Blinkenwall.com/Controller: Unterschied zwischen den Versionen
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= Blinkenwall Controller = | = Blinkenwall Controller = | ||
[[Datei:Blinkenwall_Controller.png|400px|thumb|right|The PCB designed for the controller adapter (made in Altium Circuitmaker)]] | |||
[[Datei:Blinkenwall_Controller_assembled.jpg|400px|thumb|right|Looks exactly like in the render!]] | |||
Case is from a Sun Cobalt RaQ 550. The controller for the Blinkenwall is an [http://www. | Case is from a Sun Cobalt RaQ 550. The controller for the Blinkenwall is an [http://www.up-board.org/up/ up-board]. | ||
We developed an adapter PCB from the front panel to the up-board (or any other board compatible with the Raspberry Pi GPIO header). | |||
== Front Panel == | == Front Panel == | ||
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The transceiver is used so that you can put the display data pins and the buttons on the same GPIOs. It's a [ | The transceiver is used so that you can put the display data pins and the buttons on the same GPIOs. It's a [http://img.cleverworldnet.com/tmp/74F245PC__001.pdf 74F245]. The display is a [https://www.mouser.com/ds/2/178/16216l5-16494.pdf HDM16216L-5-LCEP]. | ||
The voltage is 5V for everything, except for the buttons. These simply pull to GND and have a 4.7kΩ pullup. | The voltage is 5V for everything, except for the buttons. These simply pull to GND and have a 4.7kΩ pullup. | ||
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* Transceiver !OE: GPIO 88 | * Transceiver !OE: GPIO 88 | ||
* Display RS: GPIO 76 (shared with I2CB_SDA, but we don't need that) | * Display RS: GPIO 76 (shared with I2CB_SDA, but we don't need that) | ||
* Display R/W: GPIO | * Display R/W: GPIO 77 (shared with I2CB_SCL, but we don't need that) | ||
* Display D0: GPIO 116 | * Display D0: GPIO 116 | ||
* Display D1: GPIO 115 | * Display D1: GPIO 115 | ||