Периферийные устройства/en: различия между версиями

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* Adapters [[USB-RS-232]]. Up to two cables without using an external USB hub. Possible programmatic [[LAN951x port power control/en|power supply reboot ]]
* Adapters [[USB-RS-232]]. Up to two cables without using an external USB hub. Possible programmatic [[LAN951x port power control/en|power supply reboot ]]


=== = RS-485====
==== RS-485====
* https://www.olimex.com/Products/Modules/Interface/MOD-RS485-ISO/ galvanically isolated, full/half duplex, I2C interface, can be used in conjunction with [[Debug UART]] and [[RS-485]]. It is possible to connect more than two devices.
* https://www.olimex.com/Products/Modules/Interface/MOD-RS485-ISO/ galvanically isolated, full/half duplex, I2C interface, can be used in conjunction with [[Debug UART]] and [[RS-485]]. It is possible to connect more than two devices.
* https://www.olimex.com/Products/Modules/Interface/MOD-RS485 - half duplex, uses UART. Up to two modules.
* https://www.olimex.com/Products/Modules/Interface/MOD-RS485 - half duplex, uses UART. Up to two modules.


===Считыватели бесконтактных карт и клавиатуры===
=== Contactless card readers and keyboards===
====Wiegand====
==== Wiegand====
* Подключать линии D0 и D1 считывателей к GPIO необходимо через резисторы 1-20 кОм! (на Wiren Board 2.8)
* Connect the lines D0 and D1 of the readers to the GPIO through a resistor 1-20 kom! (on Wiren Board 2.8)
* См. https://github.com/contactless/wirenboard/tree/master/examples/wiegand
* See https://github.com/contactless/wirenboard/tree/master/examples/wiegand
* См. https://github.com/contactless/wiegand-linux
* See https://github.com/contactless/wiegand-linux


===Приборы учёта===
===Meters ===
[[Приборы учёта с импульсным выходом]]
[[Приборы учёта с импульсным выходом/en| Metering devices with pulse output]]


===Modbus-устройства===
===Modbus devices===
[[Устройства с интерфейсом Modbus]]
[[Устройства с интерфейсом Modbus/en |Devices with Modbus interface]]


=== Кнопки и сухие контакты ===
=== Buttons and dry contacts ===
См. http://contactless.ru/forums/topic/%D0%BF%D0%BE%D0%B4%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D0%B5-%D0%BA%D0%BD%D0%BE%D0%BF%D0%BE%D0%BA-%D0%BA-gpio/#post-2384
See [[Приборы учёта с импульсным выходом/en| Metering devices with pulse output]]
См. [[Приборы учёта с импульсным выходом]]
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