Auswahl von Board (D1 mini/NodeMCU) und RTC (DS3231/DS1307/keine) vor dem Kompilieren

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

software/pio/platformio.ini

@@ -1,8 +1,40 @@
-[env:d1_mini]
+; Umgebung = Board + RTC-Modul waehlen, z.B.:  pio run -e nodemcu_ds3231 -t upload
+;   Board: d1_mini | nodemcu       RTC: ds3231 | ds1307 | keine
+[common]
 platform = espressif8266
-board = d1_mini
 framework = arduino
 monitor_speed = 115200
 lib_deps =
     adafruit/Adafruit NeoPixel
     tzapu/WiFiManager
+    adafruit/RTClib
+
+[board_d1_mini]
+board = d1_mini
+
+[board_nodemcu]
+board = nodemcuv2
+
+[env:d1_mini_ds3231]
+extends = common, board_d1_mini
+build_flags = -DRTC_MODUL_DS3231
+
+[env:d1_mini_ds1307]
+extends = common, board_d1_mini
+build_flags = -DRTC_MODUL_DS1307
+
+[env:d1_mini_keine]
+extends = common, board_d1_mini
+build_flags = -DRTC_MODUL_KEINE
+
+[env:nodemcu_ds3231]
+extends = common, board_nodemcu
+build_flags = -DRTC_MODUL_DS3231
+
+[env:nodemcu_ds1307]
+extends = common, board_nodemcu
+build_flags = -DRTC_MODUL_DS1307
+
+[env:nodemcu_keine]
+extends = common, board_nodemcu
+build_flags = -DRTC_MODUL_KEINE