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Posts Tagged ‘library’

ZFM-20 fingerprint capture library

Friday, November 27th, 2015

Dilshan Jayakody  writes: This ZFM-20 fingerprint library is developed to capture and retrieve fingerprint images from the above sensor module. The main purpose of this library is to use ZFM-20 sensor with PC as low cost fingerprint capture unit and because of that, in-module fingerprint processing and verification functions are...

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Posted in library | 3 Comments »

DPA library for MCU

Thursday, November 5th, 2015

Ondřej Karas writes: A few months ago, I published post about DPA .NET Class. This article describes simple, but effective library used for DPA handling by MCU (UART interface). Published library is independent on the MCU family, but it was written for 32-bit ARM processors with Cortex-M3 core and GNU...

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Posted in library, software | 4 Comments »

MCP2221 HID Library

Monday, November 2nd, 2015

Zak Kemble writes, "This is a library for interfacing with the HID features of the MCP2221 USB to UART and I2C/SMBus serial converter from Microchip. The converter includes 4 GPIO pins, 3x 10-bit ADCs, 1x 5-bit DAC and more. Microchip does provide a library for interfacing with the chip, however it...

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Posted in library | No Comments »

A JTAG/XSVF library for Arduino

Wednesday, August 19th, 2015

Marcelo published a post on his blog about JTAG and the library he wrote. I have recently felt the need to incorporate a JTAG port in a project to program a hardware that contained a CPLD. The idea was to both program it and perform some integrity tests on the...

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Posted in Arduino, JTAG | 6 Comments »

PIC32 Tic-Tac-Toe: Demonstration of using touch-screen, TFT and the Protothreads threading library

Monday, August 3rd, 2015

Tahmid writes: I had previously used the Adafruit TFT display using my library (ported from the Adafruit Arduino library). I decided to optimize the library to improve drawing speed. The same display I use comes with a 4-wire resistive touch-screen as well. I decided to write a simple library for...

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Posted in PIC | No Comments »

Teensy audio library gets S/PDIF support

Thursday, July 2nd, 2015

Paul over at DorkbotPDX has written an article on Teensy Audio Library with S/PDIF support: Thanks to the amazing effort of Frank Boesing, the Teensy Audio Library now has native S/PDIF output. Using a $1 TOSLINK connector, or just a red LED, you can get optical S/PDIF digital audio output....

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Posted in library | 4 Comments »

Simple I2C SSD1306 driver for AVR

Wednesday, January 28th, 2015

Jean THOMAS of TiBounise writes: I wrote a small SSD1306 library for AVR, with a framebuffer. It even features a small simulator to let you have a preview of what it'll look like on the OLED screen without having to upload again and again code to your development board. The library...

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Posted in AVR, library | 2 Comments »

SPI Transactions in Arduino

Thursday, July 31st, 2014

Paul over at DorkbotPDX writes: For the last several weeks, I've been working on SPI transactions for Arduino's SPI library, to solve conflicts that sometimes occur between multiple SPI devices when using SPI from interrupts and/or different SPI settings. To explain, a picture is worth 1000 works. In this screenshot, loop()...

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Posted in Arduino | 1 Comment »

App note: Using the Microchip motor model library for Simulink

Saturday, June 28th, 2014

Using the Microchip motor model library for Simulink, app note here (PDF!): Microchip’s Motor Model Library is a set of components (“blocks”) that can be used with the Simulink® simula- tion tool from MathWorks®. These blocks are intended to allow engineers to model a system with Permanent Magnet Synchronous Motors (PMSMs) under...

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Posted in app notes | No Comments »

I2C using USI on the MSP430

Thursday, January 30th, 2014

Jan Rychter released a tiny library that implements an I2C master on MSP430 devices that only have the USI module on GitHub: I've released a tiny library that implements I2C master functionality for MSP430 chips that have the USI module (MSP430G2412 or MSP430G2452 are ones that I use often). The...

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Posted in library, MSP430 | No Comments »

A DS1307 library for AVR Atmega

Wednesday, December 18th, 2013

Davide Gironi has posted a DS1307 library for AVR Atmega: The DS1307 serial real-time clock (RTC) is a low-power, full binary-coded decimal (BCD) clock/calendar. This library set and get year, month, day, hour, minute and second from this RTC. Setup parameters are stored in file ds1307.h This library was developed on...

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Posted in AVR, library | 2 Comments »

First release of the Papilio schematic library – draw a custom processor

Friday, November 1st, 2013

Drone informs us of Gadget Factory's first release of the Papilio schematic library: Hello everyone, we have some exciting news today, the first release of the Papilio Schematic Library is ready to go! Ever find that you need just one more serial port, or SPI master, or PWM? Wouldn’t it...

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Posted in library, releases | 3 Comments »

Encoder library testing

Thursday, September 26th, 2013

[embed]http://www.youtube.com/watch?v=2puhIong-cs[/embed] Paul over at Dorkbotpdx writes: In a recent forum conversation, it was suggested my Encoder library has only been tested with rotary knobs and "lab" signals, not a high-res encoder turned by a motor, implying it might not work "in the real world".  So I build this little test...

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Posted in library | No Comments »

Portable library for cheapie nrf24L01+ wireless module

Wednesday, May 1st, 2013

Kehribar released a C-based portable nrf24L01+ library on GitHub: I tried to make this library as portable as possible therefore, in order to use this library, you only need to define couple of GPIO functions in your project and that's it! Moreover, this library supports auto-retransmission and auto-ack features of...

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Posted in library | 6 Comments »

Arduino V3B-K magstripe reader library

Monday, February 11th, 2013

matthewg42 has released this library for using V3B-K magstripe readers with Arduinos on Gitub. He describes, "This is more or less a wrapper around Stephan King's code which has been floating around the nets for a while. I fixed a small problem with a potential buffer overflow if someone jiggles...

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Posted in Arduino, code | No Comments »

Simplify Eagle library part creation from BSDL files

Wednesday, January 16th, 2013

[embed]http://www.youtube.com/watch?v=blvC4xhqbOE[/embed] Here's a tutorial on how to automatically generate Eagle parts from manufacturers' BSDL files. These files are available from some manufacturers and include tables listing pin names and numbers. This information is used by the make-symbol-device-package-bsdl.ulp to generate your device. On our wiki we have a tutorial on how...

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Posted in Eagle, Eagle parts | 3 Comments »

Little Wire Python library

Wednesday, September 19th, 2012

Adam ported Little Wire's library to Python. The library was already available in C, C++, and Processing, and now Python users can enjoy the little hack tool as well. Little Wire is multi-featured USB controlled open source hardware tool packed in a minimal form factor designed by Ihsan Kehribar. Even...

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Posted in code, dev boards | 4 Comments »

Eagle Parts: Our Eagle library converted to KiCad

Tuesday, September 18th, 2012

Lately we've been testing the KiCad waters. For the ATX Breakout Board v2 we needed to escape Eagle's PCB constraints, and we succeed. A major hurdle to using any new CAD package is that all your part libraries have to be built again. Luckily Sjaak pointed us to a script...

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Posted in Eagle parts | 7 Comments »

Copy parts between libraries in Eagle

Tuesday, June 5th, 2012

A short but helpful tutorial on how to copy parts between libraries in Cadsoft Eagle. You can also check out some of our Eagle tutorials.

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Posted in Eagle, tutorials | 3 Comments »

DP Eagle part library cleanup and naming standards

Thursday, February 2nd, 2012

We decided to clean up our Eagle part library and start using a new part naming scheme. The old library was getting confusing to work with, here's our new part naming conventions: general naming style [category]_[function]_[partnumber] if function is unavailabel the folowing will be used [category]_[partnumber] Capacitors, Resistors, and diodes...

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Posted in library | 3 Comments »

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