Blinkenwall.com/Controller: Unterschied zwischen den Versionen
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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. | ||