From 75efa954c01b5099d03e34ad646196fcb7438e1c Mon Sep 17 00:00:00 2001 From: Alexander Brown Date: Mon, 1 Jan 2018 21:06:46 -0500 Subject: [PATCH] Update README.md --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index b993ded..2acfd5f 100644 --- a/README.md +++ b/README.md @@ -21,6 +21,7 @@ Required materials: 4.) Plug in the printer with USB connection and setup your CUPs config file by enabling port 631 and add the printer by going to yourrpihostname:631 on your browser. Use the following driver file: Canon SELPHY CP900 - CUPS+Gutenprint v5.2.10. You can verify with test page print. 5.) Google how to disable the LCD from going to sleep on your rpi. +6.) Connect the Big Huge Red Button (BHRB) between Ground and GPIO pin 26 of the Raspberry Pi using the **normally closed contacts**. If you use a different BHRB that only has normally open contacts, you will need to change pbooth.py to initialize the GPIO pin with a pull-down resistor rather than a pull-up resistor, and connect the button between 3.3V and pin 26 instead. Funcionality: Plug in the Raspberry Pi 2