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by jeremybirch
Mon Mar 25, 2019 2:45 pm
Forum: HATs and other add-ons
Topic: HAT blocks or weakens WIFI
Replies: 12
Views: 805

HAT blocks or weakens WIFI

I am in the process of developing a HAT design, and my first prototype works OK on a Pi 3B+ but with one major drawback - it seems to block much of the WIFI signal from the board so that it is only visible to other devices from a narrow range of directions. I suspect this is because my board has qui...
by jeremybirch
Mon Oct 29, 2012 6:41 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: What is the max clock/baud rates for SPI/I2C/Uart
Replies: 12
Views: 27740

Re: What is the max clock/baud rates for SPI/I2C/Uart

I have succeeded in getting the main UART to run correctly but unfortunately its maximum baud rate is 186kbaud as it is being driven by 3MHz UARTCLK. The Datasheet implies that the "clock manager" should be used to change this frequency (I need a 4MHz UARTCLK to get 250kbaud) however the only furthe...
by jeremybirch
Tue Jun 05, 2012 2:45 pm
Forum: General discussion
Topic: Raspberry Pi Review
Replies: 18
Views: 4328

Re: Raspberry Pi Review

Well, my son had the Engadget stream running under XBMC within about 2 hours of receiving the board, and we watched several hours of HD streamed television through both tvcatchup.com and BBC iplayer without any difficulty. There are a few gripes about the initial debian OS, but overall a sterling ef...

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