From 18c10943ea4aae33edc78879c2d163050441cd9d Mon Sep 17 00:00:00 2001 From: Erin Call Date: Wed, 21 Jun 2017 09:57:47 -0700 Subject: [PATCH] A bit more info about pull-up resistors --- guide/README.org | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/guide/README.org b/guide/README.org index ef4b69e..90559c9 100644 --- a/guide/README.org +++ b/guide/README.org @@ -142,7 +142,8 @@ [[teensy-1.jpg]] - Some interesting pull up 10k resistor business here... (TODO add a small diagram and notes) + The two 2.2kΩ (Red Red Red Gold) pull-up resistors ensure the switches give a clear reading when open. + [Read more about pull-up resistors here](https://learn.sparkfun.com/tutorials/pull-up-resistors). [[teensy-2-fuxor-reziztorrs.jpg]]