We are going to use digital signatures to add security to our system. If you want to learn more about how to use the Cryptographic Co-processor, check out this tutorial and video. These will show you the fundamental ideas behind digital signatures, walk you through how to setup each co-processor. For the secure garage door opener example…
Numerical control(also computer numerical control, and commonly called CNC) is the automated control of machining tools (drills, boring tools, lathes) and 3D printers by means of a computer. A CNC machine processes a piece of material (metal, plastic, wood, ceramic, or composite) to meet specifications by following a coded programmed instruction and without a manual…
Making a great many things is very easy with Arduino microcontrollers. This Instructable tells you how to create a simple 1-button video game made from a handful of parts and Tinkercad Circuits. It is a side-scrolling jumping game. This serves as a good starting point for creating your own games from simple maker electronics. …
Let there be light! In this tutorial we’ll build a basic magnetic levitator. This guide will go over some of the theory, how to use a magnetic field sensor, and how to use one to build a basic levitation circuit. Finally, we’ll go a bit further and build a wireless power floating light. …
Often when designing Data acquisition systems, such as plant health monitoring in which case, the sensors are placed on-site, knowing the weather conditions may help in predicting the behaviour of other data and changes in physical requirements, if any. The project involves the design of an IoT based solution to monitor the data obtained from…
RePhone is an open source and modular phone kit. With Rephone you can: 1.Create your own phone in minutes with the slim MODULES, accessible SOFTWARE, and customizable Phone Enclosures. 2.Hack anything around you, giving inanimate objects the power of cellular communication. Have a conversation with your pets, plants, toys, motorcycle helmets, robots, or drones through RePhone’s GSM and…
Design a laser cutter and make the building process repeatable for others. The result is an affordable and easy to maintain system for everybody. Laser cutters are traditionally expensive ($30,000 to as much as you can spend) and there are a lot of artist, hackers, architects, designers, DIYers who could do great things with them-…
You might have a baby/dog/hamster that you want to keep an eye on when you’re not there. We understand: they’re lovely, especially hamsters. Here’s how HackSpace magazine contributor Dr Andrew Lewis built a Raspberry Pi baby cam to watch over his small creatures… More info
[Giovanni Bernardo] has a very important job – managing the audio for several Christmas events. Desiring a simple and effective control interface, he designed a dedicated media keyboard to run the show. The project began with an Arduino Leonardo, commonly used in projects that aim to create a USB Human Interface Device. [Giovanni] then installed the…
There are a wide variety of temperature sensors compatible with Arduino, ESP32, ESP8266 and other development boards. So, it can be difficult to to pick up the most suitable sensor for your project. In this article, we’ll compare 6 widely used temperature sensors: DHT11, DHT22, LM35, DS18B20, BME280 and BMP180. More info
In this project, you’ll build a sensor monitoring system using a TTGO LoRa32 SX1276 OLED board that sends temperature, humidity and pressure readings via LoRa radio to an ESP32 LoRa receiver. The receiver displays the latest sensor readings on a web server. More info
If you’re experimenting with the Pi as a desktop replacement, want to enable a physical print output for a program or application suite you’re using, or otherwise want to enable traditional printing on your Pi, this tutorial is a straight shot from printerless to happy printing; there’s no previous printer-wrangling under Linux experience required….
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