From 0c53fd064b6a9b42e277efe3aa340ce9dd8006c7 Mon Sep 17 00:00:00 2001 From: schinken Date: Thu, 24 Dec 2015 20:15:01 +0100 Subject: [PATCH] Add battery notice --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index b88f1f6..c778783 100644 --- a/README.md +++ b/README.md @@ -4,6 +4,8 @@ Here's some code and schematic to connect your mightyohm.com geiger counter to t ![Schematic](https://raw.githubusercontent.com/b4ckspace/esp8266-geigercounter/master/schematic.png "How to connect") +** If you use the external 3,3 volts, you have to remove the batteries from the geiger counter! ** + ## compile To compile this code, just clone or download the master branch as a zip and ramp up your arduino library. For this code to work, you need the SimpleTimer-library (http://playground.arduino.cc/Code/SimpleTimer#Download) and the ESP8266 added to your Arduino-IDE as a board (https://github.com/esp8266/Arduino, see install instructions)