Wireless Projects

Wireless sensors and a Raspberry Pi open up a world of possibilities. The Internet Of Things (IOT) is phenomenon sweeping the world at this moment where everyday things (cars, homes, household appliances, plants) are being connected to the IOT where we can monitor, control and alert in ways not possible before.

RF communications can be a complex subject, but we have eliminated all the complexity by using pre-programmed devices that have the RF communication libraries already loaded. The components are plug and play ready to use (depending on the project soldering is required in some cases). You do not need programming knowledge or know anything about radio communications or serial communications in order to do these projects. Although these projects do provide software to connect your wireless sensors to the PrivateEyePi system, you can easily integrate them into your own wireless projects.

Note:
All of the wireless devices below are compatible with CISECO and WirelessThings devices and we continue to use the communication protocol (LLAP) created by them.

See the full Wireless Sensor Manual or follow the following tutorials.

1. Raspberry Pi RF Base Station Receiver
  • RF Sender/Receiver
  • Simple communications sends and receives plain text
  • Communicates to the Raspberry Pi through serial port communications
  • Data sent to the serial port from the Raspberry Pi is transmitted over the air
  • Data received over the air is sent to the serial port
  • No soldering required
  • More details here

Connect Base Station to Raspberry Pi
2. Multi Function RF Sensor
  • Multi function RF Sensor that can be used as a wireless switch or temperature sensor or both at the same time
  • Common uses for the wireless switch:
    • Reed switch for door, window and smoke detection
    • Wireless motion sernsor
    • Wireless water sensor
  • Built in temperature sensor (no soldering required)
  • Heavy duty case
  • Long lasting battery power (CR2032 3V)
Examples of common wireless sensors:

Wireless Temperature
https://www.jemrf.com/products/wireless-temperature-sensor
Wireless Door/Window Switch
https://www.jemrf.com/products/wireless-switch
Wireless Water Sensor
https://www.jemrf.com/products/wireless-water-sensor
Flex Wireless RF Module
https://www.jemrf.com/products/flex-rf-module

Follow the following steps:
          1. Connect Base station receiver to Raspberry Pi
          2. Configure the serial port on the Raspberry Pi
          3. Test the Wireless Sensor
          4. Construct a wireless sensor:
            1. Wireless Temperature Sensor
            2. Wireless Switch
            3. Wireless Motion Sensor
            4. FLEX Wireless RF Module
          5. Download and run the wireless software
          6. Or, create your own data logger and web page on a Raspberry Pi

The Reference Document for JemRF RF Devices is at: Wireless Sensor Manual