Assallamualaikum,
Saja nak share projek terbaru saya, sekarang ni masih dalam 40% completion. Cerita pasal cuaca lah pulak yek..
Pernah dengar 1-Wire technology.
What so special about it---?
Tengok diagram
Dengan 1 wayar RJ45/11/12 kita boleh daisy-chain multiple sensor (environmental-- temp, solar, humidity, rain , pressure etc.) dan dapatkan output ke komputer kita.
Boleh baca
http://www.sensorsmag.com/articles/0501/34/main.shtmlKalau nak detail how it works :-
One Wire BusBaru ni saya order complete kit dari
HobbY BoardsAda macam2 sensor.
Saya order yang ni
This all-in-one device allows you to measure temperature, humidity, and solar radiation in a single device. Our combination offers a substantial savings over purchasing separate devices. These units can be used to monitor environmental conditions and are an essential part of your total weather station.
You may wish to install these in multiple outdoor locations to monitor conditions for your garden and landscape areas, enabling you to select the plants most suited to the available sunlight. The solar detector detects light in the visible to infrared portion of the spectrum, with peak detection at 860nm and an acceptance angle of 140 degrees.
This device comes with dual RJ45 connectors, as well as screw terminals, for easy connection to your 1-wire network. We have also added a voltage regulator the solar sensor portion of the circuit, to prevents the sensor from overloading the 1-wire network when light levels are extremely high. This device can optionally use external power of 9-24 volts DC. Either our Power Injector or our 6 Channel Hub would provide the needed power.
Connection wise --
Board------USB/Serial Adapter-->PC
Ada 2 respected software untuk Linux bagi projek ni
http://owfs.sourceforge.net/dan
http://oww.sourceforge.net/
Yang ni wind gauge. Yang ni takde budget lagi nak beli
Dan boleh generate graphs.
dan Rain Gauge ni..
Barang baru sampai semalam.
Soon saya akan update progress.
TAI8520 1-Wire Temperature Sensor
Rain Gauge
TAI8575B 1-Wire Rain Gauge
Based on the La Crosse Technology WS-7047U Wired Rain Meter, the TAI8575B is the perfect companion for the TAI8515 1-Wire weather Station
Features
* Fully 1-Wire compatible
* Li battery backup for the 1-Wire counter
* Measures 1/100th of an inch per tip
* Rainfall Sensor Self-Empties Via Tilting Cups
* Actual Size: 4.5" x 3.5" x 2"
Ni kotak yang saya dapat:-
Nanti saya akan update perkembangan terbaru. Baru ni 2xPC saya kena lightning so tertangguh sekejap projek ni.. insyaallah akan jalan semula.
