Weather station

Weather station related items
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R229.90  Inc VAT
This is a nice board to add to your weather station or irrigation automation project
R49.43  Inc VAT
With the weather:bit you will have access to barometric pressure, relative humidity and temperature readings. There are also connections on this carrier board to optional sensors such as wind speed, direction, rain gauge and soil readings!
R359.90  Inc VAT
R379.90  Inc VAT
R329.00  Inc VAT
Waterproof DS18B20 Digital temperature sensor + Resistor (2B3 Waterproof DS18B20 temp)

This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C. Because they are digital, you don't get any signal degradation even over long distances! These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the same pin, each one has a unique 64-bit ID burned in at the factory to differentiate them. Usable with 3.0-5.0V systems.

The only downside is they use the Dallas 1-Wire protocol, which is somewhat complex, and requires a bunch of code to parse out the communication. If you want something really simple, and you have an analog input pin, the TMP36 is trivial to get going.

We toss in a 4.7k resistor, which is required as a pullup from the DATA to VCC line when using the sensor.
 

Technical Details

Cable specs:

  • Stainless steel tube 6mm diameter by 30mm long
  • Cable is 36" long / 91cm, 4mm diameter
  • Contains DS18B20 temperature sensor
  • If your sensor has four wires - Red connects to 3-5V, Black connects to ground and White is data. The copper wire is soldered to the wire shielding
  • If your sensor has three wires - Red connects to 3-5V, Blue/Black connects to ground and Yellow/White is data

DS18B20 Technical specs:

  • Usable temperature range: -55 to 125°C (-67°F to +257°F)
  • 9 to 12 bit selectable resolution
  • Uses 1-Wire interface- requires only one digital pin for communication
  • Unique 64 bit ID burned into chip
  • Multiple sensors can share one pin
  • ±0.5°C Accuracy from -10°C to +85°C
  • Temperature-limit alarm system
  • Query time is less than 750ms
  • Usable with 3.0V to 5.5V power/data
R75.66  Inc VAT
Soil Hygrometer Humidity Detection Moisture Sensor (2B4 moisture probe hygrometer)

This is a summary of the soil moisture sensor that can be used to detect moisture, when the soil is dry, the module outputs a high level. Use this sensor to build an automatic watering system.


Operating voltage: 3.3V~5V.
Adjustable sensitivity (blue digital potentiometer adjustment)
Dual output mode,analog output more accurate.
A fixed bolt hole for easy installation.
Power indicator (red) and digital switching output indicator (green).
LM393 comparator chip, stable.
PCB Dimension: 3cm x 1.5cm.
Soil Probe Dimension: 6cm x 2cm.
Cable Length: 21cm.

VCC: 3.3V-5V.
GND: GND.
DO: digital output interface (0 and 1).
AO: analog output interface.


Package Includes:

1 x Soil moisture detector module
1 x Probe
5 x Jumper Cables

R30.16  Inc VAT
DHT11 Temperature and Relative Humidity Sensor Module (2B3 DHT11 temp/humid)

Product information
This module can detect humidity and temperature of the surrounding environment. Outputs a digital signal. Has a mounting hole for easy installation. Includes 3 DuPont wires to interface to microcontroller.

Specifications
Humidity measurement range: 20%~90% RH
Humidity measurement error: ±5% RH
Temperature measurement range: 0~60 Cƒ
Working voltage: 5V
Size: 28 x 12 x 8mm

Package includes
1 x DHT11 Temperature and Relative Humidity Sensor Module

R45.39  Inc VAT
AM2302 DHT22 Temperature And Humidity Sensor Module (2B3 DHT22 temp/humid)

Features:

AM2302 Humicap digital temperature and humidity module is a digital output signal containing a calibrated temperature and humidity combined sensor. It uses dedicated digital module capture technology and temperature and humidity sensor technology to ensure that products has high reliability and excellent long-term stability. Sensor includes a capacitive humidity sensing element and a high-precision temperature measurement device, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, low cost and other advantages. Ultra-small size, low power consumption, signal transmission distance up to 20 meters. Making it the best choice for all kinds of applications and even the most demanding applications.

Applications:

HVAC (Heating Ventilation Air Conditioning), dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, home appliances, humidity regulator, medical,weather stations, and other related humidity detection control.

Specification:

Dimensions: 40 x 23mm
Weight: 4g
Voltage: 5V
Port: digital two-way single bus
Temperature range: -40 to 80 °C ± 0.5 °C
Humidity: 20 to 90% RH ± 2% RH
Platform: Arduino, SBC

Package includes:

1 x Sensor Module

R109.96  Inc VAT
BMP180 Digital Barometric Pressure Sensor Board Module (2B3 Barometric sensor)

Product information
This digital barometer has some interesting applications. By measuring the absolute pressure of the environment and converting this into altitude. you will have a reliable sensor for determining the height of your robot, plane or projectile. This sensor is capable of achieving an accuracy of 1m, with noise of only 17cm in ultra-high resolution. The device will operate at only 0.3uA meaning low current draw for battery powered applications.

Specifications
1.8V to 3.6V Supply Voltage
Low power consumption - 0.5uA at 1Hz
I2C interface
Max I2C Speed: 3.5 MHz
Very low noise - up to 0.02hPa (17cm)
Fully calibrated
Pressure Range: 300hPa to 1100hPa (+9000m to -500m)
Weight: 1.18g
Size: 21mm x 18mm

Package includes
1 x BMP180 Digital Barometric Pressure Sensor Board Module
1 x Male to Male 4 pin header

R59.90  Inc VAT
MS Rain Gauge (3A2 MS Rain Gauge)
MS rain gauge as used in the Raspberry Pi foundation weather station project to measure rainfall.
Hack this component to form part of your weather station.

View the project details here

And some more help here

Article specific to the rain gauge only
R229.90  Inc VAT
Rain Detector Weather Sensor Module (2B3 Rain Detector)
Description: The item is for use as a rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the AO output. The sensor uses FR-04 high-quality double-sided material, King Size 5.0 * 4.0CM, and with a surface of nickel plating treatment against oxidation for superior performance and longevity; The output is in the form of digital switching outputs (0 and 1) and analog AO voltage output; Sensitivity can be adjusted via the potentiometer LED lights up when there is no rain, output is high. Specifications: Small board PCB size: 32mm x 14mm Operating voltage: 3.3V-5V How to use: Connected to 5V power supply, the power indicator will light up. With no water droplets, DO output is high, LED turns off. Dropping on a drop of water, DO output is low, the indicator light switch on, Brush off the the above water droplets, has returned to output high state. . . . Connection mode: 1, VCC: positive power supply (3-5V) 2, GND: negative one. 3, DO: TTL switching signal output 4, AO: Analog signal output Package includes: 1 x Rain sensing board 1 x Control board 5 x 20cm Dupont Line
This is a nice board to add to your weather station or irrigation automation project
R49.43  Inc VAT
SparkFun weather:bit (3A3 weather:bit sparkfun)

The SparkFun weather:bit is a fully loaded “carrier” board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional weather station.

With the weather:bit you will have access to barometric pressure, relative humidity and temperature readings. There are also connections on this carrier board to optional sensors such as wind speed, direction, rain gauge and soil readings! The micro:bit has a lot of features and a lot of potential for weather data collection.

The weather:bit connects to the micro:bit via an edge connector at the top of the board, making setup easy. This creates a handy way to swap out micro:bits for programming, while still providing reliable connections to all of the different pins on the micro:bit. SparkFun have also included serial and I2C ports on the weather:bit for optimized connectivity if you so choose.

More about micro:bit and Sparkfun available at https://youtu.be/APcshxydBYI

Features:

  • Onboard temperature, humidity, pressure and light sensor
  • Connectors for soil moisture and soil temperature
  • Connectors for wind speed, direction and rainfall gauges
  • Edge connector for easy micro:bit integration
With the weather:bit you will have access to barometric pressure, relative humidity and temperature readings. There are also connections on this carrier board to optional sensors such as wind speed, direction, rain gauge and soil readings!
R359.90  Inc VAT
SparkFun Photon Weather Shield (3A5 Photon weather shield)

The SparkFun Photon Weather Shield is an easy-to-use add-on board that grants you access to barometric pressure, relative humidity, and temperature. There are also connections on this shield to optional sensors such as wind speed, direction, rain gauge and soil readings!

These Weather Shields utilize the Si7021 temperature/humidity and MPL3115A2 barometric pressure sensors. Each shield comes with two RJ11 connectors (for optional hookup of rain and wind sensors) and a 3-pin soil temperature and moisture hookup. Finally, each Weather Shield can attach effectively and easily to your Photon in no time at all!

The Particle Photon is a tiny WiFi development kit for creating connected projects and products. Sporting a 120MHz ARM Cortex M3 and built-in WiFi, the Photon is not only powerful but easy to use. The small form factor is ideal for IoT projects with cloud connectivity.

Tutorial available at https://learn.sparkfun.com/tutorials/photon-weather-shield-hookup-guide-v11?_ga=2.23032699.1516636509.1529323495-1940173922.1507527227

Features

  • Humidity/Temperature Sensor — Si7021
  • Barometric Pressure — MPL3115A2
  • Headers and Connectors Pre-Soldered
  • Compatible with the Photon and the Core

Documents

 

R659.90  Inc VAT
Particle Photon (Headers) (3B5 Particle Photon(Headers))

Particle’s IoT (Internet of Things) hardware development board, the Photon, provides everything you need to build a connected project. Particle has combined a powerful 120MHz ARM Cortex M3 microcontroller with a Broadcom WiFi chip in a tiny thumbnail-sized module called the PØ (P-Zero).

These specific Photons come with headers, making prototyping easy as each board can plug directly into standard breadboards and perfboards, and may also be mounted with 0.1" pitch female headers on a PCB. The Photon is not only powerful, but easy to use. The small form factor is ideal for IoT projects with cloud-connectivity. To get you started quickly, Particle has added a rock solid 3.3VDC SMPS power supply, RF and user interface components to the PØ all on a small single-sided PCB.

Your Photon comes with access to the Particle Cloud, a free cloud service. The Particle Cloud has some great features for building connected projects, including over-the-air firmware updates, an easy-to-use REST API, and firmware development supported by web and local IDEs.

Features

  • Particle PØ Wi-Fi module
    • Broadcom BCM43362 Wi-Fi chip
    • 802.11b/g/n Wi-Fi
    • STM32F205 120Mhz ARM Cortex M3
    • 1MB flash, 128KB RAM
  • On-board RGB status LED (ext. drive provided)
  • 18 Mixed-signal GPIO and advanced peripherals
  • Open source design
  • Real-time operating system (FreeRTOS)
  • Soft AP setup
  • FCC, CE and IC certified
  • Pre-Soldered Headers

Documents

R379.90  Inc VAT
The Weather Board w/Grove - Interface board for Weather Instruments for Raspberry Pi / Arduino (3A3 weather board)

Want to build a Weather Station with the board?

Look at these two sources (more on the way):

 

WeatherBoard Specification - http://www.switchdoc.com/wp-content/uploads/2016/07/WeatherBoard_CurrentSpecification.pdf

 

New GroveWeatherPi Tutorial - http://www.switchdoc.com/2016/08/tutorial-part-1-building-a-solar-powered-raspberry-pi-weather-station-groveweatherpi/

 

Weather Board[/caption] The Weather Board is a weather station controller board designed to interface to Arduino and Raspberry Pi computers.  It is an interface board developed by SwitchDoc Labs to allow the user to easily build a fully functioned Weather Station while allowing customization of functions. The Weather Board is derived from Project Curacao and the WeatherPiArduino.  Generation 1 of this board was deployed and tested in Curacao before Generation 2 was released to production.  The full WeatherPiArduino article was published in Raspberry Pi Geek magazine in September, 2014 and a follow up article has been published in April, 2015 (including the new lightning detector).  The Weather Board comes with a SwitchDoc Labs DS3231/EEPROM board. Combine the Weather Board with a SunAir or SunAirPlus board to create a solar powered weather station.

 Block Diagram



Jumper and pug locations

Downloads for the Weather Board

New!    The new Weather Board software auto detects your weather devices and can be configured for the MOD-1016G Lightning Detector and SunAirPlus for Solar Power.

  • Arduino Software is here.
  • Arduino Software for the WeatherRack and the Weather Board is here.
  • Raspberry Pi Software is here.
  • WeatherRack Software can be found here.
  • You can download the Full Weather Board Specification here .   The specification contains wiring lists for connecting the Weather Board to the Raspberry Pi and the Arduino family of products.

Interfaces on Weather Board

  • I2C for Raspberry Pi and Arduino (Board works at 3.3V and 5V)
  • RJ11 Plugs installed for SwitchDoc Labs WeatherRack, etc.
  • Wind Vane, Rain Bucket, Anemometer computer connections for Raspberry Pi and Arduino
  • Grove Connections for all interfaces

I2C devices Included with the Weather Board

Plug in I2C Interfaces provided

  • Embedded Adventures I2C Lightning Detector MOD-1016 board
  • Adafruit HTU21D-F Temperature/Humidity breakout board
  • Adafruit 32KB FRAM I2C breakout board
  • Adafruit ADS1015 4 Channel A/D I2C board

I2C Device Specifications

BMP280 (Barometer / Temperature) DS3231 (Real Time Clock) AT24C32 (EEPROM) ADS1015 (12 bit ADC) AS3935 (MOD-1016 - Lightning Detector) HTU21D-F (Humidity) FRAM (32KB Fast Non-Volatile Storage)

Want to build a control panel for the Weather Board?  Look at this post and the picture below:

 The SDL_Weather_80422 class library is designed to provide all the functions of the SwitchDoc WeatherRack, ArgentData Weather Sensors,  SparkFun Weather Meters SEN-08942 in one C++ class. The library is easy to use and hides the complexity of the interface to the sensors.  The C++ class has two Interrupt Service Routines (ISR), one each for the anemometer and the rain bucket.  The wind vane is connected to an Analog to Digital Converter (ADC) input pin on the Arduino.  Note that the C++ class is designed to be a singleton, in other words, you only can interface one sensor package without some additional work (mostly involving Interrupts).  The article in Raspberry Pi Geek magazine discusses this in detail. There are two main modes for the class.

SDL_MODE_SAMPLE

SDL_MODE_SAMPLE mode means return immediately after asking for the wind speed. The wind speed is averaged at sampleTime or since you last asked, whichever is longer. If the sample time has not passed since the last call, the class returns the last calculated wind speed. That means that you will never see changes faster than the specified sample time. This allows you to not wait for the wind speed, you can just grab the last valid reading.

SDL_MODE_DELAY

SDL_MODE_DELAY mode means to wait for the set sample time to expire and return the average wind speed at the expiration. You would use this if you want to make sure you have the latest value and your program architecture allows you to pause for the sample time before continuing. Which mode you use depends on the specific software architecture of your Arduino application. Typically, I use SDL_MODE_SAMPLE because I can tolerate not having a current value of wind speed. The example code for the SDL_Weather_80422 library is shown below:

R432.27  Inc VAT
R533.64
MS Top double mounting arm spare part for weather station (MS top mount double)
This is the top double mount arm spare part for the weather station.
It can support the below:

R75.90  Inc VAT
MS Anemometer for windspeed (3A2 MS anemometer)
MS Anemometer as used in the Raspberry Pi foundation weather station project to measure windspeed.
Hack this component to form part of your weather station.

View the project details here

And some more help here

Article specific to the anemometer only
R329.00  Inc VAT
MS Wind Direction Sensor (3A2 MS wind vane)
MS wind vane as used in the Raspberry Pi foundation weather station project to measure wind direction.
Hack this component to form part of your weather station.

View the project details here

And some more help here

Article specific to the wind vane only
R329.00  Inc VAT
MS Spare parts kit (outdoor unit) for DIY Wireless Weather Station (weather sensor kit)

Description:

This kit includes all the sensor parts to build your own DIY weather station

Includes the below parts:

R979.90  Inc VAT
MS Side mounting arm for rain gauge spare part for weather station (MS side bracket weather)
This side mounted bracket is used for the rain gauge on the weather station pole
R75.90  Inc VAT
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