nilmtk/nilmtk A Raspberry Pi controlled mini CNC Laser engraver [keep updating] I recently made a mini CNC laser engraver using two DVD drives salvaged from old computers and <$10 extra parts bought on eBay. The controller of the CNC machine is a Raspberry Pi, a $35 credit card size computer. The engraver turns out to be pretty successful. So I am sharing it with everyone. There have been a lot of examples people using Arduino to control CNCs. I am taking a different approach by using a RPi ( reason why I choose Raspberry Pi is: it is a much more powerful device than Arduino; it supports complete OS; the GPIO pins can be controlled by python, a more intuitive and simpler language than C (the disadvantage of python would be the slow speed); I don't have to buy a separate controller for this project--I can use a single Raspberry Pi to do a lot of different things without reloading firmware. Also, there are projects people running LinuxCNC on Raspberry Pi and use an external PIC 32 board to control CNC. First, some pictures. 4. 2.
Ace - The High Performance Code Editor for the Web Open Energy Monitor Raspberry Pi – Stabiler 24/7 Dauerbetrieb › Datenreise Die Leistung des Raspberry Pi ist für viele Serveraufgaben vollkommen ausreichend. Aufgrund des minimalen Stromverbauchs von ca. 3,5W liegt es daher nahe den Minirechner im 24/7 Dauerbetrieb einzusetzen. Für einen stabilen Dauerbetrieb müssen jedoch gewisse Punkte beachtet werden. Zuverlässiges Netzteil Eine wichtige Komponente für den stabilen Betrieb des Raspberry Pi ist das Netzteil. Welches Netzteil für den Raspberry Pi? Der Raspberry Pi benötigt ein Netzteil mit mindestens 700mA. Samsung USB-Ladegerät U90EWE, 2000mA / 10W (ca. 10 EUR)Apple USB Power Adapter MD836ZM/A, 2400mA / 12W (ca. 18 EUR) Kühlkörper Obwohl der Raspberry Pi bei Auslieferung über keine Kühlkörper verfügt, stellt dies für den Normalbetrieb aufgrund der geringen Wärmeentwicklung kein Problem dar. Kühlkörper für Raspberry Pi (3er Set passive Kühler)ZM RHS1 – Wärmeverteiler für Speicher Lebensdauer der SD-Karte verlängern HINWEIS: Alle nachfolgend genannten Maßnahmen müssen im Einzelfall entschieden werden. Um z.B.
bortels/tedit-app BeagleBoard.org - community supported open hardware computers for making Camera Module Lens Modifcation - SingletonMillerWiki The purpose of this project is to replace the stock lens assembly of the Raspberry Pi Camera Module with a larger lens. The aim is to increase the be able to fit other lenses and filters in order to modify the field of view and waveband of operation. Overview Parts Required Raspberry Pi Camera Module [1] any 1/3rd inch CCTV camera lens [2] Tools Required. 1mm Jewelers screwdriver 4mm Jewelers screwdriver Fine nosed pliers or good tweezers Craft Knife ESD mat and strap. 1mm single core wire ESD Hazard The Raspberry Pi camera module is a sensitive electronic component and will be suceptable to ESD [3]. Step by Step Before you start you need to know if you want to remove the stock Infra-Red blocking filter in your camera or not. Removal of the Basic Lens Lens Mount Modification Near Infra Red modification Proceed as per the basic modifcation only remove the NIR filter as follows. Add a Visible Blocking Filter References
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Flyport | openPicus | Internet on Things Why FlyportPRO SoM? A system-on-module is the best solution for those customers looking for flexibility and for development time and risk reduction. FlyportPRO is already installed in tens of thousands of professional devices around the world and you can rely on our professional support during development. How to create your next IoT/M2M product? Easy, just designing a simple carrier board for it you get three different products. Embedded development made easy We provide you a powerful IDE, for free. Connectivity features Web server, HTTP server (only on Wi-Fi/GPRS versions) HTTP Client FTP Client SMTP, SNTP FOTA firmware upgrade over the air (only on Wi-Fi/GPRS versions) SSL/TLS security FlyportPRO pinout 60 pins are available for your application.