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product:usb2ax:specs [2014/05/15 00:29] xevel |
product:usb2ax:specs [2017/07/27 08:04] (current) xevel |
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===== USB2AX: Technical Specifications ===== | ===== USB2AX: Technical Specifications ===== | ||
- | //This page is currently referring to v3.1a, and will be updated with infos for v3.2a shortly.// | + | //This page is currently referring to v3.1a, and will be updated with infos for v3.2a at some point, maybe. Refer to the source files if you need to be sure.// |
The hardware of the USB2AX is relatively simple: only 17 components and a 15x20mm PCB. | The hardware of the USB2AX is relatively simple: only 17 components and a 15x20mm PCB. | ||
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{{product:usb2ax:usb2ax_v3.1_schematics.png}}\\ | {{product:usb2ax:usb2ax_v3.1_schematics.png}}\\ | ||
- | [[https://paranoidstudio.assembla.com/code/paranoidstudio/git/nodes/master/usb2ax/elec|All Eagle files]] | + | [[https://github.com/Xevel/usb2ax/tree/master|All Eagle files]] |
The protection circuitry for DATA, with the zener diode and PTC resistor, comes from the [[http://ruggedcircuits.com/html/ruggeduino.html|Ruggeduino]], and makes it possible to withstand applying 12V to DATA indefinitely. More detailed explanation of how it works [[http://forums.trossenrobotics.com/showthread.php?5675-USB2AX-v3.1&p=53101#post53101|here]]. This situation can easily happen in real life with a shoddy custom or damaged cable, and improper protection could result in a fried motherboard... | The protection circuitry for DATA, with the zener diode and PTC resistor, comes from the [[http://ruggedcircuits.com/html/ruggeduino.html|Ruggeduino]], and makes it possible to withstand applying 12V to DATA indefinitely. More detailed explanation of how it works [[http://forums.trossenrobotics.com/showthread.php?5675-USB2AX-v3.1&p=53101#post53101|here]]. This situation can easily happen in real life with a shoddy custom or damaged cable, and improper protection could result in a fried motherboard... |