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--- doc:appunti:hardware:raspberry_explorer [2018/10/16 22:21] – [gpxlogger bug] niccolo
+++ doc:appunti:hardware:raspberry_explorer [2018/11/26 09:42] (current) – [Time Syncronization with GPS and NTP] niccolo
@@ Line 42: / Line 42: @@
 {{ .:raspberrypi:raspberry_pi_cam_miuzei_ov5647.jpg?direct&180|Image captured by the OV5647 camera}}
 The camera mounted in our kit is based on the **OV5647 sensor**, capable of 2592x1944 pixels (**5 Mpixels**). The camera has a **wide viewing angle** of 175°. The camera requires a **manual focus adjust**, turning the lens mount clockwise or counerclockwise. The focus resulted a bit critical: trying to focus to infinity it resulted that the mere rotation of 1/16 of a turn, can **mess-out the focus** very badly. Also the quality of the pictures is **not exceptional**, they miss the crisp level that we would expect from a 5 Mpixels sensor.
+===== Other Sensors =====
+{{.:raspberrypi:sensors-front.jpg?direct&500|Misc sensors: GPS, Accel & Gyro, Magnetic, Pressure}}
+{{.:raspberrypi:sensors-back.jpg?direct&500|Sensor's Back Side}}
+  * **GPS u-blox NEO-6**
+  * **GY-521: MPU-6050 Accelerometer and Gyroscope**
+  * **GY-273: QMC5883L 3-Axis Magnetic Sensor**
+  * **GYBMEP: BME280 pressure, humidity and temperature sensor**
 ===== Software Setup =====
@@ Line 229: / Line 240: @@
 ===== GPS u-blox NEO-6 =====
-A cheap alternative to the Adafruit Ultimate GPS HAT is the **u-blox NEO-6 GPS** module. I has a serial interface and a pin to carry the PPS signal.
+{{.:raspberrypi:neo-6m-gps.jpg?direct&180|u-blox NEO-6 GPS with small antenna}}
+{{.:raspberrypi:neo-6m-gps_back.jpg?direct&180|u-blox NEO-6 GPS back view}}
+A cheap alternative to the Adafruit Ultimate GPS HAT is the **u-blox NEO-6 GPS** module. It has a serial interface and a pin to carry the PPS signal.
 ^ u-blox  ^ Raspberry Pi                ^
@@ Line 265: / Line 280: @@
 </file>
-At the next reboot you should read the following kernel logs via **dmesg**:
+At the next reboot the kernel modules **pps_core** and **pps_gpio** will be loaded and you should read the following kernel logs via **dmesg**:
 <code>