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Forum Index : Microcontroller and PC projects : An other model of RP2040
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6527 |
If it was a *powered* USB hub then it would probably power the Pico just fine. Obviously a non-powered hub can't do that. The main thing is to be very careful with your supplies. The best way is to make sure that there can only ever be one supply in place. Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 1959 |
it was powered 5v usb hub but they don't send 5v to the connector cable as it would damage a pc. no 5v on the type c connector when powered hub Edited 2024-04-11 06:27 by stanleyella |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6527 |
Good point. :) Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 1959 |
soldered headers on another new pico, flashed picomite rc3 and substituted existing normal pico for new on lcd display board, set options and worked so pins except mentioned all ok new pico seems cool. stan |
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stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 1959 |
I flashed the blobbed diodes board rc3 vga usb and substituted for normal pico but vbus on old is vin on new but works fine rewired to next pin. nice board. I thought 378000 cpu was dropped for pico vga but repowered and seems happy > option list PicoMiteVGA MMBasic USB Edition 5.09.00RC3 OPTION SERIAL CONSOLE COM2,GP8,GP9 OPTION FLASH SIZE 4194304 OPTION COLOURCODE ON OPTION KEYBOARD US OPTION CPUSPEED (KHz) 378000 OPTION DISPLAY 20, 40 OPTION SDCARD GP13, GP10, GP11, GP12 OPTION AUDIO GP0,GP1', ON PWM CHANNEL 0 > memory Program: 0K ( 0%) Program (0 lines) 96K (100%) Free Saved Variables: 16K (100%) Free RAM: 0K ( 0%) 0 Variables 0K ( 0%) General 124K (100%) Free |
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