diff --git a/src/PresenceGpio.cpp b/src/PresenceGpio.cpp
new file mode 100644
index 0000000..6c528d7
--- /dev/null
+++ b/src/PresenceGpio.cpp
@@ -0,0 +1,118 @@
+/*
+// Copyright (c) 2018 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#include "PresenceGpio.hpp"
+
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/posix/stream_descriptor.hpp>
+#include <gpiod.hpp>
+
+#include <iostream>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <system_error>
+
+PresenceGpio::~PresenceGpio()
+{
+    gpioLine.release();
+}
+
+void PresenceGpio::updateAndTracePresence()
+{
+    status = (gpioLine.get_value() != 0);
+    if (status)
+    {
+        logPresent(deviceName);
+    }
+    else
+    {
+        logRemoved(deviceName);
+    }
+}
+
+EventPresenceGpio::EventPresenceGpio(
+    const std::string& iDeviceType, const std::string& iDeviceName,
+    const std::string& gpioName, bool inverted, boost::asio::io_context& io) :
+    PresenceGpio(iDeviceType, iDeviceName), gpioFd(io)
+{
+    gpioLine = gpiod::find_line(gpioName);
+    if (!gpioLine)
+    {
+        std::cerr << "Error requesting gpio: " << gpioName << "\n";
+        return;
+    }
+
+    try
+    {
+        gpioLine.request(
+            {deviceType + "Sensor", gpiod::line_request::EVENT_BOTH_EDGES,
+             inverted ? gpiod::line_request::FLAG_ACTIVE_LOW : 0});
+        updateAndTracePresence();
+
+        int gpioLineFd = gpioLine.event_get_fd();
+        if (gpioLineFd < 0)
+        {
+            std::cerr << "Failed to get " << gpioName << " fd\n";
+            throw std::runtime_error("Failed to get GPIO fd " + gpioName);
+        }
+
+        gpioFd.assign(gpioLineFd);
+    }
+    catch (const std::system_error& e)
+    {
+        std::cerr << "Error reading gpio " << gpioName << ": " << e.what()
+                  << "\n";
+        return;
+    }
+
+    monitorPresence();
+}
+
+void EventPresenceGpio::monitorPresence()
+{
+    std::weak_ptr<EventPresenceGpio> weakRef = weak_from_this();
+    gpioFd.async_wait(
+        boost::asio::posix::stream_descriptor::wait_read,
+        [weakRef](const boost::system::error_code& ec) {
+            std::shared_ptr<EventPresenceGpio> self = weakRef.lock();
+            if (!self)
+            {
+                std::cerr << "Failed to get lock for eventPresenceGpio: "
+                          << ec.message() << "\n";
+                return;
+            }
+            if (ec)
+            {
+                if (ec != boost::system::errc::bad_file_descriptor)
+                {
+                    std::cerr
+                        << "Error on event presence device " << self->deviceName
+                        << ": " << ec.message() << "\n";
+                }
+                return;
+            }
+            self->read();
+            self->monitorPresence();
+        });
+}
+
+void EventPresenceGpio::read()
+{
+    // Read is invoked when an edge event is detected by monitorPresence
+    gpioLine.event_read();
+    updateAndTracePresence();
+}