diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dfd8ba4..88aadb1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -242,15 +242,54 @@ jobs:
           verbose: true
   build-etherenc:
     name: "Build Test (EtherENC): ${{matrix.board.arch}}:${{matrix.board.name}}"
-    runs-on: ubuntu-latest
+        runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         board:
+          - vendor: arduino
+            arch: avr
+            name: uno
+          - vendor: arduino
+            arch: megaavr
+            name: uno2018
+          - vendor: arduino
+            arch: samd
+            name: mkrvidor4000
+          - vendor: arduino
+            arch: samd
+            name: mkrwifi1010
+          - vendor: arduino
+            arch: samd
+            name: mkr1000
+          - vendor: arduino
+            arch: samd
+            name: nano_33_iot
+          - vendor: esp8266
+            arch: esp8266
+            name: generic
+          - vendor: esp32
+            arch: esp32
+            name: esp32
+          - vendor: esp32
+            arch: esp32
+            name: esp32s3
+          - vendor: esp32
+            arch: esp32
+            name: esp32c3
           - vendor: rp2040
             arch: rp2040
-            name: rpipico
+            name: rpipicow
         include:
+          - index: https://downloads.arduino.cc/packages/package_index.json
+            board:
+              vendor: arduino
+          - index: https://arduino.esp8266.com/stable/package_esp8266com_index.json
+            board:
+              vendor: esp8266
+          - index: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+            board:
+              vendor: esp32
           - index: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
             board:
               vendor: rp2040
diff --git a/README.md b/README.md
index 1d8aa13..a3f7011 100644
--- a/README.md
+++ b/README.md
@@ -41,19 +41,15 @@ If you have already installed this library, please follow:
 - ESP32 (Ethernet and ETH)
 - ESP8266
 - Almost all platforms without WiFi
-- Raspberry Pi Pico with ENC28J60 (please read following section)
+- Anyplatform supported by ENC28J60 (please read following section)
 
 <details>
-  <summary>Notes for Raspberry Pi Pico with ENC28J60 (click to expand)</summary>
+  <summary>Notes for ENC28J60 ethernet controller (click to expand)</summary>
 
-When using the ENC28J60 controller with Raspberry Pi Pico (no wifi)
+When using the ENC28J60 controller
 
 - make sure to install the [EthernetENC](https://github.com/JAndrassy/EthernetENC) library
 - simply replace `#include <Artnet.h>` with `#include <ArtnetEtherENC.h>`
-
-Default wiring diagram provided by [@tobiasvogel](https://github.com/tobiasvogel)
-
-![Wiring Diagram](/pi-pico-enc28j60-wiring.svg)
 </details>
 
 ## Usage
@@ -215,12 +211,11 @@ void loop() {
 
 - You can set Net (0-127) and Sub-Net (0-15) like `artnet.begin(net, subnet)`
 - Universe (0-15) can be set in `artnet.subscribe(universe, callback)`,
-- Callbacks are limited to 4 universes (depending on the spec of Art-Net)
 - These universes (targets of the callbacks) are reflected to `net_sw` `sub_sw` `sw_in` in `ArtPollreply` automatically
 
 ```C++
 artnet.begin(net, subnet); // net and subnet can be set only once
-artnet.subscribe(univ1, callback1); // 4 callbacks can be set
+artnet.subscribe(univ1, callback1); // callbacks can be set
 artnet.subscribe(univ2, callback2); // these universes are reported to
 artnet.subscribe(univ3, callback3); // Art-Net controller if it polls
 artnet.subscribe(univ4, callback4); // Art-Net devices
@@ -229,7 +224,7 @@ artnet.subscribe(univ4, callback4); // Art-Net devices
 Or you can register callbacks based on 15 bit universe. But these universes are not reflected to `ArtPollReply` automatically.
 
 ```C++
-artnet.subscribe15bit(univ15bit1, callback1); // 4 callbacks can be set
+artnet.subscribe15bit(univ15bit1, callback1); // callbacks can be set
 artnet.subscribe15bit(univ15bit2, callback2); // these universes are NOT reported to
 artnet.subscribe15bit(univ15bit3, callback3); // Art-Net controller if it polls
 artnet.subscribe15bit(univ15bit4, callback4); // Art-Net devices