Post on 03-Jan-2016
description
Week 2 Electrical Subsytem Testing
MSD II
Transceiver Communication
•Used two Linx EVM-915-250 transceivers with evaluation boards with breadboard to attempt communication between the two devices
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Transceiver Communication
•Fed 4V input supply to Vcc•Created arbitrary analog pulse (square
wave) on function generator as input to transmitting transceiver
•Checked receiving end to observe signal
Evaluation Board Pinout
Initial Results•Function generated signal seen to be fed
through receiving input of one transceiver•Output of same transceiver showed periodic
but non-square wave signal• Input of second transceiver showing same
periodic signal•Thoughts: Square wave signal was not
being sent properly; need to try to use Raspberry Pi to create digital signal to send
•May require more complicated circuitry
Next Step• Use Raspberry Pi tutorials to allow for
complete interface with transceiver/understanding of implementation
• Research Raspberry Pi with LCD screen as possible solution to user device
• Reasoning: Using Raspberry Pi with testing implies knowledge and experience already gained – makes sense to continue using in final product
• Also fairly cheap and looks appealing at first glance
Adafruit 1115 Blue + White 16 x 2 LCD + Keypad Kid ($20.00)