Update platformio.ini

add new board to platform.io definition

platformio.ini

@@ -12,6 +12,7 @@
 default_envs = tbeam
 ;default_envs = tbeam0.7
 ;default_envs = heltec-v2.0
+;default_envs = heltec-v1
 ;default_envs = tlora-v1
 ;default_envs = tlora_v1_3
 ;default_envs = tlora-v2
@@ -158,6 +159,13 @@ board = ttgo-t-beam
 build_flags = 
   ${esp32_base.build_flags} -D TBEAM_V07
 
+[env:heltec-v1]
+;build_type = debug ; to make it possible to step through our jtag debugger 
+extends = esp32_base
+board = heltec_wifi_lora_32
+build_flags = 
+  ${esp32_base.build_flags} -D HELTEC_V1
+
 [env:heltec-v2.0]
 ;build_type = debug ; to make it possible to step through our jtag debugger 
 extends = esp32_base