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laforge, 11/25/2016 09:04 PM

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h1. multi-voltage dual USB UART
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This is a CP2105 based dual-port USB UART.
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As a very special feature, this device allows you to manually select the UART voltage levels to 1.8, 2.3, 2.5, 2.8, 3.0 or 3.3 Volts.
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It is thus ideal for a lab environment, where you frequently need to interconnect with various embedded electronics devices that have UARTs at unusual voltages.
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Both UART ports feature RxD/TxD/RTS/CTS signals and have TVS diodes for ESD protection.
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Miscellaneous CP2105 GPIOs are available on a separate header
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h2. Pictures
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!mv-uart-front.jpg!  !mv-uart-back.jpg!
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h2. Design Files / Schematics / Layour
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The EAGLE design files for this open hardware project are available in the @osmocom-small-hardware.git@ repository and can be checked out using
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@git clone git://git.osmocom.org/osmo-small-hardware.git@.
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PDF renderings of schematics and component placement are attached below.
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!mv-uart.png!
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h2. Availability
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A fully assembled circuit board can be obtained from http://shop.sysmocom.de/products/multi-voltage-usb-dual-uart
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