13. Networking and communications¶

General Info¶

(May 1: final presentations sign-up) -> instructor to sign-up
May 05: interface and application programming
May 12: wildcard week
May 19: applications and implications
May 26: invention, intellectual property, and income
Jun 02: project development

Wildcard week¶

embroidery
- png
Composites

Assignment¶

Individual assignment:¶

Note

design, build, and connect wired or wireless node(s)

Group assignment:¶

Note

Send a message between two projects

TODO: Individual assignment¶

I2C¶

Tips
Inter-Integrated Circuit
- IIC(pronounced I-I-C)
- I^2C(pronounced I-squared-C), I2C(pronounced I-two-C)

Nodes¶

Master
Secondary ( ~~Slave~~ )

Wire¶

SDL
- Serial Data
- Pull-Up
SCL
- Serial Clock
- Pull-Up
VCC
GND

Pull up resistor¶

10k ohm


Output device OLED	Networking I2C Board
10k	4.99k

OLED sch

Address¶

8bit (0b00001111) on device as hex(0x**)
7bit (0b0000111_) in program as hex(0x**)
last bit is R/W#bit
- 0:send from Master
- 1:receive from Master
I2C address
I2c scannser

OLED¶

OLED example

- 1.3”¶

SPI¶

Serial Peripheral Interface

Wire¶

SCK
- Serial Clock
MISO
- Master In Slave Out
MOSI
- Master Out Slave In
SS / CS
- Slave Select / Chip Select

TODO: Group assignment¶

Input device :Ishimura¶

1	`probe an input device's analog levels and digital signals`

Output device :Takezawa¶

1	`measure the power consumption of an output device`

Networking and communications :¶

1	`send a message between two projects`

Interface :¶

1	`compare as many tool options as possible`

Assessment¶

Networking and Communications

What does “two projects” mean in the group assignment¶

Answer: You need to send a message between any combination of boards, computers and/or mobile devices. You need to write code that sends or receives the message in question.

Last update: May 1, 2021