Raspberry Pi AD/DA Board Library for Window 10 IoT Core

I got myself a Raspberry Pi High-Precision AD/DA Expansion Board to be used in a Windows IoT Core C# application. The board has one 2-channel digital-to-analog converter chip (DAC8552) and a 8-channel analog-to-digital converter chip (ADS1256). All documentation provided by WaveShare was referring to Raspberry Pi running Linux and the source code examples was written in C, so I had to write my own library. ...

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Pi Wedge Hookup Guide

Introduction The Raspberry Pi seems to be popping up all over the place. It’s a small, inexpensive board with a lot of number-crunching capability. It can run a standard Linux distribution, and supports a lot of common Linux applications, including programming languages like C, C++and Python. This makes it very useful for tasks that need more horsepower than a small 8-bit microcontroller provides, or that c ...

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Pi Wedge B+ Hookup Guide

Introduction The Raspberry Pi B+ is the latest revision of the Raspberry Pi Linux Computer Board. Differentiating it from the older Model B, the B+ features an extended GPIO connector, with 40 pins, up from the Model B’s 26. [caption id="attachment_10584" align="aligncenter" width="600"] The Raspberry Pi B+[/caption] To match the rearranged connector, we’re introducing the Pi Wedge B+, a small board that co ...

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Raspberry with cam in birdhouse

First of all, I'm French and I apologize for my bad English. Before to start, I drew a plan for my birdhouse in order to build it. First, you can see my youtube video here: https://youtu.be/S3MB3YABeRU After, I decided to add a camera to see the bird life and perhaps the baby birds. I will describe how to add a raspberry and a camera in my birdhouse. EDIT 1st October: Good news, coming soon the temperature ...

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Raspberry PI I/O Breakout cable and plugboard adaptor

This is the second is a series of Instructables aimed at documenting all the electronics-related activities that go on at So Make It; Southampton Makerspace (on the South coast, UK) Requests are more than welcome! This simple Instructable intentionally goes into way too much detail, since it is aimed at the beginner end of hardware hacking. It will allow you to hook to the 26-way header on the older Raspber ...

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Portable Raspberry Pi (Retropie Handheld) Build Guide Part 1

This is a guide for making a portable handheld retropie system. this is only a guide, this is not really a detailed step by step how-to, although you will see how easy(or hard) it can be. this assumes you are not a beginner and you know how to do things like load a disk image onto an sd card. part of the reason for doing this was to try and make a portable pi project with no modifications to the pi itself a ...

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Boards – Breakout the Pi – I2C, UART, GPIO and More

This post will be one in a series for all the components available to literally break out the expansion ports from the Pi. This series will cover Breadboarding components to connecting the various Shields and plates that are designed specifically for the Pi. 1. Breakout Kits Breakout Kits are used to connect the Pi to a breadboard, which comes in handy when prototyping your electronics. There are a few Brea ...

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PCB designing and isolation milling using only free Software

In this Instructable I will show you how to design and fabricate your own PCBs, exclusively using free software that runs on Windows as well as on a Mac. Things you need: computer with internet connection cnc mill/router, the more accurate the better 45°/20° V-Bit 0.8mm drill bit 3mm endmill copper clad board double-sided adhesive tape Step 1: Get the software You need the following software: Fritzing Inksc ...

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Gertboard Open Collector Drivers: ULN2803APG

If you were wondering how to use the open collector drivers on the Gertboard version 1, then you have come to the right place. As shown in the diagram, the red area marked out is the open collector driver section. The ULN2803APG is a Darlington driver IC that provides eight sink drivers. If you are new to the concept of sinking current then the Current Sinking and Sourcing in TTL Circuits article might help ...

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RaspberryPi inputs: to poll or to interrupt

One of the best features of the RaspberryPi is the GPIO (General Purpose Inputs & Outputs). Reading the input levels on the GPIO is pretty easy, especially using Gordon's wiringPi library. But you need to think carefully about how best to do this in the software for your chosen project. The two basic options are either to poll an input, or to use an interrupt. polling an input RaspberryPi inputs can be ...

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