https://github.com/honechko/ds2450

1-wire port expander
https://github.com/honechko/ds2450

1-wire 1-wire-slave adc alarm-system alarm-systems arduino ds2450 gpio gpio-extender home-automation linux onewire onewire-slaves owfs raspberry raspberry-pi raspberrypi rpi spi spi-master

Last synced: 2 months ago
JSON representation

1-wire port expander

• Host: GitHub
• URL: https://github.com/honechko/ds2450
• Owner: honechko
• Created: 2021-10-16T18:44:29.000Z (about 3 years ago)
• Default Branch: main
• Last Pushed: 2024-09-18T05:52:33.000Z (4 months ago)
• Last Synced: 2024-09-18T07:59:30.283Z (4 months ago)
• Topics: 1-wire, 1-wire-slave, adc, alarm-system, alarm-systems, arduino, ds2450, gpio, gpio-extender, home-automation, linux, onewire, onewire-slaves, owfs, raspberry, raspberry-pi, raspberrypi, rpi, spi, spi-master
• Language: C++
• Homepage:
• Size: 1.42 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
# 1-wire port expander

![1-wire port expander](https://github.com/honechko/DS2450/raw/main/io_adc.jpg)

This device is based on ATtiny13A with closed-source firmware with author's

features. It is not DS2450 or its replacement, but it is developed to be

possible to use it with a lot of software written for DS2450

(such as [OWFS](https://github.com/owfs/owfs) or Linux kernel modules).

## Main usage

* digital/analog sensors read

* mosfet/relay control

* alarm systems

* communication

## Key features

* 5 true GPIO ports

* device can continuously watch for certain logic state on all ports and set alarm flags

* 1 port with PWM function

* 4 ports with ADC function (up to 12 effective bits)

* device can compare each ADC result with 2 thresholds and set alarm flags

* 1-wire slave to SPI-master bridge

## Example of web-interface

![Web-interface](https://github.com/honechko/DS2450/raw/main/Docs/control.png)