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wiki:tcb:tcbinstall:io_ports_ab [2017/07/24 02:31] opadmin [Using an I/O Port as Output] |
wiki:tcb:tcbinstall:io_ports_ab [2018/02/16 01:53] opadmin [Relay Modules] |
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==== Relay Modules ==== | ==== Relay Modules ==== | ||
- | Five volt relay modules with a logic-level trigger abound on eBay and are very inexpensive. Most do not use the same pinout as the TCB. Two that do are the [[http:// | + | Five volt relay modules with a logic-level trigger abound on eBay and are very inexpensive. Most do not use the same pinout as the TCB. Two that do are the **Keyestudio |
With a relay module you can switch on or off a high-current device or a device that uses a different voltage source from the TCB entirely. | With a relay module you can switch on or off a high-current device or a device that uses a different voltage source from the TCB entirely. | ||
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