Support for the ClimateGuard RadSens Geiger-Muller tube (#5425)

src/modules/Telemetry/Sensor/CGRadSensSensor.h

@@ -0,0 +1,30 @@
+/*
+ *  Support for the ClimateGuard RadSens Dosimeter
+ *  A fun and educational sensor for Meshtastic; not for safety critical applications.
+ */
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <Wire.h>
+
+class CGRadSensSensor : public TelemetrySensor
+{
+  private:
+    uint8_t _addr = 0x66;
+    TwoWire *_wire = &Wire;
+
+  protected:
+    virtual void setup() override;
+    void begin(TwoWire *wire = &Wire, uint8_t addr = 0x66);
+    float getStaticRadiation();
+
+  public:
+    CGRadSensSensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+};
+
+#endif