diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.cpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.cpp
index fc9f2cf..b68972a 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.cpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.cpp
@@ -60,13 +60,11 @@ bool DigitalInputCard::begin()
     if (!this->inputBankA.begin())
     {
         ESP_LOGE("DigitalInputCard", "Input Card ERROR: Failed to install input bank A");
-        this->initOk = false;
         return false;
     }
     if (!this->inputBankB.begin())
     {
         ESP_LOGE("DigitalInputCard", "Input Card ERROR: Failed to install input bank B");
-        this->initOk = false;
         return false;
     }
     // Set the debounce time for all pins to 50ms
@@ -81,7 +79,6 @@ bool DigitalInputCard::begin()
         this->pinMap[i] = i;
         this->virtualPinMap[i] = i;
     }
-    this->initOk = true;
     return true;
 }
 
@@ -105,11 +102,6 @@ bool DigitalInputCard::digitalRead(uint8_t pin)
  */
 bool DigitalInputCard::digitalRead(uint8_t pin, bool refresh)
 {
-    if(!this->initOk)
-    {
-        ESP_LOGE("DigitalInputCard", "Input Card ERROR: Card not initialized");
-        return false;
-    }
     pin = pinMap[pin];
     // First check if the pin is in bank A or B
     if (pin >= 0 && pin <= 7)
@@ -128,7 +120,7 @@ bool DigitalInputCard::digitalRead(uint8_t pin, bool refresh)
         // Extract the bit from the buffer
         return ((inputBufferB >> (15 - pin)) & 1);
     }
-    return false;
+    return 255;
 }
 
 /**
@@ -299,11 +291,6 @@ uint8_t DigitalInputCard::registerCallback(std::function<void(uint8_t, bool)> ca
  */
 void DigitalInputCard::refreshInputBankA()
 {
-    if(!this->initOk)
-    {
-        ESP_LOGE("DigitalInputCard", "Input Card ERROR: Card not initialized");
-        return;
-    }
     inputBufferA = inputBankA.read8();
 }
 
@@ -312,11 +299,6 @@ void DigitalInputCard::refreshInputBankA()
  */
 void DigitalInputCard::refreshInputBankB()
 {
-    if(!this->initOk)
-    {
-        ESP_LOGE("DigitalInputCard", "Input Card ERROR: Card not initialized");
-        return;
-    }
     inputBufferB = inputBankB.read8();
 }
 
@@ -388,14 +370,4 @@ void DigitalInputCard::preloadInputBuffer()
     refreshInputBankB();
     previousInputBufferA = inputBufferA;
     previousInputBufferB = inputBufferB;
-}
-
-/**
- * @brief Get the status of the card
- *
- * @return True if the card is initialized, false otherwise
- */
-bool DigitalInputCard::getStatus()
-{
-    return this->initOk;
 }
\ No newline at end of file
diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.hpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.hpp
index d73f639..f5587ba 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.hpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputCard.hpp
@@ -43,12 +43,9 @@ class DigitalInputCard : public ExpansionCard {
         void loadPinMap(uint8_t pinMap[16]);
         // Preload previousInputBuffer and inputBuffer
         void preloadInputBuffer();
-        // Status of card
-        bool getStatus();
         // Get type of card
         uint8_t getType();
     private:
-        bool initOk = false;
         PCF8574 inputBankA;
         PCF8574 inputBankB;
         uint8_t address_a;
diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputIoT.cpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputIoT.cpp
index ac1ba0c..f138e52 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputIoT.cpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/DigitalInputIoT.cpp
@@ -17,9 +17,6 @@
  */
 bool DigitalInputIoT::begin(uint8_t card_id, ExpansionCard *card, PubSubClient *mqtt, char *base_topic) {
     this->card = (DigitalInputCard *)card;
-    if(!this->card->getStatus()) {
-        return false;
-    }
     this->card_id = card_id;
     this->mqtt = mqtt;
     this->base_topic = base_topic;
diff --git a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
index d0837f8..4107ba0 100644
--- a/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
+++ b/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaIoT.cpp
@@ -144,12 +144,6 @@ void ESPMegaIoT::registerCard(uint8_t card_id)
     {
         return;
     }
-    // Check if the physical card is installed
-    if (cards[card_id] == NULL)
-    {
-        ESP_LOGE("ESPMegaIoT", "Registering card %d failed: Card not installed", card_id);
-        return;
-    }
     // Get the card type
     uint8_t card_type = cards[card_id]->getType();
     // Create the respective IoT component
diff --git a/ESPMegaPRO-OS-SDK/src/main.cpp b/ESPMegaPRO-OS-SDK/src/main.cpp
index 62e7079..4c79918 100644
--- a/ESPMegaPRO-OS-SDK/src/main.cpp
+++ b/ESPMegaPRO-OS-SDK/src/main.cpp
@@ -27,7 +27,6 @@
 //  #define CT_ENABLE
 //  #define SMART_VARIABLE_ENABLE
 #define EXTERNAL_DIGITAL_OUTPUT_CARD_ENABLE
-#define EXTERNAL_DIGITAL_INPUT_CARD_ENABLE
 // Demo PLC firmware using the ESPMegaPRO OOP library
 
 ESPMegaPRO espmega = ESPMegaPRO();
@@ -36,15 +35,6 @@ ESPMegaPRO espmega = ESPMegaPRO();
 DigitalOutputCard externalDigitalOutputCard = DigitalOutputCard(1, 0, 1, 1, 0);
 #endif
 
-#ifdef EXTERNAL_DIGITAL_INPUT_CARD_ENABLE
-void handleExternalDigitalInput(uint8_t pin, uint8_t state)
-{
-    Serial.printf("Digital Input External %d: %d\n", pin, state);
-}
-
-DigitalInputCard externalDigitalInputCard = DigitalInputCard(0, 0, 1, 0, 1, 1);
-#endif
-
 // Remote Variable
 #ifdef REMOTE_VARIABLE_ENABLE
 RemoteVariable testVar = RemoteVariable();
@@ -182,10 +172,6 @@ void setup()
     espmega.begin();
 #ifdef EXTERNAL_DIGITAL_OUTPUT_CARD_ENABLE
     espmega.installCard(6, &externalDigitalOutputCard);
-#endif
-#ifdef EXTERNAL_DIGITAL_INPUT_CARD_ENABLE
-    espmega.installCard(7, &externalDigitalInputCard);
-    externalDigitalInputCard.registerCallback(handleExternalDigitalInput);
 #endif
     espmega.setTimezone("UTC-7");
     ESP_LOGI("Initializer", "Enabling IOT module");
@@ -230,10 +216,6 @@ void setup()
     ESP_LOGI("Initializer", "Registering cards 6");
     espmega.iot->registerCard(6);
 #endif
-#ifdef EXTERNAL_DIGITAL_INPUT_CARD_ENABLE
-    ESP_LOGI("Initializer", "Registering cards 7");
-    espmega.iot->registerCard(7);
-#endif
 #endif
     ESP_LOGI("Initializer", "Registering Input change callback");
     espmega.inputs.registerCallback(input_change_callback);