Overview Boards V2

Overview

Boardnumber	Location	M9N GNSS	IMU	static pressure	dynamic pressure	comment
1	Klaus	yes	yes	yes	yes	lab tests at home
2	Klaus	no	yes	yes	yes	field-test ASK21 D-9181
3	Florian -> Max	yes	yes	yes	yes
4	Florian -> Max	no	yes	yes	yes
5	Florian	no	yes	yes	yes
6	Florian	no	(yes) later	(yes) later	(yes) later	powersupply testing -> completion afterwards
7	Florian -> Stefan	yes	yes	yes	yes
8	Florian -> Horst	yes	yes	yes	yes
9	Florian -> Horst	yes	yes	yes	yes
10	Florian -> Horst	yes	yes	yes	yes

Modifcations

This section provides an overview over which modifictions are applied to the prototypboards

Boardnumber	Mod1 CANBus	Mod2	Mod3	Mod4
1	?	no	no	no
2	?	no	no	no
3	no	no	no	no
4	no	no	no	no
5	no	no	no	no
6	no	no	no	no
7	no	no	no	no
8	yes	no	no	no
9	yes	no	no	no
10	yes	no	no	no

Mod 1 CANBus

Pins of the CAN connector were swapped in V2 to get the differential signal on a single twisted pair in a standard Ethernet cable. This Mod revereses this modification such that the sensor is compatible with "old" hardware

Powersupply measurements prior soldering

Voltagemeasurements by simple Multimeter Voltcraft VC140

Supply	VDC = 10V	VDC = 10V	VDC = 10V	VDC = 10V	VDC = 18V	VDC = 18V	VDC = 18V	VDC = 18V	USB ESP	USB STM32	USB GPS
measured Rail	+5V	+3V3	+3V3A	3.3VA_IN	+5V	+3V3	+3V3A	3.3VA_IN	USB_BOOST_PWR	USB_BOOST_PWR	USB_BOOST_PWR
1
2
3	4.97	3.28	3.28	4.32	4.97	3.28	3.28	4.32	13.41	13.40	13.41
4	4.95	3.26	3.28	4.30	4.95	3.26	3.28	4.30	13.44	13.44	13.44
5	4.97	3.24	3.28	4.32	4.97	3.24	3.29	4.32	13.44	13.44	13.44
6	4.94	3.28	3.27	4.29	4.94	3.28	3.29	4.29	13.41	13.41	13.42
7	4.95	3.28	3.27	4.30	4.95	3.28	3.27	4.31	13.44	13.44	13.44
8	4.95	3.28	3.28	4.31	4.95	3.28	3.29	4.31	13.41	13.41	13.41
9	4.94	3.27	3.28	4.30	4.94	3.27	3.28	4.30	13.33	13.33	13.33
10	4.97	3.27	3.28	4.32	4.97	3.27	3.28	4.32	13.32	13.32	13.32

Noise p-p measurements by KS EDU1002G

Short ciruit noise of KS EDU1002 ~ Vpp 4-5mV -> Noise in 3V3A rail below noise of the measurement device

Supply	VDC = 10V	VDC = 10V	VDC = 10V	USB GPS
measured Rail	+5V (Vpp mV)	+3V3 (Vpp mV)	+3V3A (Vpp mV)	USB_BOOST_PWR (Vpp mv)
1
2
3	22	10	4	11
4	22	11	5	12
5	21	10	4	14
6	28	11	5	12
7	22	11	4	13
8	27	11	5	13
9	21	11	4	18
10	22	10	4	15

Current consumtion measured by Junsi DX8

Supply	VDC = 10V	VDC = 10V	VDC = 10V	USB GPS
measured Rail	+5V (Vpp mV)	+3V3 (Vpp mV)	+3V3A (Vpp mV)	USB_BOOST_PWR (Vpp mv)
1
2
3	22	10	4	11
4	22	11	5	12
5	21	10	4	14
6	28	11	5	12
7	22	11	4	13
8	27	11	5	13
9	21	11	4	18
10	22	10	4	15

Debug Output V2 nach Programmierung

3

Sensor ID = 063b7616 acc -0.23 0.01 -9.59 gyro -0.04 0.07 0.03 mag -0.26 0.49 0.92 pitot / Pa -5.78 pabs / hPa 966.16 pabs RMS / Pa 1.41 temp 24.51 Ubatt 13.50 GNSS time 0:3:36

4

Sensor ID = 0632761c acc 0.04 -0.12 -9.71 gyro 0.11 0.13 0.06 mag -0.21 0.46 0.96 pitot / Pa -4.73 pabs / hPa 966.45 pabs RMS / Pa 1.40 temp 24.41 Ubatt 13.69 GNSS time 0:0:0

5

Sensor ID = 06347629 acc -0.10 -0.86 -9.50 gyro 0.04 0.04 0.03 mag -0.25 0.52 0.87 pitot / Pa -3.15 pabs / hPa 966.56 pabs RMS / Pa 1.39 temp 24.38 Ubatt 13.67 GNSS time 0:0:0

6

Sensor ID = 0633762d acc 0.00 0.00 0.00 gyro 0.00 0.00 0.00 mag 0.00 0.00 0.00 pitot / Pa 0.00 pabs / hPa 0.00 pabs RMS / Pa 0.00 temp 0.00 Ubatt 13.40 GNSS time 0:0:0

7

Sensor ID = 063c7614 acc -0.10 -0.40 -9.57 gyro 0.07 0.11 -0.04 mag -0.23 0.48 0.91 pitot / Pa 1.57 pabs / hPa 966.36 pabs RMS / Pa 1.20 temp 23.84 Ubatt 13.42 GNSS time 0:0:22

8

Sensor ID = 063c7616 acc -0.05 0.02 -9.61 gyro 0.12 0.09 0.02 mag -0.28 0.39 0.92 pitot / Pa -5.26 pabs / hPa 964.36 pabs RMS / Pa 1.69 temp 25.32 Ubatt 13.55 GNSS time 0:0:22

9

Sensor ID = 063c7602 acc -0.39 -0.17 -9.59 gyro 0.05 0.00 -0.07 mag -0.21 0.43 0.93 pitot / Pa -501.89 pabs / hPa 966.38 pabs RMS / Pa 1.42 temp 24.76 Ubatt 13.40 GNSS time 0:0:11

10

Sensor ID = 063e760f acc -0.34 -0.13 -9.53 gyro 0.12 -0.07 -0.03 mag -0.19 0.38 0.92 pitot / Pa 7.89 pabs / hPa 966.53 pabs RMS / Pa 1.83 temp 22.76 Ubatt 13.39 GNSS time 0:0:15