diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index 9ef9681..6552aff 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -73,6 +73,12 @@ jobs:
             platforms: |
               - name: esp32:esp32
                 source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+          - fqbn: arduino:renesas_portenta:portenta_c33
+            platforms: |
+              - name: arduino:renesas_portenta
+          - fqbn: arduino:renesas_uno:minima
+            platforms: |
+              - name: arduino:renesas_uno
 
     steps:
       - name: Checkout
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..93c700e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.vscode/
+.idea/
diff --git a/README.md b/README.md
index 0db1f2f..85fbaa6 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,4 @@ This library works for
 * [ArduinoCore-mbed](https://github.com/arduino/ArduinoCore-mbed): [`Portenta H7`](https://store.arduino.cc/portenta-h7), [`Nano 33 BLE`](https://store.arduino.cc/arduino-nano-33-ble), [`Nano RP2040 Connect`](https://store.arduino.cc/nano-rp2040-connect), [`Edge Control`](https://store.arduino.cc/edge-control) :heavy_check_mark:
 * [arduino-esp32](https://github.com/espressif/arduino-esp32): `ESP32 Dev Module`, `ESP32 Wrover Module`, ... :heavy_check_mark:
 * [arduino-esp8266](https://github.com/esp8266/Arduino) :heavy_check_mark:
+* [ArduinoCore-renesas](https://github.com/arduino/ArduinoCore-renesas): [`Portenta C33`](https://store.arduino.cc/products/portenta-c33), [`Uno R4 WiFi`](https://store.arduino.cc/products/uno-r4-wifi), [`Uno R4 Minima`](https://store.arduino.cc/products/uno-r4-minima), ... :heavy_check_mark:
diff --git a/library.properties b/library.properties
index a45255d..8754c5f 100644
--- a/library.properties
+++ b/library.properties
@@ -6,6 +6,6 @@ sentence=Arduino library for TCS3472 color sensor
 paragraph=
 category=Sensors
 url=https://github.com/107-systems/107-Arduino-TCS3472
-architectures=samd,mbed,mbed_nano,mbed_portenta,mbed_edge,esp8266
+architectures=samd,mbed,mbed_nano,mbed_portenta,mbed_edge,esp8266,renesas_portenta,renesas_uno
 includes=107-Arduino-TCS3472.h
 depends=