Andy A

Activity

Question "Error: Undefined symbol arm_rfft_fast_f32 " marked as solved by answer: Did you import this library into your project? https://developer.mbed.org/users/mbed_official/code/mbed-dsp/ In my projects that have used …
Andy A - 28 Jul 2017
Question An issue on high data rate writing on micro SD using SDFileSystem marked as solved by answer: Can you share some of your code? How is it structured? from what you are …
Andy A - 25 Jul 2017
Question What is the lowest cost board that can play wave-file? marked as solved by answer: At what sample rate? For simple audio playback something like this https://www.coolcomponents.co.uk/en/audio-fx-mini-sound-board.html is normally easier …
Andy A - 24 Jul 2017
Answer posted for Question: Moving the MBED library to other platform - You mean something like an off line command line interface for mbed like this? https://developer.mbed.org/blog/entry/windows-installer-for-mbed-cli/
Andy A - 18 Jul 2017
Question Why does selecting ANY category on developer.mbed.org/teams/ lead you to pages of... marked as solved by answer: Because someone has spammed the teams pages with junk and the pages haven't been cleaned …
Andy A - 14 Jul 2017
Question Can someone please explain this section of code marked as solved by answer: Here's a more annotated version of the code. This was originally posted as a basic …
Andy A - 12 Jul 2017
Answer posted for Question: xdot sending Char string - Some code that you want to modify and what problems you've hit when you try …
Andy A - 12 Jul 2017
Answer posted for Question: RFID READER - For that sort of range you probably need a 900 MHz RFID reader, most lower …
Andy A - 10 Jul 2017
Question you know ws2818 led strip? it is more better than ws2811 or ucs1903 led strip,i found. marked as solved by answer: No other difference. The 2818 has a bypass pin that allows the rest of the …
Andy A - 05 Jul 2017
Answer posted for Question: LPC1768 : Voltage on AnalogIn pin with no input - What is the source of the signal you want to measure? The analogIn pin won't …
Andy A - 05 Jul 2017
Question reading an ini file to load variables at startup & writing a circular logfile marked as solved by answer: I'm assuming that this is using the localFileSystem on an LPC1768. 1) reading the .ini …
Andy A - 23 Jun 2017
Answer posted for Question: can we choose from c++ to c ? - If a file ends in .c the compiler will assume it's c, if it ends …
Andy A - 14 Jun 2017
Answer posted for Question: TLC5940 Python Library for RPi? - You have something working on an arduino (presumably written in Arduino almost c). You want …
Andy A - 13 Jun 2017
Answer posted for Question: SOLVED - Sending string via UART - fscanf() loops at the first read and succeeds after next data - End the string you send with a new line (\n) rather than a space and …
Andy A - 13 Jun 2017
Question USB keyboard CR carriage return marked as solved by answer: The enter key is code 0x0a
Andy A - 09 Jun 2017
Answer posted for Question: Outputing 16 Digitals to LV5616 - This is an mbed forum, it's for ARM CPUs using the mbed library. That's not …
Andy A - 25 May 2017
Answer posted for Question: How can I receive a value from serial then do mathematical operations on it ? - What it the format of the number? Binary or text? If binary use getc() to …
Andy A - 25 May 2017
Question sk6812 led strip is better than ws2812b,why?what is their difference? marked as solved by answer: Well 30 seconds on google found this https://cpldcpu.com/2016/03/09/the-sk6812-another-intelligent-rgb-led/ and this https://cdn-shop.adafruit.com/product-files/1138/SK6812+LED+datasheet+.pdf There are some small …
Andy A - 23 May 2017
Question I here that have 12v ws2815 addressable led strip,some one have used that? it is stable? marked as solved by answer: It looks to be a higher voltage version of the 2813 which has been around …
Andy A - 19 May 2017
Question how many files can I make and store in local file? marked as solved by answer: The max files will be determined by the file system used, I believe localfilesystem is …
Andy A - 11 May 2017