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Embedded linux modules
I'm currently building a prototype WiFI module to add both WiFi and an application platform to a client's existing product range. This lets us add things like MQTT, a web browser...
Tuesday, 14 February 2017 - 10:13
*Virginia* electronic drum machine repair anyone? (edited)
Someone from Florida Virginia contacted me after seeing my blog post about a repair to a Roland TD-6V electronic drum "brain". Since I'm based in the UK, I can't help them as...
Thursday, 25 August 2016 - 11:33
Keysight Bench Power Supply
    So I got the latest communiqué through the post from Agilent^H^H^H^H^H^H^H Keysight yesterday. It was about their "Basic Instruments" and in it there is a very nice...
Friday, 18 March 2016 - 13:43
Anecdotal evidence of bug in AS 7
So, I've been using AS 7 on Windows 10 on my 5-Year old DELL laptop for ages, with no real issues at all. (Apart from the hiccough with the Dragon in the first couple of weeks)....
Wednesday, 9 March 2016 - 15:36
C Sytax anomaly
I was just wandering about on twitter when I saw this tweet by MikesElectricStuff  He basically noticed that an array size declared as [8x16] evaluated to a size of 0x16....
Wednesday, 2 March 2016 - 20:37
Todays Timer question (Piezo sounder)
I'm trying to play some simple beeps on a piezo sounder. My code is show below.   Once I call sounder_init() with any value I get a series of beeps about one second long,...
Tuesday, 23 February 2016 - 18:25
Hand soldering tiny QFN packages. How do you do it?
Some boards I'm building have tiny 16-pad 3mm x 3mm QFNs which I am hand soldering. I've found a method that works for me: Use tacky flux and build up some solder on the PCB pads...
Wednesday, 17 February 2016 - 22:08
Compilers should be free. There, I said it!
(Don't worry - I have my flame proof undergarments on today.) I know compilers for AVR are free, this is more aimed at our new overlords at Microchip.   Compilers should be...
Wednesday, 17 February 2016 - 10:09
For sale: RIGOL DS1102E Oscilloscope
  Due to my up-coming house move I'm having a bit of a clear out. The first item I'm punting is my Trusty Rigol DS1102E - it's a bona fide 100Mhz version, not an overclocked...
Tuesday, 9 February 2016 - 19:05
Assumption about avr/boot.h
So, I've been looking at the various bootloaders about and see a lot using avr/boot.h (which is good!) And as far as I can figure out they all follow a similar set of sequences...
Friday, 29 January 2016 - 12:29
Relocating sections and setting the size?
Me again. Sorry.   So, in my AS 7.0 "Solution" I have two projects, the main application and the bootloader.  The bootloader is set as a dependency of the Main App so...
Wednesday, 27 January 2016 - 16:37
Forcing a reset from code?
My latest project includes a bootloader, nothing special. Fuses are set for BOOTRST and BOOTSZ 2048W_3800 so that's nice.   I can reliably jump from the bootloader to the...
Wednesday, 27 January 2016 - 13:05

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