myFYP : Development of Intercom Integrated with Camera and Monitor (Hardware)

Sunday, 30 September 2012

Fyp2 - Week 8



RF Transmitter (315MHz)



- Capable transmit signal up to 100 meters range   around the open area
- Wide input supply (2.5-12V)
- Small dimension
- ASK Modulation

This low cost RF transmitter can be used to transmit signal up to 100 meters (the antenna design, working environment and supply voltage will seriously impact
the effective distance). It is good for short distance, battery power device development.

It has benefits of:

• Wide input supply (2.5V-12V)
• Easy to integrate (Data, Vcc and GND)
• Device in deep sleep mode when Data pin is grounded
• Very small dimension



RF Receiver (315MHz)



- Super regeneration design ensures sensitive to weak signal
- Low power consumption (4mA)
- Small dimension

This low cost RF Receiver can be used to receive RF signal from any 315MHz transmitter. Super regeneration design ensure sensitive to weak signal.
It has benefits of:

• Low power consumption (4mA)
• Easy to integrate (Vcc, GND and Data)
• Super regeneration design
• Very small dimension


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