writes code using the Go programming language, and so you'll find that I've written notes about how Rust is different and I don't really cover the why or how of the example Go code. Additionally, the Go examples are far from exhaustive because I'm using this as a 'scratch pad' for my Rust learnings.

• Error Handling
• Structs
• Interface

Error Handling

Go example

MarcoCiaramella

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;

laemmy

# -*- coding: utf-8 -*-

import sys

# Convert latitude and longitude to Maidenhead grid locators.
#
# Arguments are in signed decimal latitude and longitude. For example,
# the location of my QTH Palo Alto, CA is: 37.429167, -122.138056 or
# in degrees, minutes, and seconds: 37° 24' 49" N 122° 6' 26" W
#

aerrity

console.log('Client-side code running');

const button = document.getElementById('myButton');
button.addEventListener('click', function(e) {
  console.log('button was clicked');

  fetch('/clicked', {method: 'POST'})
    .then(function(response) {
      if(response.ok) {
        console.log('click was recorded');

prasanthj

Notes to make IR shield (made by LinkSprite) work in Raspberry Pi 3 (bought from Amazon [1]). 
The vendor has some documentation [2] but that is not complete and sufficient for Raspbian Stretch. 
Following are the changes that I made to make it work.

$ sudo apt-get update
$ sudo apt-get install lirc

# Add the following lines to /etc/modules file
lirc_dev
lirc_rpi gpio_in_pin=18 gpio_out_pin=17

PhirePhly

// YouTube Channel View Counter
// Kenneth Finnegan, 2017
//
// Given a WiFi SSID + password, and YouTube API key + channel ID, displays the
// current total views count on an attached MAX7219 eight digit display

#include <YoutubeApi.h>
#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h>

chrisveness

/**
 * Encrypts plaintext using AES-GCM with supplied password, for decryption with aesGcmDecrypt().
 *                                                                      (c) Chris Veness MIT Licence
 *
 * @param   {String} plaintext - Plaintext to be encrypted.
 * @param   {String} password - Password to use to encrypt plaintext.
 * @returns {String} Encrypted ciphertext.
 *
 * @example
 *   const ciphertext = await aesGcmEncrypt('my secret text', 'pw');