diff --git a/platformio.ini b/platformio.ini
index cf51a400..3fb30f06 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -11,10 +11,11 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-env_default = heltec
+;env_default = heltec
 ;env_default = ttgov1
 ;env_default = ttgov2
 ;env_default = ttgov21
+env_default = ttgobeam
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = fipy
@@ -101,6 +102,20 @@ build_flags =
     ${common_env_data.build_flags}
     -include "src/hal/ttgov21.h"
 
+[env:ttgobeam]
+platform = ${common_env_data.platform_espressif32}
+framework = arduino
+board = esp32dev
+board_build.partitions = ${common_env_data.board_build.partitions}
+board_upload.maximum_size = ${common_env_data.board_upload.maximum_size}
+monitor_speed = 115200
+upload_speed = 921600
+lib_deps = 
+    ${common_env_data.lib_deps_display}
+build_flags = 
+    ${common_env_data.build_flags}
+    -include "src/hal/ttgobeam.h"
+
 [env:fipy]
 platform = espressif32@1.0.1
 framework = arduino
diff --git a/src/hal/ttgobeam.h b/src/hal/ttgobeam.h
new file mode 100644
index 00000000..aecc7e17
--- /dev/null
+++ b/src/hal/ttgobeam.h
@@ -0,0 +1,22 @@
+// Hardware related definitions for TTGO T-Beam board
+
+#define CFG_sx1276_radio 1 // HPD13A LoRa SoC
+
+#define HAS_LED 21 // on board green LED_G1
+#//define HAS_LED 22 // on board red LED_G3 ? to be checked
+#define HAS_BATTERY_PROBE ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7 ? to be checked
+#define BATT_FACTOR 2 // voltage divider 100k/100k on board
+// #define HAS_GPS // to be done
+// GSP serial (9600, SERIAL_8N1, 12, 15);   //17-TX 18-RX
+
+// re-define pin definitions of pins_arduino.h
+#define PIN_SPI_SS    18 // ESP32 GPIO18 (Pin18) -- HPD13A NSS/SEL (Pin4) SPI Chip Select Input
+#define PIN_SPI_MOSI  27 // ESP32 GPIO27 (Pin27) -- HPD13A MOSI/DSI (Pin6) SPI Data Input
+#define PIN_SPI_MISO  19 // ESP32 GPIO19 (Pin19) -- HPD13A MISO/DSO (Pin7) SPI Data Output
+#define PIN_SPI_SCK   5  // ESP32 GPIO5 (Pin5)   -- HPD13A SCK (Pin5) SPI Clock Input
+
+// non arduino pin definitions
+#define RST   14 // connected to ESP32 RST/EN
+#define DIO0  26 // ESP32 GPIO26 <-> HPD13A IO0
+#define DIO1  33 // ESP32 GPIO33 <-> HPDIO1 <-> HPD13A IO1 // !!needs external wiring!!
+#define DIO2  32 // ESP32 GPIO32 <-> HPDIO2 <-> HPD13A IO2 // needs external wiring, but not needed for LoRa