2009
10.24

In a recent shopping spre I bought some new arduino stuff to play with.

This is the rest of the parts I received:

Arduino Sensor Shield

Arduino Sensor Shield

The Arduino Sensor Shield is a handy extension for attaching sensors and servo’s using standard cables

The shields provides you with:

  • 6 analog connectors ( 5 on the left and one on the bottom )
  • 13 digital IO headers (4 x 4 3-pin headers )
  • 6 analog IO headers ( 6 3-pin headers )
  • Communication port ( I2C or UART, connector on the right)
Sensor Shield with PIR-sensor

Sensor Shield with PIR-sensor attached

A PIR or Passive Infrared Sensor is a device that measures infrared light radiating from any objects in its field of view. These sensors are often used in backyard or driveway motion detectors.   Bassicaly they measure the amount of IR radiated by objects around it and detect sudden fluctuations  i.e. caused by a person walking into a sensors’ field of view.

I love the sensor shield for prototyping purposes, it will certainly lower the number of connections to your breadboard.

All these parts were bought on ebay, search for ‘arduino sensor shield’ by clicking  here

RF receiver-transmitter pair

RF receiver-transmitter pair

A RadioFrequency receiver-transmitter pair with 4-channels, 1 connector for each channel. The one on the left is the receiver, it also came with an antenna, like the one you see on the right, but it wasn’t soldered on.

The green transmitter and receiverboards have male headers and plug into the female headers mounted on the red extender boards. I have played around with them and can say that they work. I still need to check the maximum range these things will go. These were tested to be working at 4 meters appart with a wooden door and a drywall in between.

In a next post I’ll demonstrate an arduino motion-sensor-over-rf  to a webserver running php

pir-sensor  >>  arduino >>  rf-transmitter   . . .  _ _ _ . . .    rf-receiver  >>  arduino >>  ethernetshield >>  php

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