From eb78a5c530e21b5ce6bae8d7c28c1508275c7f68 Mon Sep 17 00:00:00 2001
From: Georgia Reh <georgia.reh@gmail.com>
Date: Thu, 2 Jun 2016 16:10:37 -0700
Subject: [PATCH] teensy: Update the README with OSX specific information and
 tips.

---
 teensy/README.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/teensy/README.md b/teensy/README.md
index 14a5e4a71..3e4a75b9e 100644
--- a/teensy/README.md
+++ b/teensy/README.md
@@ -56,3 +56,17 @@ include Makefile
 GNUmakefile is not checked into the source code control system, so it will
 retain your settings when updating your source tree. You can also add
 additional Makefile customizations this way.
+
+### Tips for OSX
+
+Set the ARDUINO environment variable to the location where Arduino with TeensyDuino is installed.
+```bash
+export ARDUINO=~/Downloads/Arduino.app/Contents/Java/
+```
+
+Search /dev/ for USB port name, which will be cu.usbmodem followed by a few numbers. The name of the port maybe different depending on the version of OSX.
+To access the Python prompt type: 
+
+```bash
+screen <devicename> 115200
+```
-- 
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