Difference: WoodenBox (7 vs. 8)

Revision 82018-08-31 - PeterSchmid

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Hardware

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wooden-box.jpg
Closed wooden box
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  Of course you do not need any monitor but it is very convenient to have one built in (e.g. HDMI Monitor 5" 800x480 from Adafruit). Especially if you want to use emulators like the YAZE-AG (Z80, CP/M Plus), the DOSbox, or a terminal emulator for the BASIC3. A USB keyboard can simply plugged in, I use Bluetooth keyboard because the Raspi has Bluetooth on board.
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Buttons for Shutdown and Run

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Buttons for Shutdown and Run

 
To keep prices down, the Raspberry Pi is missing something that most electronic devices come with: a switch to turn it on and off. That’s OK, you say, we’ll just pull the plug to turn it off. Unfortunately, this can lead to corruption problems with the SD card. All the instructions say you should run the shutdown command before pulling the plug, but this is not always possible, particularly when your Raspberry Pi is running headless without a connected keyboard and monitor, and possibly even without a network connection. So, what can a self-respecting DIYer do? The answer, of course, is ‘add your own switch’!
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  If the Raspberry Pi is in HALT mode then you can start it again with switch off (pull the plug) and switch on again or hit the RUN button.

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P6 Pinout

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P6 Pinout

 
Pin Number Pin Name Rev2 Hardware Notes
P6-01 RUN Short to ground to reset the BCM2835
P6-02 GND  
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run-shutdown-bottom.jpg
Wiring the RUN and the SHUTDOWN switches
run-shutdown-switches.jpg
There is pullup resistor (10 k to 3.3V, pin 17) for SHUTDOWN switch
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-- Peter Schmid - 2018-06-24

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Comments

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