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TCSP 5 Printed Circuit Board Layout Narrative plus Preliminary PCB Layout. Group 5: myATM Yu Chen Lim. Overview. ATM machine that uses face recognition RFID card acts as cash card Keypad and trackpad as user inputs. Major Components. Power Supply Microcontroller RFID circuit
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TCSP 5Printed Circuit Board Layout Narrative plus Preliminary PCB Layout Group 5: myATM Yu Chen Lim
Overview • ATM machine that uses face recognition • RFID card acts as cash card • Keypad and trackpad as user inputs
Major Components • Power Supply • Microcontroller • RFID circuit • Components must be placed to reduce noise (mainly from RFID circuit)
RFID Power Supply Level Translator Microcontroller RS-232
Decoupling capacitors 40 mil trace width
16 mil trace width Decoupling capacitors 40 mil traces for power and ground
Antenna ground Digital ground Decoupling capacitors Antenna
Thank You! Questions?