fix pir false triggering

platformio.ini

@@ -222,7 +222,7 @@ build_flags =
     -D dataDHT22_humidity_minchange=1.0
 
     -D SENSOR_PIR
-    -D PIRPIN=D0
+    -D PIRPIN=D6
     -D dataPIR_readdelay=100
     -D dataPIR_senddelaymax=1000*60*10
 

src/main.cpp

@@ -82,9 +82,12 @@ struct sensordata
 
 
 #ifdef SENSOR_PIR
-// PIR Sensors HC-SR501 (modified to put out shortest pulse time short pins 5 and 6 of ic)
- //pir sensor needs 5v through an inductor for filtering. output level is 3.3v
- //hc-sr501 should also be a few cm away from the esp. interference can cause false triggering
+  // PIR Sensors HC-SR501
+  // pir sensor needs 5v through an inductor for filtering. output level is 3.3v
+  // 100nF capacitor should be soldered between pins 12 and 13 of BISS0001 to stop interference from esp causing false triggers (in some setups). source: https://www.letscontrolit.com/forum/viewtopic.php?t=671
+  // hc-sr501 should also be a few cm away from the esp. interference can cause false triggering
+  // poti closer to jumper is sensitivity (cw increases). other poti is pulse time (cw increases).
+  // time set to output around 30s pulse
   sensordata dataPIR;
   bool value_PIR=false;
 #endif