Experiments with Trimble's Lassen IQ: Unterschied zwischen den Versionen
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7 Vcc 3,3±0,3V (ca. 33mA) | 7 Vcc 3,3±0,3V (ca. 33mA) | ||
8 Batterie 2,5-3,6V (ca. 19μA) | 8 Batterie 2,5-3,6V (ca. 19μA) | ||
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+ | == Homebrew Data Logger == | ||
+ | |||
+ | Actually, this might be my first ARDUINO project. | ||
+ | |||
+ | A glance at the others: | ||
+ | * http://nomadness.com/gps-datalogger | ||
+ | * http://elmicro.com/de/arduino.html | ||
+ | * http://www.mikrocontroller.net/topic/72507 | ||
+ | * http://www.mikrocontroller.net/topic/68257#new | ||
+ | |||
+ | I'm still unsure how to do it... |
Version vom 2. August 2009, 02:51 Uhr
The Lassen IQ is a GPS receiver that is extremely power efficient. Here are some links:
Here's a little theory on satellite navigation:
And here it is:
Inhaltsverzeichnis
1 APRS-Tracker
The challenge is to build a high performance tracker as power efficient and as space-efficient as it can be.
Ingredients:
- Trimble LassenIQ
- Trimble ANT
- OpenTracker SMT
1.1 The OpenTracker SMT
Here's a photo of the OpenTracker SMT. It's really small:
The tracker's inner values:
- Voltage: DC 6.5 to 28V unregulated or 5V DC regulated
- Current: 8 mA idle, 20 mA transmitting Max 200 mA @ 5 V available for GPS
- Modes: 1200 bps AFSK (send and receive); 300 bps AFSK, PSK31 (send only)
- Radio Connector: pin header
- Serial Connector: pin header
- Dimensions: 31mm x 18mm x 5mm
- GPS interface: NMEA in/out
Pinout:
Pin Name Funktion 1 5VIN Geregelter 5-Volt-Eingang 2 RxD RS-232 Data in der (vom GPS oder Computer) 3 1Wire Dallas 1-Draht-Bus für externe Sensoren 4 AOUT Audio-Ausgang an Radio 5 ADC5 Analog-Eingang 6 T1CH1 Timer-Kanal 7 ADC6 Analog-Eingang 8 RST Reset (active low) 9 ADC7 Analog-Eingang 10 IRQ- Transmit-now, Profil wählen, oder Zähler 11 ADC8 Analog-Eingang 12 ADC9 Analog-Eingang 13 AIN Audio-Eingang von Radio 14 ADC4 Analog-Eingang 15 ADC3 Analog-Eingang 16 TXD RS-232 Data aus 17 rot rot LED-Ausgang 18 grün grün LED-Ausgang 19 ADC2 Analog-Eingang 20 ADC1 Analog-Eingang 21 PTT Push-to-talk-Signal an Radio 22 REGOUT Regulator-Ausgang - 5 Volt 23 GND Ground 24 REGIN Regulator-Eingang - 6,5 bis 28 Volt
1.2 Pinouts for the LassenIQ
Pin-Nr. Funktion Beschreibung 1 TXD A Sendeleitung der seriellen Schnittstelle 2 GND Masse 3 RXD A Empfangsleitung der seriellen Schnittstelle 4 PPS Puls pro Sekunde 5 reserviert nicht verbinden 6 reserviert nicht verbinden 7 Vcc 3,3±0,3V (ca. 33mA) 8 Batterie 2,5-3,6V (ca. 19μA)
2 Homebrew Data Logger
Actually, this might be my first ARDUINO project.
A glance at the others:
- http://nomadness.com/gps-datalogger
- http://elmicro.com/de/arduino.html
- http://www.mikrocontroller.net/topic/72507
- http://www.mikrocontroller.net/topic/68257#new
I'm still unsure how to do it...