From ecb468cb523b5396ef16fca0d0d4ebd196fd882a Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Sun, 1 Nov 2020 13:18:14 +0100
Subject: [PATCH] add uv adc averaging

---
 src/main.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 4d8a2b1..e5644f2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1189,7 +1189,12 @@ float getHumidity_HS1101(int pin) {
 
 #ifdef SENSOR_ML8511
 float getUV_ML8511(int pin) {
-  float uvadc = 3.06 / 1023 * analogRead(pin) ; //assumes 1023 = 3.069V (10-bit adc on esp8266)
+  float uvadc=0;
+  #define UVADCSAMPLES 32
+  for (uint16_t _s=0;_s<UVADCSAMPLES;_s++) {
+    uvadc += 3.06 / 1023 * analogRead(pin) ; //assumes 1023 = 3.069V (10-bit adc on esp8266)
+  }
+  uvadc=uvadc/UVADCSAMPLES; //average
   return max(mapfloat(uvadc, 0.99, 2.8, 0.0, 15.0), 0.0F);  //uvIntensity (mW/cm^2)
 }
 #endif