diff --git a/src/grovecircularled/grovecircularled.h b/src/grovecircularled/grovecircularled.h index 86663a85..44c8bdfa 100644 --- a/src/grovecircularled/grovecircularled.h +++ b/src/grovecircularled/grovecircularled.h @@ -57,6 +57,9 @@ namespace upm { * * @brief API for Grove Circular LED module * + * This is a circular LED ring based on the MY9221 chip. It is often used + * with a rotary encoder and has 24 controllable LEDs. + * * @image html grovecircularled.jpg * @snippet grovecircularled.cxx Interesting */