MK802II A20: Unterschied zwischen den Versionen
Amir (Diskussion | Beiträge) Die Seite wurde neu angelegt: „This page is a rough guide on how to get linux running on the MK802II_A20 android hdmi stick. ==== Name ==== I'm actually not sure how to call this device si…“ |
Amir (Diskussion | Beiträge) Keine Bearbeitungszusammenfassung |
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Another good candidate for a name would be "QT800" since that is printed on the pcb (an there is a very similar hdmi dongle out there call "reko qt800") | Another good candidate for a name would be "QT800" since that is printed on the pcb (an there is a very similar hdmi dongle out there call "reko qt800") | ||
==== Serial ==== | ==== Serial Communication ==== | ||
The fist thing i needed is getting serial communication with the device working. | The fist thing i needed is getting serial communication with the device working. | ||
I didn't know where and if the rs232 pins are exposed on the pcb. Also some of the promising looking test pads were pretty tiny. | I didn't know where and if the rs232 pins are exposed on the pcb. Also some of the promising looking test pads were pretty tiny. | ||
So i soldered cables to those test pads and hooked them up to an oscilloscope. | So i soldered cables to those test pads and hooked them up to an oscilloscope. | ||
[[Image:Cables_mk802ii_a20.jpeg]] | |||
And those are the RX and TX pins i found. For ground i soldered to the base of the hdmi plug. | |||
[[Image:Serial_mk802ii_a20.jpg]] | |||