Post Created date
Wanting grbl without host PC
I use the grblweb server on a raspberry pi 3. It does not use serial flow control to the arduino, instead maintaining something like 5 commands...
Monday, 19 September 2016 - 12:03
Creating a Graphical User Interface
Here is a Windows Powershell example that shows the mouse coordinates
Tuesday, 13 September 2016 - 11:29
Is the NRF24L01 xmitting?
You can do incredibly cheap RF spectrum monitoring using SDR dongles, but the TV tuners typically stop around 1.7 GHz. Downconverters are being worked on:
Tuesday, 26 July 2016 - 21:00
HTTP Web server on chip.
The client requests image file(s) in the same way as for html, with SYN sequences.  It can send more SYNs while the web page is being transferred up to the maximum number set...
Sunday, 17 July 2016 - 11:35
Wireless Code Updating
Lots of work to implement a secure hash, and secure hashes will be the target of the best hackers. I'd go for a few easy counts...1s and 0s, pairs of 1s and 0s, avg distance...
Thursday, 14 July 2016 - 23:36
Lost puppy :(
chipz wrote: The link to "Atomic code blocks"  What???  After numerous google searches, I expect I've gotten the attention of the NSA.  I still don't know what they...
Wednesday, 13 July 2016 - 22:15
Wireless video transmission!!
I try to use up the old parts bin. Oldest first, as long as the datasheets are still online ;)
Tuesday, 12 July 2016 - 23:28
optimization ideas?
Well it is three volatile loads and one or two stores, which may require storing more registers on the stack. Below would take more flash and ram but might give a speed...
Saturday, 2 July 2016 - 23:36
Custom GUI for "grbl"
Just came across this list of GUIs:
Tuesday, 21 June 2016 - 19:18
Custom GUI for "grbl"
Any shell or scripting language would work. Personally I'd use PERL for platform independence, otherwise Windows PowerShell ISE which has both interactive and scripted windows and...
Monday, 20 June 2016 - 17:39
Barely Encrypted? [Solved - good enough]
How much data will be sent compared to how much storage is available and how often you have physical access to the end nodes? You could store a one-time pad on each unit and xor...
Friday, 3 June 2016 - 23:42
Atmel Studio ELF format specification
You could look at this java elfloader to get an idea of whats involved (nifty site generates browser links to other files):
Thursday, 2 June 2016 - 11:55