2 layers126.6 × 21.4 mm
ADBv2
mattchesters/zmk-apple-desktop-bus-keyboard
ZMK shield for Apple Desktop Bus Keyboard
17 parts168MIT
2 layers
I2cController
raspibo/I2cControllerEvolution of I2C_rotary_encoder, a board with lcd, rotary encoder, push buttons for general purpose input/output over I2C bus
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 27
- Nets
- 34
- Pads
- 119
- Tracks, vias
- 125, 0
- Routed
- Yes
- KiCad
- KiCad 5 (file 20170123)
- Created
- 13 Apr 2017
- Updated
- 23 Apr 2017
Overview
I2cController is an open-source printed circuit board by raspibo, from the raspibo/I2cController repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board with 27 parts on 34 nets, routed with 125 tracks and 0 vias.
It is built around the MCP23017-E/SS. Its parts include 10 resistors, 6 connectors, 6 switches, 1 IC and 1 diode. It belongs with the lEDs and displays boards of this library.
Main components
1README
README.mdI2cController
Evolution of I2C_rotary_encoder, a board with lcd, rotary encoder, push buttons for general purpose input/output over I2C bus
Whit this board you can interact with a standard hardware equipment of rotary encoder, lcd display, push buttons over I2C, you can also mount a partial set of peripherals.
The code handle interrupt of pin change generated from MC23017 chip when event fire on buttons or rotary encoder.
Use
Put portable dir under your arduino folder to use project specific libraries
Typical Schematic
<img src=https://rawgit.com/raspibo/I2cController/master/kicad/plot/I2cController.svg>
Parts
27| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | R | Resistors_SMD:R_0805_HandSoldering | R1, R2, R3, R4, R5, R7, R8, R9, R10 |
| 5 | CONN_02X01 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J1, J2, J3, J5, J6 |
| 5 | SW_Push | Buttons_Switches_THT:SW_PUSH_6mm_h7.3mm | SW2, SW3, SW4, SW5, SW6 |
| 1 | CONN_01X06 | Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm | J4 |
| 1 | LCD16X2 | Displays:WC1602A | DS1 |
| 1 | LED | LEDs:LED_D5.0mm | D1 |
| 1 | MCP23017 | Housings_DIP:DIP-28_W7.62mm_LongPads | U1 |
| 1 | POT | Potentiometers:Potentiometer_Trimmer_ACP_CA6h_Vertical | RV1 |
| 1 | Q_NPN_BCE | TO_SOT_Packages_THT:TO-92_Rugged_Reverse | Q1 |
| 1 | R | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R6 |
| 1 | Rotary_Encoder_Switch | rotary_encoder:SF-ROTARY-ENCODER | SW1 |
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Questions
What parts does the I2cController use?
27 parts, built around the MCP23017-E/SS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the I2cController KiCad files?
From the raspibo/I2cController repository on GitHub, at the commit this page was made from: the board is kicad/I2cController.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the I2cController design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).