Updated hw docs for esp32

2022-04-08 20:14:57 +02:00
parent acb53bf611
commit 2e42b86444
2 changed files with 4 additions and 0 deletions
--- a/src_docs/source/hardware.rst
+++ b/src_docs/source/hardware.rst
@ -16,6 +16,9 @@ I would suggest that you try how it fits into the PET tube before soldering it t

 You also need to desolder (remove) the RED ON LED from the ESP32 or the battery power will be reduced a lot.

+Final thing is to add a resistor between A0 (Analog PIN) and ground of 470k. The reason is that the esp8266 has a build in resistor which 
+the esp32 does not have. So in order to get a valid voltage (less than 3.2V) on the A= pin this is needed. 
+
 .. image:: images/esp32.jpg
  :width: 500
  :alt: Mounting esp32