Week 5 ~ Receive the Hardware and Try the Hardware
For the week 5 11/10 ( Friday). Receive 6 hardware list in week 4, such as Smart G LCD, RFID reader, RFID card, motion sensor, RTC2 and Microcontroller. After that, understand the function of each hardware and circuit diagram.
1. The SmartGLCD 240x128 is a compact smart display, with many on-board peripherals. It’s designed to become a control interface of your device. Main part of the board is a large 240x128 pixel graphical LCD with a 4-wire restive touch screen. Refer the circuit diagram below.
2. Microcontroller. The heart of the board is PIC18F87K22, an 8-bit microcontroller delivering 12MIPS of processing power. Other modules like USB UART, piezo buzzer, microSD slot and connection pads can be found on board as well. The board is preprogrammed with UART bootloader. Refer the circuit diagram for each function on below.
Circuit of USB UART
Circuit of piezo buzzer
Circuit of Micro SD card
3. Motion Sensor
4. RTC2 ( Read Time Clock)
5. RFID reader.
The RFID is a small electronic devices that consist of a small chip and an antenna. The chip typically is
capable of carrying 2,000 bytes of data or less. The RFID device serves the same purpose as a bar code
or a magnetic strip on the back of a credit card or ATM card; it provides a unique identifier for that
object. And, just as a bar code or magnetic strip must be scanned to get the information, the RFID
device must be scanned to retrieve the identifying information.
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