diff --git a/README.org b/README.org
index f00ca91..d7cb015 100644
--- a/README.org
+++ b/README.org
@@ -1,6 +1,6 @@
 * Muraqib
 
-CO2 sensor that collects and sends its data via MQTT to a server. The board of the sensor is the Wemos D1 mini and the sensor is a SCD41.
+CO2 sensor that collects and sends its data via MQTT to a server. The board of the sensor is the Wemos D1 mini ESP32 and the sensor is a SCD41.
 
 ** Pinout of the board
 
diff --git a/platformio.ini b/platformio.ini
index e828ba4..9c38f3f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -8,12 +8,12 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:d1_mini]
-platform = espressif8266
-board = d1_mini
+[env:s2_mini]
+platform = espressif32
+board = wemos_d1_mini32
 board_build.filesystem = littlefs
 framework = arduino
-monitor_filters = esp8266_exception_decoder
+monitor_filters = esp32_exception_decoder
 lib_deps =
   sensirion/Sensirion I2C SCD4x@^1.1.0
   marvinroger/AsyncMqttClient@^0.9.0