[env:heltec-v2.1]
;build_type = debug ; to make it possible to step through our jtag debugger 
extends = esp32_base
board = heltec_wifi_lora_32_V2
build_flags = 
  ${esp32_base.build_flags} -D HELTEC_V2_1 -I variants/heltec_v2.1