add bit of docs

README.md

@@ -14,6 +14,7 @@ I have since switch to using C for better performance and control.
 - ✅ read tempature
 - ✅ read humidity
 - ✅ read atmospheric pressure
+- ✅  read partical matter PM1, PM2.5, and PM10
 - read partical matter PM1, PM2.5, and PM10
 - read noise levels
 - read wind speed

node1.c

@@ -11,11 +11,13 @@
 #include <stdio.h>
 
 #define LOOP_INTERVAL_MS 5000
+// TODO: put loop back to 30 seconds when done testing
 // #define LOOP_INTERVAL_MS 30000
 
 /**
  * Balcony Weather Station Node 1
  * record sensor data and send it to home assistant every 5 minutes
+ * Sensors: BME280, PMS5003
  */
 
 void comms_led_init() {