From 16ca8c5cef1c337f7a7103436c74303bcd259ecb Mon Sep 17 00:00:00 2001
From: brittany bull <37693798+brittanybull@users.noreply.github.com>
Date: Mon, 23 Jul 2018 14:35:10 +0200
Subject: [PATCH] Update README.md

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 9012974..11ee01c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # sample_voltage
 Sample project for measuring voltage data from the PB04
+
+###### source code
+
+Adapted from the "measuring voltage" example in the [xPB04 library](https://github.com/xinabox/xPB04)