update platformio.ini for firmware

extras/firmware/platformio.ini

@@ -11,15 +11,10 @@
 [platformio]
 src_dir = byte-sized-encoder-decoder-firmware
 
-[env]
-lib_deps =
-
-monitor_speed = 115200
-
 [env:atmega328p]
 framework = arduino
 platform = atmelavr
-board = ATmega328 ;ATmega328P //TODO: change to p
+board = ATmega328PB
 board_build.f_cpu = 8000000L
 upload_protocol = custom
 upload_port = usb
@@ -35,7 +30,7 @@ upload_flags =
 upload_command = avrdude $UPLOAD_FLAGS -U lfuse:w:0xe2:m -U hfuse:w:0xd9:m -U efuse:w:0xff:m -U flash:w:$SOURCE:i
 ; https://www.engbedded.com/fusecalc/
 ; changes from default: turn off CKDIV8
- ; the internal RC 8Mhz oscillator is used
+; the internal RC 8Mhz oscillator is used
 
 [env:uno]
 framework = arduino