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<big>JustInTime Project Pages</big>
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=Just In Time Project Pages=
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These pages contain descriptions of our electronics projects, mainly involving [http://www.atmel.com/products/avr/ AVR] microcontrollers.
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__TOC__
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==Featured==
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{| class="wikitable" border="1"
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|-
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|style="width:64px;"|[[File:Ws2811 thumbnail.jpg|upright=1.0|link=Driving the WS2811 at 800 kHz with an 8 MHz AVR]]
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| '''WS2811 LED strips & 8Mhz AVR'''
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Want to know how to drive a WS2811 led string from an 8 Mhz AVR? [[Driving the WS2811 at 800 kHz with an 8 MHz AVR|This page]] has the code and explains it. Works for Arduino too...
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|-
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|[[File:Hamsterwheel thumbnail.png|64px|link=Internet of Hamsters]]
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|'''Internet of Hamsters'''
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It's [[Internet of Hamsters|hamsters]]. It's internet. What more could you possible want?
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|-
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|[[File:Telescope thumbnail.png|64px|link=WiFi telescope and camera control]]
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|'''Telescope and camera control'''
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[[WiFi telescope and camera control|WiFi-to-serial bridge]] allowing existing apps to talk to a telescope, but also control an attached camera
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|-
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| [[File:Transceiver433 cropped.jpg|64px|link=Cheapest ever 433 Mhz transceiver for PCs]]
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| '''USB 433Mhz transceiver for $3'''
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Cheap 433Mhz receivers and transmitters are ideal to communicate with your microcontroller, but can also be used to control inexpensive RF-controlled switches. If you've got $3, an ebay account and a soldering iron, you can now [[Cheapest ever 433 Mhz transceiver for PCs|control your light switches through a USB port]].
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|-
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| [[File:FD8 thumb.jpg|64px|link=Digital FD-8 pedal]]
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| '''Digital FD-8 repair'''
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Roland FD-8 hi-hat pedals have a tendency to become unresponsive over time. Instead of trying to repair the internal film resistor, why not completely [[Digital FD-8 pedal|replace its guts with a small microcontroller]] for accurate control without wear and tear? If you think a microcontroller is overkill, we also have [[Roland FD-8 Issues: Hall Sensor Modification|an analog electronics version]].
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|-
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| [[File:Straddling header thumbnail.jpg|64px|link=Evolution of breadboard programming headers]]
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| '''Breadboard AVR Programming Headers'''
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To celebrate the release of Vinnies [[Vinnies Definite Straddling Header‎‎|student-proof, straddling programming header]], we've finally gotten around to documenting the [[Evolution of breadboard programming headers|programming headers]] we use for AVR breadboard programming!
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|}
  
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You'll find some descriptions of [http://www.atmel.com/products/avr/ AVR] [http://parallax.com/Default.aspx?tabid=248 SX] and [http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=74 PIC] projects on these pages. And [[other stuf]].
 
 
==Projects==
 
==Projects==
 
Here are some finished, or work in progress activities:
 
Here are some finished, or work in progress activities:
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{| class="wikitable" border="1"
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{| class="wikitable sortable mw-collapsible" border="1"
 
|-
 
|-
 
! Project
 
! Project
 
! Page status
 
! Page status
 
! Project status
 
! Project status
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|-
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| [[Identifying Christmas Lights]] (ongoing project log)
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|started
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|ongoing
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|-
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| [[Fast, arduino compatible digital pin functions]], digitalWrite() in 2 clock ticks
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| started
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| finished
 
|-
 
|-
 
| [[Sending location information from an Android phone to a Nikon camera]]
 
| [[Sending location information from an Android phone to a Nikon camera]]
 
| started
 
| started
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| ongoing
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| halted
 
|-
 
|-
 
| [[WS2811 "Water torture"]]
 
| [[WS2811 "Water torture"]]
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| finished
 
| finished
 
| ongoing
 
| ongoing
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|-
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| [[4x4x4 Led Cube - AVR doing Bit Angle Modulation / Single PCB base]]
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| started
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| finished
 
|-
 
|-
 
| [[Cheapest ever 433 Mhz transceiver for PCs]]
 
| [[Cheapest ever 433 Mhz transceiver for PCs]]
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| basic
 
| basic
 
| finished
 
| finished
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|-
 
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|[[3D Miller controlled through rs-232]]
 
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| basic
 
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| halted
 
 
|-
 
|-
 
|[[Wireless LCD display]]
 
|[[Wireless LCD display]]
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|[[Oven temperature controller]]
 
|[[Oven temperature controller]]
 
| in progress
 
| in progress
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| in progress (2012)
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| halted
 
|-
 
|-
 
|[[RGB Light Show (Wired/Wireless)]]
 
|[[RGB Light Show (Wired/Wireless)]]
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|Digital Analogue Clock with Traffic Light alarm
 
|Digital Analogue Clock with Traffic Light alarm
 
| not started
 
| not started
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| finished
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|-
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|[[Diffusing Leds the Fast Way]]
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| complete
 
| finished
 
| finished
 
|}
 
|}
  
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* Software projects:  
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Some older software projects:  
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**An [[eclipse plugin for SX assembly language]].
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*An [[eclipse plugin for SX assembly language]].
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**[[Sxgo]], a fast, portable SX28 emulator.
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*[[Sxgo]], a fast, portable SX28 emulator.
  
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==Notes==
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==Programming AVRs==
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Some links to notes, images from the manual, etc:
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You might want to know how to [[running avrdude from eclipse under linux|run avrdude from eclipse under linux]].
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* [http://www.parallax.com/Portals/0/Downloads/docs/prod/datast/SX20AC-SX28AC-Data-v1.6.pdf SX28 data sheet] with pin-outs, instruction set summary, memory model, etc.
 
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