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by tyjtyj
Tue Jun 23, 2020 9:51 am
Forum: General discussion
Topic: STICKY: USB-MSD boot EEPROM fourth update - 2020-06-15
Replies: 193
Views: 57954

Re: STICKY: USB-MSD boot EEPROM third update - 2020-06-15

After updating the firmware, now my pi4 boot from USB SSD but i am getting this error from dmesg every 5 sec. Any idea cause this or how to fix this ? My PI4 SSD has come from PI3B usb boot. update to the latest [Tue Jun 23 17:46:45 2020] mmc0: Timeout waiting for hardware cmd interrupt. [Tue Jun 23...
by tyjtyj
Tue Mar 24, 2020 7:05 pm
Forum: Troubleshooting
Topic: VLI firmware v2.0 - powersaving features enabled
Replies: 117
Views: 47251

Re: VLI firmware v2.0 - powersaving features enabled

Weird. Injecting current into the D+/D- lines has been known to stop the PMIC from starting up as it causes leakage into the 3.3V supply. The only way that the firmware could be changing this behaviour is if Vbus isn't removed during device reset - worth investigating. Do we have solution to this? ...
by tyjtyj
Tue May 27, 2014 7:27 pm
Forum: Automation, sensing and robotics
Topic: Pihat 433 receiver
Replies: 2
Views: 1327

Re: Pihat 433 receiver

I think i managed to decode the transmitter but the pihat does not seem to able to send this code

1100 1001 1101 1100 0011 [0000] 0

The section in bracket always has one regardless the parameters i put in
by tyjtyj
Mon May 26, 2014 2:26 pm
Forum: Automation, sensing and robotics
Topic: Pihat 433 receiver
Replies: 2
Views: 1327

Pihat 433 receiver

Hi I been reading many many thread regarding the 433 using pihat script but i could not get it to work with my receiver. I have a china 433 transmitter and receiver but i do not know how to decode the ID. I opened home transmitter and it shows at 2622 chip. And I can read the tri state switch. Here ...

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