https://github.com/hackuarium/i2c-slave
https://github.com/hackuarium/i2c-slave
Last synced: 3 months ago
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- Host: GitHub
- URL: https://github.com/hackuarium/i2c-slave
- Owner: Hackuarium
- Created: 2020-06-12T12:04:49.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2020-06-12T15:29:02.000Z (about 6 years ago)
- Last Synced: 2025-03-06T14:53:26.348Z (over 1 year ago)
- Homepage:
- Size: 858 KB
- Stars: 0
- Watchers: 4
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Simple I2C slave
Slave I2C that can work independently
* LCD screen (2 lines) (7 pins)
* Rotary push button (3 pins)
* RJ-12 connector to connect to a master
* ATMEGA 328
* we don't need a crystal
##
[Arduino uno](https://content.arduino.cc/assets/Pinout-UNOrev3_latest.pdf)
| Arduino | Port | Function | Assigned |
|---------|------|-----------|----------------|
| 0 | | RX | Programming |
| 1 | | TX | Programming |
| 2 | | INT0 | rotary 1 |
| 3 | | INT1 OC2B | |
| 4 | | | rotary 2 |
| 5 | | | rotary push |
| 6 | | OC0A | LCD 1 |
| 7 | | | LCD 2 |
| 8 | | | LCD 3 |
| 9 | | OC1A | |
| 10 | | SS | |
| 11 | | MOSI | ICSP |
| 12 | | MISO | ICSP |
| 13 | | SCK | ICSP |
| A0 | | | LCD 4 - Power |
| A1 | | | LCD 5 |
| A2 | | | LCD 6 |
| A3 | | | LCD 7 |
| A4 | | | |
| A5 | | | |
| D18 | | SDA | RJ-12 SDA |
| D19 | | SCL | RJ-12 SCL |
## LCD
## Rotary push button
## RJ-12
6P/6P
* 12v / 24v
* SDA - 3.3v
* SCL - 3.3v
* GND
## Power supply
## Programming
Add the boot loader
[tag-connect](https://www.tag-connect.com/)
Program through USB using FTDI
## Micro-controller
