Android Arduino Control: ESP8266 IoT ThingSpeak Control RelayESP8266 ThingSpeak IoT Control http://androidcontrol.blogspot.com/2016/05/esp8266-iot-thingspeak-control-relay.html
Introducing Pebl® – the ultimate and complete IoT solution
Hello IoT’ers! We’re very excited to share our new IoT device with you! We’ve created a secure, affordable and universal IoT gateway device for use by anyone, to control anything, from anywhere! It’s called the Pebl. Fingoti want to explore Read More
C Compiler Short Circuit
A C compiler like that found in the Arduino IDE can short circuit?????? Read on…. What do you think the output of String g is at each stage?? String g = “no”; int i = 10; i > 10 && Read More
Arduino Tutorial: Protocol Buffers using Messages and Strings
Introduction In this tutorial we will check how to use strings in our protobuf messages, using Nanopb and the Arduino core, running both on the ESP32 and on the ESP8266. Please check the previous tutorial for a detailed explanation on Read More
Arduino Tutorial: Protocol Buffers
Introduction In this tutorial we will learn how to get started using Protocol Buffers with the Arduino core. In this introductory example, we will check how to declare a message type and how to encode it. This tutorial was tested Read More
Arduino Tutorial: Using the TRACE macro
Introduction In this tutorial we will learn how to use the TRACE macro of the ArduinoTrace library to help debugging our programs. This library can be downloaded from the Arduino IDE library manager, as explained in more detail in this Read More
Arduino Tutorial: Debugging with the ArduinoTrace library
Introduction In this tutorial we will learn how to get started using ArduinoTrace, a tracing library that is aimed at debugging Arduino programs. This library was created by Benoît Blanchon, which is also the author of ArduinoJson, an awesome JSON Read More
Arduino Tutorial: Printing numbers to serial in different bases
Introduction In this tutorial, we will check how we can print numbers to the serial port using different bases, more specifically in binary, octal and hexadecimal. The code we are going to see below will be very short and simple Read More
Make your state variables survive (unexpected) reboots
Reset is a real PITA… We all know how often an ESP8266 project can get a little messy if our beloved ESP does an unexpected reboot. Reasons for that can be power supply issues oder watchdog errors or even other Read More
Bitcoin Integration Library for Arduino and ESP8266 AKA ‘Koyn’
We @Elkrem.io built a bitcoin library -AKA Koyn- with a simple and easy to use API that allows you to connect your hardware with the bitcoin network. You can find the library here Library Documentation We also built a vending machine that Read More