* I assume it will make sense to have your own USB cable for programming the thing. Is it a standard or mini USB connector?
* power sources? (FTDI cable, old phone chargers, ...) What voltage/current range? Or can it simply power from USB?
m.
(I've never actually programmed microcontrollers.)
m.
Martin,We did want to use an alternative method of programming called Virtual USB. This creates a USB port in firmware running on the microcontroller. Metalabs in Vienna were the first to do this and produce their own board called Mataboard. I had hoped to copy this economical method withNanode - but have not got around to trying the firmware (too much else on). It saves the cost of putting the surface mount chip on the board (about £4) and the grief of more SMT.In the meantime we are going to make do with FTDI leads, and I can supply enough for the needs of the workshop. Unfortunately at £16 a pop - they are not "freebies".One of my next designs is a low cost FTDI adaptor board - for about £5. Saving the expense of the custom cable.The FTDI lead is such a useful tool for any microcontroller work - almost justifies having your own. All my designs in the last 5 years are fitted with a FTDI header as standard.Hopefully someone with a little more time than me will get the virtual USB up and running - so we can all share in the benefits.Ken
I failed to plan ahead and am now wondering whether I should order one, though I'd probably prefer to have one on the day/when I get home that night.
Alternatively, are there any retail shops in East/central London selling them?
m.
m.
-adrian
There are some issues using a Bus Pirate to do this with some devices.
Timing/lag/general lameness of the bus pirate can cause it not to work
well. A dedicated device would be better imo.
You can get the chinese ripoff FTDI leads for a bit cheaper, closer to
£5 anyway.
Paul
Paul,
Who supplies the Chinese FTDI leads?
Cool Components one is a definite Chinese copy - but still £16 by the time you pay the VAT.