>sigh< espressif/arduino-esp32#10683

Author: ladyada

Diff for: wled00/pin_manager.cpp

@@ -215,9 +215,8 @@ bool PinManager::isPinOk(byte gpio, bool output)
     // GPIO46 is input only and pulled down
   #else
 
-    Serial.printf("GPIO TEST %d\n\r", gpio);
-    if (strncmp_P(PSTR("ESP32-U4WDH"), ESP.getChipModel(), 11) == 0) {
-      Serial.println("U4WDH");
+    if ((strncmp_P(PSTR("ESP32-U4WDH"), ESP.getChipModel(), 11) == 0) ||    // this is the correct identifier, but....
+        (strncmp_P(PSTR("ESP32-PICO-D2"), ESP.getChipModel(), 13) == 0)) {  // https://github.com/espressif/arduino-esp32/issues/10683
       // this chip has 4 MB of internal Flash and different packaging, so available pins are different!
       if ((gpio == 1) || (gpio == 3) || ((gpio >= 6) && (gpio <= 8)) ||
           (gpio == 11) || (gpio == 16) || (gpio == 17) || (gpio == 20) ||