diff --git a/modules/pico-sdk/1.6.0-rc1/MODULE.bazel b/modules/pico-sdk/1.6.0-rc1/MODULE.bazel
new file mode 100644
index 00000000000..6c2b70542b8
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/MODULE.bazel
@@ -0,0 +1,102 @@
+module(name = "pico-sdk", version = "1.6.0-rc1")
+
+bazel_dep(name = "platforms", version = "0.0.8")
+
+bazel_dep(name = "bazel_skylib", version = "1.6.1")
+
+bazel_dep(name = "rules_python", version = "0.22.1")
+
+# Note: rules_cc is special-cased repository; a dependency on rules_cc in a
+# module will not ensure that the root Bazel module has that same version of
+# rules_cc. For that reason, this primarily acts as a FYI. You'll still need
+# to explicitly list this dependency in your own project's MODULE.bazel file.
+bazel_dep(name = "rules_cc", version = "0.0.9")
+
+# rules_cc v0.0.10 is not yet cut, so manually pull in the desired version.
+# This does not apply to dependent projects, so it needs to be copied to your
+# project's MODULE.bazel too.
+archive_override(
+    module_name = "rules_cc",
+    urls = "https://github.com/bazelbuild/rules_cc/archive/1acf5213b6170f1f0133e273cb85ede0e732048f.zip",
+    strip_prefix = "rules_cc-1acf5213b6170f1f0133e273cb85ede0e732048f",
+    integrity = "sha256-NddP6xi6LzsIHT8bMSVJ2NtoURbN+l3xpjvmIgB6aSg=",
+)
+
+http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "arm_gcc_linux-x86_64",
+    url = "https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-x86_64-arm-none-eabi.tar.xz",
+    strip_prefix = "arm-gnu-toolchain-13.2.Rel1-x86_64-arm-none-eabi",
+    build_file = "//bazel/toolchain:gcc_arm_none_eabi.BUILD",
+    sha256 = "6cd1bbc1d9ae57312bcd169ae283153a9572bd6a8e4eeae2fedfbc33b115fdbb",
+)
+
+http_archive(
+    name = "arm_gcc_win-x86_64",
+    url = "https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-mingw-w64-i686-arm-none-eabi.zip",
+    strip_prefix = "arm-gnu-toolchain-13.2.Rel1-mingw-w64-i686-arm-none-eabi",
+    build_file = "//bazel/toolchain:gcc_arm_none_eabi.BUILD",
+    sha256 = "51d933f00578aa28016c5e3c84f94403274ea7915539f8e56c13e2196437d18f",
+)
+
+http_archive(
+    name = "arm_gcc_mac-x86_64",
+    url = "https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-darwin-x86_64-arm-none-eabi.tar.xz",
+    strip_prefix = "arm-gnu-toolchain-13.2.Rel1-darwin-x86_64-arm-none-eabi",
+    build_file = "//bazel/toolchain:gcc_arm_none_eabi.BUILD",
+    sha256 = "075faa4f3e8eb45e59144858202351a28706f54a6ec17eedd88c9fb9412372cc",
+)
+
+http_archive(
+    name = "arm_gcc_mac-aarch64",
+    url = "https://developer.arm.com/-/media/Files/downloads/gnu/13.2.rel1/binrel/arm-gnu-toolchain-13.2.rel1-darwin-arm64-arm-none-eabi.tar.xz",
+    strip_prefix = "arm-gnu-toolchain-13.2.Rel1-darwin-arm64-arm-none-eabi",
+    build_file = "//bazel/toolchain:gcc_arm_none_eabi.BUILD",
+    sha256 = "39c44f8af42695b7b871df42e346c09fee670ea8dfc11f17083e296ea2b0d279",
+)
+
+# TODO: Provide tinyusb as a proper Bazel module.
+http_archive(
+    name = "tinyusb",
+    url = "https://github.com/hathach/tinyusb/archive/86c416d4c0fb38432460b3e11b08b9de76941bf5.zip",
+    strip_prefix = "tinyusb-86c416d4c0fb38432460b3e11b08b9de76941bf5",
+    build_file = "//src/rp2_common/tinyusb:tinyusb.BUILD",
+    sha256 = "ac57109bba00d26ffa33312d5f334990ec9a9a4d82bf890ed8b825b4610d1da2",
+)
+
+# TODO: Provide btstack as a proper Bazel module.
+http_archive(
+    name = "btstack",
+    url = "https://github.com/bluekitchen/btstack/archive/72ef1732c954d938091467961e41f4aa9b976b34.zip",
+    strip_prefix = "btstack-72ef1732c954d938091467961e41f4aa9b976b34",
+    build_file = "//src/rp2_common/pico_btstack:btstack.BUILD",
+    sha256 = "f45d72b5d404dd2f8e311287de6f2ba3561fc8ae956737eeb611b277aadc2391",
+)
+
+# TODO: Provide btstack as a proper Bazel module.
+http_archive(
+    name = "cyw43-driver",
+    url = "https://github.com/georgerobotics/cyw43-driver/archive/8ef38a6d32c54f850bff8f189bdca19ded33792a.zip",
+    strip_prefix = "cyw43-driver-8ef38a6d32c54f850bff8f189bdca19ded33792a",
+    build_file = "//src/rp2_common/pico_cyw43_driver:cyw43-driver.BUILD",
+    sha256 = "0b44a19ea58537ee954357606cde5ed20c3a42be77adfebb07b7c0e4740f6228",
+)
+
+# TODO: Provide lwip as a proper Bazel module.
+http_archive(
+    name = "lwip",
+    url = "https://github.com/lwip-tcpip/lwip/archive/239918ccc173cb2c2a62f41a40fd893f57faf1d6.zip",
+    strip_prefix = "lwip-239918ccc173cb2c2a62f41a40fd893f57faf1d6",
+    build_file = "//src/rp2_common/pico_lwip:lwip.BUILD",
+    sha256 = "7ee9e02f2719c0422377e1fcce5a21716ca2e2e855cca56695f9ef7cb020e5dd",
+)
+
+register_toolchains(
+    "//bazel/toolchain:arm_gcc_linux-x86_64",
+    "//bazel/toolchain:arm_gcc_win-x86_64",
+    "//bazel/toolchain:arm_gcc_mac-x86_64",
+    "//bazel/toolchain:arm_gcc_mac-aarch64",
+    # Require users to opt-in to the Pico SDK's toolchains.
+    dev_dependency = True,
+)
diff --git a/modules/pico-sdk/1.6.0-rc1/patches/0001-Minimal-fixes-for-BCR.patch b/modules/pico-sdk/1.6.0-rc1/patches/0001-Minimal-fixes-for-BCR.patch
new file mode 100644
index 00000000000..453e84961b7
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/patches/0001-Minimal-fixes-for-BCR.patch
@@ -0,0 +1,20 @@
+diff --git a/MODULE.bazel b/MODULE.bazel
+index 883fad7..6c2b705 100644
+--- a/MODULE.bazel
++++ b/MODULE.bazel
+@@ -4,6 +4,8 @@ bazel_dep(name = "platforms", version = "0.0.8")
+ 
+ bazel_dep(name = "bazel_skylib", version = "1.6.1")
+ 
++bazel_dep(name = "rules_python", version = "0.22.1")
++
+ # Note: rules_cc is special-cased repository; a dependency on rules_cc in a
+ # module will not ensure that the root Bazel module has that same version of
+ # rules_cc. For that reason, this primarily acts as a FYI. You'll still need
+@@ -95,4 +97,6 @@ register_toolchains(
+     "//bazel/toolchain:arm_gcc_win-x86_64",
+     "//bazel/toolchain:arm_gcc_mac-x86_64",
+     "//bazel/toolchain:arm_gcc_mac-aarch64",
++    # Require users to opt-in to the Pico SDK's toolchains.
++    dev_dependency = True,
+ )
diff --git a/modules/pico-sdk/1.6.0-rc1/patches/0002-Add-Bazel-example-for-BCR.patch b/modules/pico-sdk/1.6.0-rc1/patches/0002-Add-Bazel-example-for-BCR.patch
new file mode 100644
index 00000000000..25be21eafa2
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/patches/0002-Add-Bazel-example-for-BCR.patch
@@ -0,0 +1,74 @@
+diff --git a/bazel/example/.bazelrc b/bazel/example/.bazelrc
+new file mode 100644
+index 0000000..d30eca5
+--- /dev/null
++++ b/bazel/example/.bazelrc
+@@ -0,0 +1 @@
++build --@rules_cc//cc/toolchains:experimental_enable_rule_based_toolchains
+diff --git a/bazel/example/BUILD.bazel b/bazel/example/BUILD.bazel
+new file mode 100644
+index 0000000..1457241
+--- /dev/null
++++ b/bazel/example/BUILD.bazel
+@@ -0,0 +1,5 @@
++cc_binary(
++    name = "hello_world",
++    srcs = ["hello_world.c"],
++    deps = ["@pico-sdk//src/common/pico_stdlib:pico_stdlib"],
++)
+diff --git a/bazel/example/MODULE.bazel b/bazel/example/MODULE.bazel
+new file mode 100644
+index 0000000..d50c4bd
+--- /dev/null
++++ b/bazel/example/MODULE.bazel
+@@ -0,0 +1,28 @@
++bazel_dep(name = "pico-sdk", version = "1.6.0-rc1")
++
++# DO NOT copy this line to your project, this is just to make it so this example
++# can reference the rest of the repository.
++local_path_override(module_name = "pico-sdk", path = "../..")
++
++# Note: rules_cc is special-cased repository; a dependency on rules_cc in a
++# module will not ensure that the root Bazel module has that same version of
++# rules_cc. For that reason, this primarily acts as a FYI. You'll still need
++# to explicitly list this dependency in your own project's MODULE.bazel file.
++bazel_dep(name = "rules_cc", version = "0.0.9")
++
++# rules_cc v0.0.10 is not yet cut, so manually pull in the desired version.
++# This does not apply to dependent projects, so it needs to be copied to your
++# project's MODULE.bazel too.
++archive_override(
++    module_name = "rules_cc",
++    urls = "https://github.com/bazelbuild/rules_cc/archive/1acf5213b6170f1f0133e273cb85ede0e732048f.zip",
++    strip_prefix = "rules_cc-1acf5213b6170f1f0133e273cb85ede0e732048f",
++    integrity = "sha256-NddP6xi6LzsIHT8bMSVJ2NtoURbN+l3xpjvmIgB6aSg=",
++)
++
++register_toolchains(
++    "@pico-sdk//bazel/toolchain:arm_gcc_linux-x86_64",
++    "@pico-sdk//bazel/toolchain:arm_gcc_win-x86_64",
++    "@pico-sdk//bazel/toolchain:arm_gcc_mac-x86_64",
++    "@pico-sdk//bazel/toolchain:arm_gcc_mac-aarch64",
++)
+diff --git a/bazel/example/hello_world.c b/bazel/example/hello_world.c
+new file mode 100644
+index 0000000..cf3dfd2
+--- /dev/null
++++ b/bazel/example/hello_world.c
+@@ -0,0 +1,16 @@
++/**
++ * Copyright (c) 2024 Raspberry Pi (Trading) Ltd.
++ *
++ * SPDX-License-Identifier: BSD-3-Clause
++ */
++
++#include <stdio.h>
++#include "pico/stdlib.h"
++
++int main() {
++    stdio_init_all();
++    while (true) {
++        printf("Hello, world!\n");
++        sleep_ms(1000);
++    }
++}
diff --git a/modules/pico-sdk/1.6.0-rc1/patches/0003-Pioasm-MSVC-workaround.patch b/modules/pico-sdk/1.6.0-rc1/patches/0003-Pioasm-MSVC-workaround.patch
new file mode 100644
index 00000000000..35b1c499b2f
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/patches/0003-Pioasm-MSVC-workaround.patch
@@ -0,0 +1,17 @@
+diff --git a/tools/pioasm/BUILD.bazel b/tools/pioasm/BUILD.bazel
+index c9fd601..c9a252e 100644
+--- a/tools/pioasm/BUILD.bazel
++++ b/tools/pioasm/BUILD.bazel
+@@ -4,6 +4,12 @@ package(default_visibility = ["//visibility:public"])
+ 
+ cc_library(
+     name = "pioasm_core",
++    # TODO: Only required for MSVC, but this will apply whenever Windows is
++    # targeted.
++    defines = select({
++        "@platforms//os:windows": ["YY_NO_UNISTD_H=1"],
++        "//conditions:default": [],
++    }),
+     srcs = [
+         "gen/lexer.cpp",
+         "gen/location.h",
diff --git a/modules/pico-sdk/1.6.0-rc1/presubmit.yml b/modules/pico-sdk/1.6.0-rc1/presubmit.yml
new file mode 100644
index 00000000000..d45bab2714d
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/presubmit.yml
@@ -0,0 +1,14 @@
+bcr_test_module:
+  module_path: bazel/example
+  matrix:
+    platform: ["debian10", "ubuntu2004", "macos", "macos_arm64", "windows"]
+  tasks:
+    run_test_module_build:
+      name: "Build test"
+      platform: ${{ platform }}
+      bazel: "7.x"
+      build_flags:
+        - "--platforms=@pico-sdk//bazel/platform:rp2040"
+      build_targets:
+        - "//:hello_world"
+        - "@pico-sdk//..."
diff --git a/modules/pico-sdk/1.6.0-rc1/source.json b/modules/pico-sdk/1.6.0-rc1/source.json
new file mode 100644
index 00000000000..ac8ef037903
--- /dev/null
+++ b/modules/pico-sdk/1.6.0-rc1/source.json
@@ -0,0 +1,11 @@
+{
+    "integrity": "sha256-7coOEe7V7Y11X+n4qkAIPsR+OjB7Bibc9Ofxwb9ZSpA=",
+    "strip_prefix": "pico-sdk-6ff3e4fab27441de19fd53c0eb5aacbe83a18221",
+    "url": "https://github.com/raspberrypi/pico-sdk/archive/6ff3e4fab27441de19fd53c0eb5aacbe83a18221.tar.gz",
+    "patch_strip": 1,
+    "patches": {
+        "0001-Minimal-fixes-for-BCR.patch": "sha256-e9F+Avyz5U89+12sJxJ6PqytGw87UlGrBGI6W5SGLqw=",
+        "0002-Add-Bazel-example-for-BCR.patch": "sha256-tEUaoqOZrv9JsAycO9FQq9xHfbwqTvPCEqUt5XIYrwU=",
+        "0003-Pioasm-MSVC-workaround.patch": "sha256-fHBGTRUHYlKv01ajgdWjCkZChS8piVXICuZFFFUUE7I="
+    }
+}
diff --git a/modules/pico-sdk/metadata.json b/modules/pico-sdk/metadata.json
new file mode 100644
index 00000000000..642a71b754a
--- /dev/null
+++ b/modules/pico-sdk/metadata.json
@@ -0,0 +1,28 @@
+{
+    "homepage": "https://www.raspberrypi.com/documentation/pico-sdk/",
+    "maintainers": [
+        {
+            "github": "armandomontanez",
+            "name": "Armando Montanez"
+        },
+        {
+            "github": "kilograham",
+            "name": "Graham Sanderson"
+        },
+        {
+            "github": "tpudlik",
+            "name": "Ted Pudlik"
+        },
+        {
+            "email": "pigweed-team@googlegroups.com",
+            "name": "The Pigweed Team"
+        }
+    ],
+    "repository": [
+        "github:raspberrypi/pico-sdk"
+    ],
+    "versions": [
+        "1.6.0-rc1"
+    ],
+    "yanked_versions": {}
+}