diff --git a/library.properties b/library.properties
index 13bd6d0..793bda1 100644
--- a/library.properties
+++ b/library.properties
@@ -1,11 +1,11 @@
 # Fill in information about your library then remove # from the start of lines
 # https://docs.particle.io/guide/tools-and-features/libraries/#library-properties-fields
 name=electronsample
-version=0.2.3
+version=0.2.4
 author=rickkas7@rickkas7.com
 license=MIT
 sentence=Utilities for Electron fault tolerance
 # paragraph=a longer description of this library
 url=https://github.com/rickkas7/electronsample
 repository=https://github.com/rickkas7/electronsample.git
-architectures=electron
+architectures=electron,photon
diff --git a/package.json b/package.json
index 41f58ff..7765f35 100644
--- a/package.json
+++ b/package.json
@@ -16,4 +16,4 @@
     "engines": {
         "node": ">=4.3.2"
     }
-}
\ No newline at end of file
+}
diff --git a/src/AppWatchdogWrapper.cpp b/src/AppWatchdogWrapper.cpp
index 5ea1549..aed6bbe 100644
--- a/src/AppWatchdogWrapper.cpp
+++ b/src/AppWatchdogWrapper.cpp
@@ -4,6 +4,10 @@
 
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 // Note: The 1800 parameter is because the default stack size is too small in 0.7.0
 AppWatchdogWrapper::AppWatchdogWrapper(unsigned long timeoutMs) : wd(timeoutMs, watchdogCallback, 1800) {
 
@@ -22,3 +26,5 @@ void AppWatchdogWrapper::watchdogCallback() {
 	ConnectionEvents::addEvent(ConnectionEvents::CONNECTION_EVENT_APP_WATCHDOG);
 	System.reset();
 }
+
+#endif // Wiring_Cellular
diff --git a/src/AppWatchdogWrapper.h b/src/AppWatchdogWrapper.h
index 4128cdf..e173740 100644
--- a/src/AppWatchdogWrapper.h
+++ b/src/AppWatchdogWrapper.h
@@ -3,6 +3,10 @@
 
 #include "Particle.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 class AppWatchdogWrapper {
 public:
 	AppWatchdogWrapper(unsigned long timeoutMs = 60000);
@@ -15,4 +19,6 @@ class AppWatchdogWrapper {
 
 };
 
+#endif // Wiring_Cellular
+
 #endif // __APPWATCHDOGWRAPPER_H
diff --git a/src/BatteryCheck.cpp b/src/BatteryCheck.cpp
index 0fe72b8..39aab19 100644
--- a/src/BatteryCheck.cpp
+++ b/src/BatteryCheck.cpp
@@ -2,6 +2,10 @@
 
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 static FuelGauge fuel;
 static PMIC pmic;
 
@@ -36,3 +40,4 @@ void BatteryCheck::checkAndSleepIfNecessary() {
 
 }
 
+#endif // Wiring_Cellular
diff --git a/src/BatteryCheck.h b/src/BatteryCheck.h
index c8250be..d1c4d32 100644
--- a/src/BatteryCheck.h
+++ b/src/BatteryCheck.h
@@ -3,6 +3,10 @@
 
 #include "Particle.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 class BatteryCheck {
 public:
 	BatteryCheck(float minimumSoC = 15.0, long sleepTimeSecs = 3600);
@@ -22,4 +26,6 @@ class BatteryCheck {
 	unsigned long lastCheckMs = 0;
 };
 
+#endif // Wiring_Cellular
+
 #endif // __BATTERYCHECK_H
diff --git a/src/ConnectionCheck.cpp b/src/ConnectionCheck.cpp
index 79f9b75..d0e18a2 100644
--- a/src/ConnectionCheck.cpp
+++ b/src/ConnectionCheck.cpp
@@ -2,6 +2,10 @@
 
 #include "ConnectionCheck.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 ConnectionCheck *ConnectionCheck::instance;
 
 retained ConnectionCheckRetainedData ConnectionCheck::connectionCheckRetainedData;
@@ -143,3 +147,4 @@ void ConnectionCheck::fullModemReset() {
 	System.sleep(SLEEP_MODE_DEEP, 10);
 }
 
+#endif // Wiring_Cellular
diff --git a/src/ConnectionCheck.h b/src/ConnectionCheck.h
index 15b9456..35357ce 100644
--- a/src/ConnectionCheck.h
+++ b/src/ConnectionCheck.h
@@ -3,6 +3,10 @@
 
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 // This structure is what's stored in retained memory
 typedef struct {
 	uint32_t magic;
@@ -43,4 +47,5 @@ class ConnectionCheck {
 	static ConnectionCheckRetainedData connectionCheckRetainedData;
 };
 
+#endif /* Wiring_Cellular */
 #endif /* __CONNECTIONCHECK_H */
diff --git a/src/ConnectionEvents.cpp b/src/ConnectionEvents.cpp
index 0a798a4..e0c4aaa 100644
--- a/src/ConnectionEvents.cpp
+++ b/src/ConnectionEvents.cpp
@@ -1,6 +1,9 @@
 
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
 
 // This is where the retained memory is allocated. Currently 522 bytes.
 // There are checks in ConnectionsEvents::setup() to initialize it on first
@@ -127,5 +130,4 @@ void ConnectionEvents::addEvent(int eventCode, int data) {
 	}
 }
 
-
-
+#endif // Wiring_Cellular
diff --git a/src/ConnectionEvents.h b/src/ConnectionEvents.h
index c314a86..571d6a8 100644
--- a/src/ConnectionEvents.h
+++ b/src/ConnectionEvents.h
@@ -3,6 +3,10 @@
 
 #include "Particle.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 // This code is used to track connection events, used mainly for debugging
 // and making sure this code works properly.
 const size_t CONNECTION_EVENTS_MAX_EVENTS = 32;
@@ -101,5 +105,5 @@ class ConnectionEvents {
 	static ConnectionEvents *instance;
 };
 
-
+#endif /* Wiring_Cellular */
 #endif /* __CONNECTIONEVENTS_H */
diff --git a/src/SessionCheck.cpp b/src/SessionCheck.cpp
index 1f316a3..4a9ffab 100644
--- a/src/SessionCheck.cpp
+++ b/src/SessionCheck.cpp
@@ -2,6 +2,10 @@
 #include "SessionCheck.h"
 #include "ConnectionCheck.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 retained SessionRetainedData SessionCheck::sessionRetainedData;
 
 
@@ -113,3 +117,4 @@ void SessionCheck::waitForResponseState() {
 	}
 }
 
+#endif // Wiring_Cellular
diff --git a/src/SessionCheck.h b/src/SessionCheck.h
index b899956..800de0e 100644
--- a/src/SessionCheck.h
+++ b/src/SessionCheck.h
@@ -3,6 +3,10 @@
 
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 // This structure is what's stored in retained memory
 typedef struct {
 	uint32_t magic;
@@ -40,4 +44,5 @@ class SessionCheck {
 	static SessionRetainedData sessionRetainedData;
 };
 
+#endif /* Wiring_Cellular */
 #endif /* __SESSIONCHECK_H  */
diff --git a/src/Tester.cpp b/src/Tester.cpp
index bb877b7..5362504 100644
--- a/src/Tester.cpp
+++ b/src/Tester.cpp
@@ -5,6 +5,10 @@
 #include "ConnectionCheck.h"
 #include "ConnectionEvents.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 Tester::Tester(const char *functionName, int sleepTestPin) :
 	functionName(functionName), sleepTestPin(sleepTestPin) {
 
@@ -176,3 +180,5 @@ void Tester::processOptions(char *mutableData) {
 	}
 
 }
+
+#endif // Wiring_Cellular
diff --git a/src/Tester.h b/src/Tester.h
index 8f91b28..f2b79a9 100644
--- a/src/Tester.h
+++ b/src/Tester.h
@@ -3,6 +3,10 @@
 
 #include "Particle.h"
 
+// This check is here so it can be a library dependency for a library that's compiled for both
+// cellular and Wi-Fi.
+#if Wiring_Cellular
+
 class Tester {
 public:
 	Tester(const char *functionName, int sleepTestPin = -1);
@@ -25,5 +29,5 @@ class Tester {
 	int pingCounter = 0;
 };
 
+#endif // Wiring_Cellular
 #endif // __TESTER_H
-