catch minus zero deg on DHT22

2023-10-23 22:20:38 +03:00 · 2021-02-17 09:25:18 +01:00
parent daf4c86055
commit d2164b66b7
1 changed files with 4 additions and 1 deletions
--- a/DHT.cpp
+++ b/DHT.cpp
@@ -110,7 +110,10 @@ float DHT::readTemperature(bool S, bool force) {
    case DHT22:
    case DHT21:
      int16_t t = ((int16_t)data[2] << 8) | data[3];
-      f = t * 0.1;
+      if(data[2] == 0x80)
+        f = 0;
+      else
+        f = t * 0.1;
      if (S) {
        f = convertCtoF(f);
      }