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Archive for the ‘Arduino’ Category

Cherry MX keypad

Monday, June 6th, 2016

Dan Watson documented on his blog an open source Arduino-compatible Cherry MX keypad he designed using the ATmega32U4 microcontroller: The board that I designed includes four Cherry MX keys. I used MX Blues, but it is also compatible with other types such as Brown and Red. It's simply a matter...

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Posted in Arduino, open source | 2 Comments »

AUX in Volvo HU-XXXX radio

Friday, June 3rd, 2016

Karl Hagström wrote an article detailing how he hacked the stereo (HU-650) in his Volvo V70 (2007) and added his own AUX input: Why, why, why isn't there an AUX input on my car stereo from 2007? Yes 2007 was before the big era of smartphones, but everyone owned a couple...

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Posted in Arduino, hacks | No Comments »

La Skala Arduino controlled ladder attenuator

Wednesday, June 1st, 2016

Dimdim has designed and built his own stepped ladder attenuator, controlled by an Arduino: A few years ago I had an encounter with a ladder volume attenuator. I loved hearing the relays clicking away as they dialed-in the desired attenuation. Ever since then I wanted to design and build one for...

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Posted in Arduino, DirtyPCBs.com | No Comments »

Arduino RFID login

Wednesday, May 18th, 2016

Luke has published a new build: I wanted a simple way of quickly logging on to my computer without having to typing my password in and did not want to have no security either. There are various products on the market that would solve this problem from fingerprint readers to...

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Posted in Arduino | 3 Comments »

The AAduino

Thursday, May 12th, 2016

Johan Kanflo has a new project posted the AAduino, that is available on Github: The AAduino is an wireless Arduino clone the size of an AA battery with Keystone battery terminals rotated 180° to act as positive and negative terminals. It is powered by an ATMega328p and is fitted with...

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Posted in Arduino, wireless | No Comments »

T-baneklokke – coundown clock

Saturday, May 7th, 2016

Joakim made a coundown clock for his wife and documented the whole process on his blog: The clock is built using an Arduino, and has a battery powered real time clock to remember the time while powered off. To make it truly stand alone I added the possibility to set the time...

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Posted in Arduino, clock | No Comments »

Developing an IR remote and Software controller

Thursday, May 5th, 2016

Hardware Hacks has published a new build, a DIY Infrared remote for speaker: The idea is simple, we capture the IR signal from a remaining speaker remote and record the commands that get transmitted. We did this by connecting up our IR Receiver to the Arduino, the receiver has 3 pins...

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Posted in Arduino, DIY, infrared | No Comments »

Design and build a spin coater

Monday, April 11th, 2016

In this video Ben Krasnow demonstrates how he designed and built a spincoater, and how you can use a similar motor control system in your own projects. More details at Ben Krasnow's blog.

Posted in Arduino, how-to | No Comments »

1″ 100W hot-plate for SMT reflow

Tuesday, March 29th, 2016

kevinhub88 over at the Black Mesa Labs writes: Black Mesa Labs has been using a $20 hot plate for a year now for soldering QFN ICs to PCBs. Only issue so far has been the size ( 10″x10″x3″ ) and thermal mass of the thing as it consumes precious microscope work area...

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Posted in Arduino | 3 Comments »

Modifying RAM SPD data

Friday, March 25th, 2016

Zak Kemble wrote a post on his blog showing how he modified the RAMs Serial Presence Detect (SPD) data: Recently I brought some low-power Mini-ITX motherboards; a Gigabyte GA-N3050N-D3H and a Biostar N3050NH. These boards take SO-DIMM DDR3 RAM, the sort found in laptops. The boards are both pretty much the same,...

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Posted in Arduino, how-to | No Comments »

Arduino Shield for custom board CPLD programming and testing using pogo pins

Wednesday, March 9th, 2016

Marcelo Jimenez wrote a post about a shield he did using pogo pins to program and test a CPLD based board. The photo above shows the support for the board to be programmed with the pogo pins at the center, the board itself and the top shield. I have used two...

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Posted in Arduino, JTAG | 1 Comment »

mavroOBD, an open source Arduino compatible OBD/Can-Bus module

Thursday, February 11th, 2016

Mavromatics' open source project designed to “hack” your vehicle, that is available on github: The goal of this project it to create an Arduino based OBD port module that can be used to enhance a vehicles capabilites. For example, if you want door locks to close when moving faster than...

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Posted in Arduino, DIY, hacks | 1 Comment »

Arduino MPPT solar charger shield

Friday, January 29th, 2016

Lukas Fässler made an MPPT solar charger project and wrote a post on his blog detailing its assembly: The basic idea behind an MPPT solar charger is simple. A solar panel has a certain voltage (in the region of 17 to 18 volts for a 12 volts pannel, somwhat dependent...

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Posted in Arduino, DIY | 2 Comments »

Simple Arduino SD-Card GPS/NMEA Datalogger

Saturday, January 23rd, 2016

KF5OBS writes: This article is going to show how to build a minimalistic GPS datalogger. The GPS logger is based on the Arduino platform and stores raw NMEA sentences from pretty much any GPS module to a SD card. More details at KF5OBS blog.

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Posted in Arduino, how-to | No Comments »

Ultimate classic game console joystick to USB adapter

Wednesday, December 30th, 2015

Matthew Heironimus posted a step by step guide of his “ultimate” classic game console joystick to USB adapter build: This article describes how to use an Arduino Leonardo or Arduino Micro to make up to three classic console joysticks (e.g. Atari 2600, ColecoVision, and possibly others) available to a modern computer...

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Posted in Arduino, DIY, how-to | No Comments »

Control your Arduino over the Internet using Blynk

Saturday, December 26th, 2015

John Boxall from Tronixstuff has written an article on using Blynk with Arduino: There are many ways of remotely-controlling your Arduino or compatible hardware over the Internet. Some are more complex than others, which can be a good thing or a bad thing depending on your level of expertise. Lately we’ve become...

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Posted in Arduino, tutorials | No Comments »

Paint Machine, a printer that prints small bitmaps on the street

Thursday, December 24th, 2015

Alex Weber has posted a new project on building a DIY Paint Machine, he writes: Here is my latest creature, the Paint Machine. It’s a machine the prints simple bitmaps with spray chalk on the street or sidewalk. Some of the key features: *dimension: width: 220cm, length: 38cm, height: 24cm, weight: 12kg...

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Posted in Arduino, DIY | 2 Comments »

Arduino Mini CNC Plotter Machine from DVD drives

Wednesday, December 9th, 2015

An instructables on how to make an Arduino based mini CNC plotter from old DVD drives by Ardumotive_com: For the X and Y axes we will use two stepper motors and rails from dvd/cd drives and for the Z axis we will use a small servo motor that moves the pen up...

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Posted in Arduino, how-to | 1 Comment »

Homebrew SWR and power meter

Monday, December 7th, 2015

Flathagen blogged about his DIY SWR meter project: The circuit is based on two AD8307 log amplifiers, which are connected to the forward and reflected ports on a directional coupler. The AD8307 amplifiers gives a DC voltage of about 25mV/dB of the input signal, which is amplified using an opamp (LM324)....

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Posted in Arduino, DIY | 1 Comment »

ArTICL: Arduino and MSP432 Launchpad to TI graphing calculator linking

Wednesday, September 9th, 2015

KermMartian over at Cemetech forum writes: A few weeks ago, I received a pair of MSP432 Launchpad development boards courtesy of Texas Instruments, and two weeks ago, I began porting ArTICL to the MSP432. I'm happy to announce that ArTICL is now available to MSP432 Launchpad programs. First developed last year...

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Posted in Arduino, MSP430 | 1 Comment »

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