Abdul Alfozan
How to Make (Almost) Anything
(MAS.863)
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Projects
Final Project
Project 1: Press fit kit
Project 2: PCB fabrication
Project 3: 3D scanning and printing
Project 4: Electronics Production
Project 5: Molding and Casting
Project 6: Embedded devices
Project 7: computer-controlled machining
Project 8: Input devices
Project 9: Composites
Project 10: Outputs devices
Project 11: Interface and Application Programming
Electronics Production
Designing and testing a TX and RX circuits at 46 kHz
For my project, I wanted to add the ability to wirelessly transmit and receive data between two boards running ATMega328.
Transmitter circuit
Coils
This is the RLC circuit with resonance frequency ~ 46 kHz
Finding the resonance frequency
Testing different op amps
om amp graph for gain over frequency
The receiver circuit
Breadboard testing
(1) Testing the receiver: no signal is being transmitted and thus nothing shows up on the oscilloscope
(2) Testing the receiver: a signal is being transmitted from the function generatator at 46 kHz
Close up look at the oscilloscope for the receiver
This is the Arduino pro board with ATMega328. I'll modify it and make a space for the RLC circuit and op amp.