Difference between revisions of "DB2.1 1.0"
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| − | | | + | |PWM R on LED1 |
|PA08/D4* | |PA08/D4* | ||
| style="background-color: mediumseagreen;"|Option1 | | style="background-color: mediumseagreen;"|Option1 | ||
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| − | | | + | |PWM G on LED1 |
|PA15/D5* | |PA15/D5* | ||
| style="background-color: mediumseagreen;"|Option2 | | style="background-color: mediumseagreen;"|Option2 | ||
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| − | | | + | |PWM B on LED1 |
|PA14/D2* | |PA14/D2* | ||
| style="background-color: mediumseagreen;"|Option3 | | style="background-color: mediumseagreen;"|Option3 | ||
Revision as of 20:00, 13 March 2018
| DB2.1 v1.0 - 2 Button Doorbell | |
|---|---|
| no image yet | |
| Developer | Alexander Christian |
| Status | In Development |
| Microcontroller/Board | M0dularis+ |
| KNX connectivity | MicroBCU |
Description
PCB replacement for 2n Entrycom IP Uni doorbell. It will have 2 buttons with RGB background LED light and a speaker for PCM WAVE playback.
Hardware
M0dularis+ is used as base-controller.
| Description | Pin | Pin | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| GND / KNX GND | 1 | 2 | GND from 24V Input | ||||||||
| SJ: 5V | VCC | 3 | 4 | 24V from 24V Input | |||||||
| PA22/SDA | SDA / IO0 | 5 | 6 | IO3 | SJ: PA02/A0 | PCM Audio Output via DAC on A0 | |||||
| PA23/SCL | SCL / IO1 | 7 | 8 | ExtINT Application / IO2 | SJ: PA18/D10* or PB09/A2 | ||||||
| PA09/D3* | Option0 | 9 | 10 | Option7 | PA17/D13* | ||||||
| PWM R on LED1 | PA08/D4* | Option1 | 11 | 12 | Option6 | PA16/D11* | |||||
| PWM G on LED1 | PA15/D5* | Option2 | 13 | 14 | Option5 | PA20/D6* | |||||
| PWM B on LED1 | PA14/D2* | Option3 | 15 | 16 | Option4 | PA21/D7* |
Solder-Jumper configuration:
- IO3: SJ for A0
- IO2: D10 or A2
- Application connector: 5V
- Frontend connector: 5V
- I2C (on IO0/IO1): PullUp
Software
The software enabled the user to fully have control over the buttons. One idea ist to have multiple states for the buttons. For instance
- Default (white background light): Rings the bell
- Postman (yellow background light): Ringing the bell will playback a wave file, telling where he can put the package that you are waiting for. Additional things can be triggered by calling a KNX GroupAddress, f.i. open the garage door half a meter so safely store the package.
- ...
Open Questions
- how to get files onto the SPI flash?!