diff --git a/README.md b/README.md
index b8c0bd0..fc3326d 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ Read the [Contributing Guide](https://github.com/earlephilhower/arduino-pico/blo
 * Pimoroni Pico Plus 2
 * Pimoroni Pico Plus 2W
 * Pimoroni Plasma2040
+* Pimoroni Plasma2350
 * Pimoroni Tiny2040
 * Pimoroni Tiny2350
 * Pintronix PinMax
diff --git a/boards.txt b/boards.txt
index 56326e1..7cfbfef 100644
--- a/boards.txt
+++ b/boards.txt
@@ -22607,6 +22607,253 @@ pimoroni_plasma2040.menu.uploadmethod.picoprobe_cmsis_dap.upload.maximum_data_si
 pimoroni_plasma2040.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool=picoprobe_cmsis_dap
 pimoroni_plasma2040.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool.default=picoprobe_cmsis_dap
 
+# -----------------------------------
+# Pimoroni Plasma2350
+# -----------------------------------
+pimoroni_plasma2350.name=Pimoroni Plasma2350
+pimoroni_plasma2350.vid.0=0x2e8a
+pimoroni_plasma2350.pid.0=0x10a5
+pimoroni_plasma2350.vid.1=0x2e8a
+pimoroni_plasma2350.pid.1=0x11a5
+pimoroni_plasma2350.vid.2=0x2e8a
+pimoroni_plasma2350.pid.2=0x50a5
+pimoroni_plasma2350.vid.3=0x2e8a
+pimoroni_plasma2350.pid.3=0x51a5
+pimoroni_plasma2350.vid.4=0x2e8a
+pimoroni_plasma2350.pid.4=0x90a5
+pimoroni_plasma2350.vid.5=0x2e8a
+pimoroni_plasma2350.pid.5=0x91a5
+pimoroni_plasma2350.vid.6=0x2e8a
+pimoroni_plasma2350.pid.6=0xd0a5
+pimoroni_plasma2350.vid.7=0x2e8a
+pimoroni_plasma2350.pid.7=0xd1a5
+pimoroni_plasma2350.upload_port.0.vid=0x2e8a
+pimoroni_plasma2350.upload_port.0.pid=0x10a5
+pimoroni_plasma2350.upload_port.1.vid=0x2e8a
+pimoroni_plasma2350.upload_port.1.pid=0x11a5
+pimoroni_plasma2350.upload_port.2.vid=0x2e8a
+pimoroni_plasma2350.upload_port.2.pid=0x50a5
+pimoroni_plasma2350.upload_port.3.vid=0x2e8a
+pimoroni_plasma2350.upload_port.3.pid=0x51a5
+pimoroni_plasma2350.upload_port.4.vid=0x2e8a
+pimoroni_plasma2350.upload_port.4.pid=0x90a5
+pimoroni_plasma2350.upload_port.5.vid=0x2e8a
+pimoroni_plasma2350.upload_port.5.pid=0x91a5
+pimoroni_plasma2350.upload_port.6.vid=0x2e8a
+pimoroni_plasma2350.upload_port.6.pid=0xd0a5
+pimoroni_plasma2350.upload_port.7.vid=0x2e8a
+pimoroni_plasma2350.upload_port.7.pid=0xd1a5
+pimoroni_plasma2350.build.usbvid=-DUSBD_VID=0x2e8a
+pimoroni_plasma2350.build.usbpid=-DUSBD_PID=0x10a5
+pimoroni_plasma2350.build.usbpwr=-DUSBD_MAX_POWER_MA=500
+pimoroni_plasma2350.build.board=PIMORONI_PLASMA2040
+pimoroni_plasma2350.build.variant=pimoroni_plasma2350
+pimoroni_plasma2350.upload.maximum_size=2097152
+pimoroni_plasma2350.upload.wait_for_upload_port=true
+pimoroni_plasma2350.upload.erase_cmd=
+pimoroni_plasma2350.serial.disableDTR=false
+pimoroni_plasma2350.serial.disableRTS=false
+pimoroni_plasma2350.build.f_cpu=125000000
+pimoroni_plasma2350.build.led=
+pimoroni_plasma2350.build.core=rp2040
+pimoroni_plasma2350.build.ldscript=memmap_default.ld
+pimoroni_plasma2350.build.boot2=none
+pimoroni_plasma2350.build.usb_manufacturer="Pimoroni"
+pimoroni_plasma2350.build.usb_product="Plasma2350"
+pimoroni_plasma2350.build.psram_length=0x000000
+pimoroni_plasma2350.menu.flash.2097152_0=2MB (no FS)
+pimoroni_plasma2350.menu.flash.2097152_0.upload.maximum_size=2088960
+pimoroni_plasma2350.menu.flash.2097152_0.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_0.build.flash_length=2088960
+pimoroni_plasma2350.menu.flash.2097152_0.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_0.build.fs_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_0.build.fs_end=270524416
+pimoroni_plasma2350.menu.flash.2097152_65536=2MB (Sketch: 1984KB, FS: 64KB)
+pimoroni_plasma2350.menu.flash.2097152_65536.upload.maximum_size=2023424
+pimoroni_plasma2350.menu.flash.2097152_65536.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_65536.build.flash_length=2023424
+pimoroni_plasma2350.menu.flash.2097152_65536.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_65536.build.fs_start=270458880
+pimoroni_plasma2350.menu.flash.2097152_65536.build.fs_end=270524416
+pimoroni_plasma2350.menu.flash.2097152_131072=2MB (Sketch: 1920KB, FS: 128KB)
+pimoroni_plasma2350.menu.flash.2097152_131072.upload.maximum_size=1957888
+pimoroni_plasma2350.menu.flash.2097152_131072.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_131072.build.flash_length=1957888
+pimoroni_plasma2350.menu.flash.2097152_131072.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_131072.build.fs_start=270393344
+pimoroni_plasma2350.menu.flash.2097152_131072.build.fs_end=270524416
+pimoroni_plasma2350.menu.flash.2097152_262144=2MB (Sketch: 1792KB, FS: 256KB)
+pimoroni_plasma2350.menu.flash.2097152_262144.upload.maximum_size=1826816
+pimoroni_plasma2350.menu.flash.2097152_262144.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_262144.build.flash_length=1826816
+pimoroni_plasma2350.menu.flash.2097152_262144.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_262144.build.fs_start=270262272
+pimoroni_plasma2350.menu.flash.2097152_262144.build.fs_end=270524416
+pimoroni_plasma2350.menu.flash.2097152_524288=2MB (Sketch: 1536KB, FS: 512KB)
+pimoroni_plasma2350.menu.flash.2097152_524288.upload.maximum_size=1564672
+pimoroni_plasma2350.menu.flash.2097152_524288.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_524288.build.flash_length=1564672
+pimoroni_plasma2350.menu.flash.2097152_524288.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_524288.build.fs_start=270000128
+pimoroni_plasma2350.menu.flash.2097152_524288.build.fs_end=270524416
+pimoroni_plasma2350.menu.flash.2097152_1048576=2MB (Sketch: 1MB, FS: 1MB)
+pimoroni_plasma2350.menu.flash.2097152_1048576.upload.maximum_size=1040384
+pimoroni_plasma2350.menu.flash.2097152_1048576.build.flash_total=2097152
+pimoroni_plasma2350.menu.flash.2097152_1048576.build.flash_length=1040384
+pimoroni_plasma2350.menu.flash.2097152_1048576.build.eeprom_start=270524416
+pimoroni_plasma2350.menu.flash.2097152_1048576.build.fs_start=269475840
+pimoroni_plasma2350.menu.flash.2097152_1048576.build.fs_end=270524416
+pimoroni_plasma2350.menu.arch.arm=ARM
+pimoroni_plasma2350.menu.arch.arm.build.chip=rp2350
+pimoroni_plasma2350.menu.arch.arm.build.toolchain=arm-none-eabi
+pimoroni_plasma2350.menu.arch.arm.build.toolchainpkg=pqt-gcc
+pimoroni_plasma2350.menu.arch.arm.build.toolchainopts=-mcpu=cortex-m33 -mthumb -march=armv8-m.main+fp+dsp -mfloat-abi=softfp -mcmse
+pimoroni_plasma2350.menu.arch.arm.build.uf2family=--family rp2350-arm-s --abs-block
+pimoroni_plasma2350.menu.arch.arm.build.mcu=cortex-m33
+pimoroni_plasma2350.menu.arch.riscv=RISC-V
+pimoroni_plasma2350.menu.arch.riscv.build.chip=rp2350-riscv
+pimoroni_plasma2350.menu.arch.riscv.build.toolchain=riscv32-unknown-elf
+pimoroni_plasma2350.menu.arch.riscv.build.toolchainpkg=pqt-gcc-riscv
+pimoroni_plasma2350.menu.arch.riscv.build.toolchainopts=-march=rv32imac_zicsr_zifencei_zba_zbb_zbs_zbkb -mabi=ilp32
+pimoroni_plasma2350.menu.arch.riscv.build.uf2family=--family rp2350-riscv --abs-block
+pimoroni_plasma2350.menu.arch.riscv.build.mcu=rv32imac
+pimoroni_plasma2350.menu.freq.150=150 MHz
+pimoroni_plasma2350.menu.freq.150.build.f_cpu=150000000L
+pimoroni_plasma2350.menu.freq.50=50 MHz
+pimoroni_plasma2350.menu.freq.50.build.f_cpu=50000000L
+pimoroni_plasma2350.menu.freq.100=100 MHz
+pimoroni_plasma2350.menu.freq.100.build.f_cpu=100000000L
+pimoroni_plasma2350.menu.freq.120=120 MHz
+pimoroni_plasma2350.menu.freq.120.build.f_cpu=120000000L
+pimoroni_plasma2350.menu.freq.125=125 MHz
+pimoroni_plasma2350.menu.freq.125.build.f_cpu=125000000L
+pimoroni_plasma2350.menu.freq.128=128 MHz
+pimoroni_plasma2350.menu.freq.128.build.f_cpu=128000000L
+pimoroni_plasma2350.menu.freq.133=133 MHz
+pimoroni_plasma2350.menu.freq.133.build.f_cpu=133000000L
+pimoroni_plasma2350.menu.freq.175=175 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.175.build.f_cpu=175000000L
+pimoroni_plasma2350.menu.freq.200=200 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.200.build.f_cpu=200000000L
+pimoroni_plasma2350.menu.freq.225=225 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.225.build.f_cpu=225000000L
+pimoroni_plasma2350.menu.freq.240=240 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.240.build.f_cpu=240000000L
+pimoroni_plasma2350.menu.freq.250=250 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.250.build.f_cpu=250000000L
+pimoroni_plasma2350.menu.freq.275=275 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.275.build.f_cpu=275000000L
+pimoroni_plasma2350.menu.freq.300=300 MHz (Overclock)
+pimoroni_plasma2350.menu.freq.300.build.f_cpu=300000000L
+pimoroni_plasma2350.menu.opt.Small=Small (-Os) (standard)
+pimoroni_plasma2350.menu.opt.Small.build.flags.optimize=-Os
+pimoroni_plasma2350.menu.opt.Optimize=Optimize (-O)
+pimoroni_plasma2350.menu.opt.Optimize.build.flags.optimize=-O
+pimoroni_plasma2350.menu.opt.Optimize2=Optimize More (-O2)
+pimoroni_plasma2350.menu.opt.Optimize2.build.flags.optimize=-O2
+pimoroni_plasma2350.menu.opt.Optimize3=Optimize Even More (-O3)
+pimoroni_plasma2350.menu.opt.Optimize3.build.flags.optimize=-O3
+pimoroni_plasma2350.menu.opt.Fast=Fast (-Ofast) (maybe slower)
+pimoroni_plasma2350.menu.opt.Fast.build.flags.optimize=-Ofast
+pimoroni_plasma2350.menu.opt.Debug=Debug (-Og)
+pimoroni_plasma2350.menu.opt.Debug.build.flags.optimize=-Og
+pimoroni_plasma2350.menu.opt.Disabled=Disabled (-O0)
+pimoroni_plasma2350.menu.opt.Disabled.build.flags.optimize=-O0
+pimoroni_plasma2350.menu.profile.Disabled=Disabled
+pimoroni_plasma2350.menu.profile.Disabled.build.flags.profile=
+pimoroni_plasma2350.menu.profile.Enabled=Enabled
+pimoroni_plasma2350.menu.profile.Enabled.build.flags.profile=-pg -D__PROFILE
+pimoroni_plasma2350.menu.rtti.Disabled=Disabled
+pimoroni_plasma2350.menu.rtti.Disabled.build.flags.rtti=-fno-rtti
+pimoroni_plasma2350.menu.rtti.Enabled=Enabled
+pimoroni_plasma2350.menu.rtti.Enabled.build.flags.rtti=
+pimoroni_plasma2350.menu.stackprotect.Disabled=Disabled
+pimoroni_plasma2350.menu.stackprotect.Disabled.build.flags.stackprotect=
+pimoroni_plasma2350.menu.stackprotect.Enabled=Enabled
+pimoroni_plasma2350.menu.stackprotect.Enabled.build.flags.stackprotect=-fstack-protector
+pimoroni_plasma2350.menu.exceptions.Disabled=Disabled
+pimoroni_plasma2350.menu.exceptions.Disabled.build.flags.exceptions=-fno-exceptions
+pimoroni_plasma2350.menu.exceptions.Disabled.build.flags.libstdcpp=-lstdc++
+pimoroni_plasma2350.menu.exceptions.Enabled=Enabled
+pimoroni_plasma2350.menu.exceptions.Enabled.build.flags.exceptions=-fexceptions
+pimoroni_plasma2350.menu.exceptions.Enabled.build.flags.libstdcpp=-lstdc++-exc
+pimoroni_plasma2350.menu.dbgport.Disabled=Disabled
+pimoroni_plasma2350.menu.dbgport.Disabled.build.debug_port=
+pimoroni_plasma2350.menu.dbgport.Serial=Serial
+pimoroni_plasma2350.menu.dbgport.Serial.build.debug_port=-DDEBUG_RP2040_PORT=Serial
+pimoroni_plasma2350.menu.dbgport.Serial1=Serial1
+pimoroni_plasma2350.menu.dbgport.Serial1.build.debug_port=-DDEBUG_RP2040_PORT=Serial1
+pimoroni_plasma2350.menu.dbgport.Serial2=Serial2
+pimoroni_plasma2350.menu.dbgport.Serial2.build.debug_port=-DDEBUG_RP2040_PORT=Serial2
+pimoroni_plasma2350.menu.dbgport.SerialSemi=SerialSemi
+pimoroni_plasma2350.menu.dbgport.SerialSemi.build.debug_port=-DDEBUG_RP2040_PORT=SerialSemi
+pimoroni_plasma2350.menu.dbglvl.None=None
+pimoroni_plasma2350.menu.dbglvl.None.build.debug_level=
+pimoroni_plasma2350.menu.dbglvl.Core=Core
+pimoroni_plasma2350.menu.dbglvl.Core.build.debug_level=-DDEBUG_RP2040_CORE
+pimoroni_plasma2350.menu.dbglvl.SPI=SPI
+pimoroni_plasma2350.menu.dbglvl.SPI.build.debug_level=-DDEBUG_RP2040_SPI
+pimoroni_plasma2350.menu.dbglvl.Wire=Wire
+pimoroni_plasma2350.menu.dbglvl.Wire.build.debug_level=-DDEBUG_RP2040_WIRE
+pimoroni_plasma2350.menu.dbglvl.Bluetooth=Bluetooth
+pimoroni_plasma2350.menu.dbglvl.Bluetooth.build.debug_level=-DDEBUG_RP2040_BLUETOOTH
+pimoroni_plasma2350.menu.dbglvl.All=All
+pimoroni_plasma2350.menu.dbglvl.All.build.debug_level=-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE -DDEBUG_RP2040_BLUETOOTH
+pimoroni_plasma2350.menu.dbglvl.NDEBUG=NDEBUG
+pimoroni_plasma2350.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
+pimoroni_plasma2350.menu.usbstack.picosdk=Pico SDK
+pimoroni_plasma2350.menu.usbstack.picosdk.build.usbstack_flags=
+pimoroni_plasma2350.menu.usbstack.tinyusb=Adafruit TinyUSB
+pimoroni_plasma2350.menu.usbstack.tinyusb.build.usbstack_flags=-DUSE_TINYUSB "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+pimoroni_plasma2350.menu.usbstack.tinyusb_host=Adafruit TinyUSB Host (native)
+pimoroni_plasma2350.menu.usbstack.tinyusb_host.build.usbstack_flags=-DUSE_TINYUSB -DUSE_TINYUSB_HOST "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+pimoroni_plasma2350.menu.usbstack.nousb=No USB
+pimoroni_plasma2350.menu.usbstack.nousb.build.usbstack_flags="-DNO_USB -DDISABLE_USB_SERIAL -I{runtime.platform.path}/tools/libpico"
+pimoroni_plasma2350.menu.ipbtstack.ipv4only=IPv4 Only
+pimoroni_plasma2350.menu.ipbtstack.ipv4only.build.libpicow=libipv4.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4only.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6=IPv4 + IPv6
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6.build.libpicow=libipv4-ipv6.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcble=IPv4 + Bluetooth
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcble.build.libpicow=libipv4-bt.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcble.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcble=IPv4 + IPv6 + Bluetooth
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcble.build.libpicow=libipv4-ipv6-bt.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcble.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1
+pimoroni_plasma2350.menu.ipbtstack.ipv4onlybig=IPv4 Only - 32K
+pimoroni_plasma2350.menu.ipbtstack.ipv4onlybig.build.libpicow=libipv4-big.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4onlybig.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -D__LWIP_MEMMULT=2
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6big=IPv4 + IPv6 - 32K
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6big.build.libpicow=libipv4-ipv6-big.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6big.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -D__LWIP_MEMMULT=2
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcblebig=IPv4 + Bluetooth - 32K
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcblebig.build.libpicow=libipv4-bt-big.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4btcblebig.build.libpicowdefs=-DLWIP_IPV6=0 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1 -D__LWIP_MEMMULT=2
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcblebig=IPv4 + IPv6 + Bluetooth - 32K
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcblebig.build.libpicow=libipv4-ipv6-bt-big.a
+pimoroni_plasma2350.menu.ipbtstack.ipv4ipv6btcblebig.build.libpicowdefs=-DLWIP_IPV6=1 -DLWIP_IPV4=1 -DENABLE_CLASSIC=1 -DENABLE_BLE=1 -D__LWIP_MEMMULT=2
+pimoroni_plasma2350.menu.uploadmethod.default=Default (UF2)
+pimoroni_plasma2350.menu.uploadmethod.default.build.ram_length=512k
+pimoroni_plasma2350.menu.uploadmethod.default.build.debugscript=picoprobe_cmsis_dap.tcl
+pimoroni_plasma2350.menu.uploadmethod.default.upload.maximum_data_size=524288
+pimoroni_plasma2350.menu.uploadmethod.default.upload.tool=uf2conv
+pimoroni_plasma2350.menu.uploadmethod.default.upload.tool.default=uf2conv
+pimoroni_plasma2350.menu.uploadmethod.default.upload.tool.network=uf2conv-network
+pimoroni_plasma2350.menu.uploadmethod.picotool=Picotool
+pimoroni_plasma2350.menu.uploadmethod.picotool.build.ram_length=512k
+pimoroni_plasma2350.menu.uploadmethod.picotool.build.debugscript=picoprobe.tcl
+pimoroni_plasma2350.menu.uploadmethod.picotool.build.picodebugflags=-DENABLE_PICOTOOL_USB
+pimoroni_plasma2350.menu.uploadmethod.picotool.upload.maximum_data_size=524288
+pimoroni_plasma2350.menu.uploadmethod.picotool.upload.tool=picotool
+pimoroni_plasma2350.menu.uploadmethod.picotool.upload.tool.default=picotool
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap=Picoprobe/Debugprobe (CMSIS-DAP)
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap.build.ram_length=512k
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap.build.debugscript=picoprobe_cmsis_dap.tcl
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.maximum_data_size=524288
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool=picoprobe_cmsis_dap
+pimoroni_plasma2350.menu.uploadmethod.picoprobe_cmsis_dap.upload.tool.default=picoprobe_cmsis_dap
+
 # -----------------------------------
 # Pimoroni Tiny2040
 # -----------------------------------
diff --git a/package/package_pico_index.template.json b/package/package_pico_index.template.json
index df3fbcf..9dac807 100644
--- a/package/package_pico_index.template.json
+++ b/package/package_pico_index.template.json
@@ -248,6 +248,9 @@
                   {
                      "name": "Pimoroni Plasma2040"
                   },
+                  {
+                     "name": "Pimoroni Plasma2350"
+                  },
                   {
                      "name": "Pimoroni Tiny2040"
                   },
diff --git a/tools/json/pimoroni_plasma2350.json b/tools/json/pimoroni_plasma2350.json
new file mode 100644
index 0000000..de15346
--- /dev/null
+++ b/tools/json/pimoroni_plasma2350.json
@@ -0,0 +1,55 @@
+{
+    "build": {
+        "arduino": {
+            "earlephilhower": {
+                "boot2_source": "none.S",
+                "usb_vid": "0x2E8A",
+                "usb_pid": "0x10A5"
+            }
+        },
+        "core": "earlephilhower",
+        "cpu": "cortex-m33",
+        "extra_flags": "-DARDUINO_PIMORONI_PLASMA2040 -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=500 ",
+        "f_cpu": "150000000L",
+        "hwids": [
+            [
+                "0x2E8A",
+                "0x00C0"
+            ],
+            [
+                "0x2E8A",
+                "0x10A5"
+            ]
+        ],
+        "mcu": "rp2350",
+        "variant": "pimoroni_plasma2350"
+    },
+    "debug": {
+        "jlink_device": "RP2350_0",
+        "openocd_target": "rp2350.cfg",
+        "svd_path": "rp2350.svd"
+    },
+    "frameworks": [
+        "arduino"
+    ],
+    "name": "Plasma2350",
+    "upload": {
+        "maximum_ram_size": 524288,
+        "maximum_size": 2097152,
+        "require_upload_port": true,
+        "native_usb": true,
+        "use_1200bps_touch": true,
+        "wait_for_upload_port": false,
+        "protocol": "picotool",
+        "protocols": [
+            "blackmagic",
+            "cmsis-dap",
+            "jlink",
+            "raspberrypi-swd",
+            "picotool",
+            "picoprobe"
+        ]
+    },
+    "url": "https://www.raspberrypi.org/products/raspberry-pi-pico/",
+    "vendor": "Pimoroni"
+}
\ No newline at end of file
diff --git a/tools/makeboards.py b/tools/makeboards.py
index 0fd1c9c..12be763 100755
--- a/tools/makeboards.py
+++ b/tools/makeboards.py
@@ -620,6 +620,7 @@ MakeBoard("pimoroni_pga2350", "rp2350", "Pimoroni", "PGA2350", "0x2e8a", "0x1018
 MakeBoard("pimoroni_pico_plus_2", "rp2350", "Pimoroni", "PicoPlus2", "0x2e8a", "0x100a", 500, "PIMORONI_PICO_PLUS_2", 16, 8, "none")
 MakeBoard("pimoroni_pico_plus_2w", "rp2350", "Pimoroni", "PicoPlus2W", "0x2e8a", "0x100a", 500, "PIMORONI_PICO_PLUS_2W", 16, 8, "none", ["PICO_CYW43_SUPPORTED=1", "CYW43_PIN_WL_DYNAMIC=1"])
 MakeBoard("pimoroni_plasma2040", "rp2040", "Pimoroni", "Plasma2040", "0x2e8a", "0x100a", 500, "PIMORONI_PLASMA2040", 2, 0, "boot2_w25q080_2_padded_checksum")
+MakeBoard("pimoroni_plasma2350", "rp2350", "Pimoroni", "Plasma2350", "0x2e8a", "0x10a5", 500, "PIMORONI_PLASMA2040", 2, 0, "none")
 MakeBoard("pimoroni_tiny2040", "rp2040", "Pimoroni", "Tiny2040", "0x2e8a", "0x100a", 500, "PIMORONI_TINY2040", 2, 0, "boot2_w25q64jv_4_padded_checksum")
 MakeBoard("pimoroni_tiny2350", "rp2350", "Pimoroni", "Tiny2350", "0x2e8a", "0x100b", 500, "PIMORONI_TINY2350", 4, 0, "none")
 
diff --git a/variants/pimoroni_plasma2040/pins_arduino.h b/variants/pimoroni_plasma2040/pins_arduino.h
index 0e953e5..b193f87 100644
--- a/variants/pimoroni_plasma2040/pins_arduino.h
+++ b/variants/pimoroni_plasma2040/pins_arduino.h
@@ -64,7 +64,7 @@ static const uint8_t A3  = (31u);
 //#define SPI_SCK        (PIN_SPI1_SCK)
 
 // Wire
-#define __WIRE0_DEVICE (i2c1)
+#define __WIRE0_DEVICE (i2c0)
 #define PIN_WIRE0_SDA  (20u)
 #define PIN_WIRE0_SCL  (21u)
 #define SDA            PIN_WIRE0_SDA
@@ -73,7 +73,7 @@ static const uint8_t A3  = (31u);
 #define I2C_SCL        (SCL)
 
 // Wire1 not pinned out
-#define __WIRE1_DEVICE (i2c0)
+#define __WIRE1_DEVICE (i2c1)
 #define PIN_WIRE1_SDA  (31u)
 #define PIN_WIRE1_SCL  (31u)
 
diff --git a/variants/pimoroni_plasma2350/pins_arduino.h b/variants/pimoroni_plasma2350/pins_arduino.h
new file mode 100644
index 0000000..d14b6f4
--- /dev/null
+++ b/variants/pimoroni_plasma2350/pins_arduino.h
@@ -0,0 +1,84 @@
+#pragma once
+
+// Pin definitions taken from:
+// https://github.com/rp-rs/rp-hal-boards/blob/main/boards/pimoroni-plasma-2040/src/lib.rs
+
+// LEDs
+#define PIN_LED        (16u)
+#define PIN_LED_R      (16u)
+#define PIN_LED_G      (17u)
+#define PIN_LED_B      (18u)
+#define LED_BUILTIN    PIN_LED
+
+// Digital pins
+#if 0
+static const uint8_t D0 = (26u);
+static const uint8_t D1 = (27u);
+static const uint8_t D2 = (28u);
+static const uint8_t D3 = (29u);
+static const uint8_t D4 = (6u);
+static const uint8_t D5 = (7u);
+static const uint8_t D6 = (0u);
+static const uint8_t D7 = (1u);
+static const uint8_t D8 = (2u);
+static const uint8_t D9 = (4u);
+static const uint8_t D10 = (3u);
+#endif
+
+// Analog pins
+static const uint8_t A0  = (26u);
+static const uint8_t A1  = (27u);
+static const uint8_t A2  = (28u);
+static const uint8_t A3  = (31u);
+#define ADC_RESOLUTION 12
+
+// NeoPixel
+#define PIN_NEOPIXEL   (15u)
+//#define NEOPIXEL_POWER (11u)
+
+// Serial1
+#define PIN_SERIAL1_TX (31u)
+#define PIN_SERIAL1_RX (31u)
+
+// Serial2 not pinned out
+#define PIN_SERIAL2_TX (31u)
+#define PIN_SERIAL2_RX (31u)
+
+// SPI
+#define PIN_SPI0_MISO  (31u)
+#define PIN_SPI0_MOSI  (31u)
+#define PIN_SPI0_SCK   (31u)
+#define PIN_SPI0_SS    (31u) // not pinned out
+//static const uint8_t SS   = PIN_SPI0_SS;   // SPI Slave SS not used. Set here only for reference.
+//static const uint8_t MOSI = PIN_SPI0_MOSI;
+//static const uint8_t MISO = PIN_SPI0_MISO;
+//static const uint8_t SCK  = PIN_SPI0_SCK;
+//
+// #define SS PIN_SPI0_SS
+
+// Not pinned out
+#define PIN_SPI1_MISO  (31u)
+#define PIN_SPI1_MOSI  (31u)
+#define PIN_SPI1_SCK   (31u)
+#define PIN_SPI1_SS    (31u)
+//#define SPI_MISO       (PIN_SPI1_MISO)
+//#define SPI_MOSI       (PIN_SPI1_MOSI)
+//#define SPI_SCK        (PIN_SPI1_SCK)
+
+// Wire
+#define __WIRE0_DEVICE (i2c0)
+#define PIN_WIRE0_SDA  (20u)
+#define PIN_WIRE0_SCL  (21u)
+#define SDA            PIN_WIRE0_SDA
+#define SCL            PIN_WIRE0_SCL
+#define I2C_SDA        (SDA)
+#define I2C_SCL        (SCL)
+
+// Wire1 not pinned out
+#define __WIRE1_DEVICE (i2c1)
+#define PIN_WIRE1_SDA  (31u)
+#define PIN_WIRE1_SCL  (31u)
+
+#define SERIAL_HOWMANY (0u)
+#define SPI_HOWMANY    (0u)
+#define WIRE_HOWMANY   (1u)