diff --git a/README.md b/README.md
index 6f27f25..31978b6 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ For controlling the MCP2515 a modified version of the [Arduino MCP2515 CAN inter
 
 * [ATmega32](http://ww1.microchip.com/downloads/en/devicedoc/doc2503.pdf)
 * [ATmega328P](http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7810-Automotive-Microcontrollers-ATmega328P_Datasheet.pdf)
+* [ATmega328PB](https://ww1.microchip.com/downloads/en/DeviceDoc/40001906A.pdf)
 * [ATmega32U4](https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf)
 * [ATmega64](http://ww1.microchip.com/downloads/en/DeviceDoc/atmel-2490-8-bit-avr-microcontroller-atmega64-l_datasheet.pdf)
 * [ATmega644P](https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42744-ATmega644P_Datasheet.pdf)
@@ -361,6 +362,10 @@ Additionally a *start app* command may be send at any time by the flash applicat
 
 ## Changelog
 
+## 1.4.1 (2024-08-12)
+
+* Added support for _ATmega328PB_ 
+
 ## 1.4.0 (2023-06-12)
 
 * Added support for _ATmega32U4_
diff --git a/platformio.ini b/platformio.ini
index 039e060..5d03cde 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -69,6 +69,15 @@ build_flags =
 ;board_fuses.hfuse = 0xD8
 ;board_fuses.efuse = 0xFC
 
+[env:ATmega328PB]
+board = ATmega328PB
+build_flags =
+  ${env.build_flags}
+  -Wl,--section-start=.text=0x7000 ; 2048 words bootloader, 0x3800 * 2
+
+;board_fuses.lfuse = 0xFF
+;board_fuses.hfuse = 0xD8
+;board_fuses.efuse = 0xFC
 
 [env:ATmega64]
 board = ATmega64
diff --git a/src/controllers.h b/src/controllers.h
index 583a601..f9a2ccd 100644
--- a/src/controllers.h
+++ b/src/controllers.h
@@ -48,7 +48,7 @@
   #define SPI_MISO 3
   #define SPI_SCK 1
 
-#elif defined(__AVR_ATmega328P__)
+#elif defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328PB__)
   #define IV_REG MCUCR
 
   #define SPI_DDR  DDRB