Search found 707 matches

by ccs_hello
Thu Mar 04, 2021 7:10 pm
Forum: Technical Discussion
Topic: USB operative system
Replies: 4
Views: 30

Re: USB operative system

It can for example be done using m2key https://m.es.aliexpress.com/item/32842914045.html?_randl_currency=EUR&_randl_shipto=ES&src=google&albch=apprmkt&albagn=182499396&albcp=8712446590&albag=89602908164&albad=409604634222&aff_short_key=irey5Th&isdl=y&aff_platform=true&albslr This has nothing to do ...
by ccs_hello
Thu Mar 04, 2021 7:08 pm
Forum: Technical Discussion
Topic: USB operative system
Replies: 4
Views: 30

Re: USB operative system

Good night, I want to have an operating system in a USB and load from there to lattepanda without having to erase the operating system that I have put in the internal memory but it does not load. Is the BIOS update fixed? Or how can I make it? All the best << Assuming that USB flash drive is proper...
by ccs_hello
Thu Mar 04, 2021 5:59 pm
Forum: Troubleshooting
Topic: Alpha connected to 7" eDP Touch Display
Replies: 7
Views: 43

Re: Alpha connected to 7" eDP Touch Display

Offical eDP panel sold by LattePanda is this one: https://www.lattepanda.com/products/5.html which has the native resolution of 1024x600. Yours may be from another source and have a different resolution. Monitor communicates its spec thru EDID (and in eDP, using I2C interface for that information, i...
by ccs_hello
Thu Mar 04, 2021 5:49 pm
Forum: Technical Discussion
Topic: how to use RS232 port for lattepanda alpha
Replies: 1
Views: 15

Re: how to use RS232 port for lattepanda alpha

They are RS232 leads. You can custom build a cable to connect 0.1" pitch pins (minimally Rx, Tx, and Gnd leads) to a DB-9 RS232 connector.

P.S. Please note, if LP Alpha, these pins are in RS-232 signal level. If LP Delta, they are just in 3.3V LVTTL signal level.
by ccs_hello
Thu Mar 04, 2021 5:45 pm
Forum: Technical Discussion
Topic: LattePanda ALPHA DC Power insights
Replies: 24
Views: 33478

Re: LattePanda ALPHA DC Power insights

Yes, you'll need a USB-C "PD trigger" module 12V version to get the USB-C power adapter to recognized the need to supply 12V to LattePanda Alpha/Delta. P.S. be careful on such module obtained from Ali. Some said 12V but turned out to be set in a different volatge. Test it first before connecting the...
by ccs_hello
Wed Mar 03, 2021 5:05 pm
Forum: Technical Discussion
Topic: LattePanda ALPHA DC Power insights
Replies: 24
Views: 33478

Re: LattePanda ALPHA DC Power insights

I reuse the same USB-C adapter that came with the board and make a connector to connect a new USB-C to the 4-pin. Crossing the A5 & B5 to the 2 + pin so that any direction it connect will had power from either A5 or B5. At 1 point only either A5 or B5 will had voltage. I also link all the 4x GND to...
by ccs_hello
Mon Mar 01, 2021 7:21 pm
Forum: Content Requests
Topic: dual EdgeTPU with lattepanda alpha
Replies: 4
Views: 619

Re: dual EdgeTPU with lattepanda alpha

Example:
https://www.ebay.com/itm/NGFF-M-2-NVME- ... 3465894653
Length Extended Adapter.jpg
Length Extended Adapter.jpg (25.13 KiB) Viewed 160 times
by ccs_hello
Mon Mar 01, 2021 6:02 pm
Forum: Content Requests
Topic: dual EdgeTPU with lattepanda alpha
Replies: 4
Views: 619

Re: dual EdgeTPU with lattepanda alpha

Jim, Glad it works out. You may use (if Windows) HWINFO64 or (linux) lspci -vv to see these two Coral devices live off two separate PCIe root. re: LP Delta I'd say it's YMMV for the same reason I stated in post #2. (Official documentation stated supports PCIe 2x, never said 2 times PCIe x1. Latter h...
by ccs_hello
Sat Feb 27, 2021 2:06 pm
Forum: Technical Discussion
Topic: Using Arduino with External PC and Flashing Leonardo Chip
Replies: 2
Views: 81

Re: Using Arduino with External PC and Flashing Leonardo Chip

Re: reprogramming ATmega32u4 (Arduino Leonaro) chip

You can use ICSP port on the connector MISO, MOSI, SCK, RST, etc.) to program the IC directly.

Re: decoupling Arduino's 5V power from LP Alpha/Delta's
AFAIK, it is not possible nor should it be this board's normal mode of operation.
by ccs_hello
Wed Feb 24, 2021 8:45 pm
Forum: Technical Discussion
Topic: Delta TTL Tx operating voltage
Replies: 4
Views: 103

Re: Delta TTL Tx operating voltage

Ok, old document (v1.0) mis-print. Indeed, for LP Delta, the x86 serial port leads are in 3.3V LVTTL mode. When I power LP Delta ON, RxD_input is measured 3.3V (serial IO's LOW) and TxD_output is 3.3V (serial IO's LOW) as well. Another thought: please check BIOS setting BIOS --> Chipset --> South Cl...