USB Fun!
by Matt on Jul.23, 2009, under FOSS, Fun, learning, linux, ubuntu
I’ve been playing with a velleman k8055 USB experimentation boad and think I’ve finally come up with a use for this first board. I’m going to attempt to automate a few things in my room using a Linksys NSLU2.
The first thing to attempt is a nice simple one and does not involve touching any household electrics. A simple motor arrangement on the curtain rail to open the curtains in the morning and force me to get the hell out of bed!
The second thing I intend to do with it is a little more complex and will require some more research. I intend to somehow replace the dimmer switch in my room using the analgue output from the board. If anyone has any good references on what I need to read up to do this, let me know!
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September 3rd, 2009 on 2:17 pm
most light dimmers work by changing the waves of the AC power source to dim the light, however if you did a bit of rewiring as swapped the light for lets say a 12v DC car headlamp or somehting you could use a MOSFET transistor on the PWM output of the board
please tell me how you get on because i am pretty fluent with the hardware side of the board but i have no idea how to do the coding
September 20th, 2009 on 5:31 pm
I think Velleman has a AC dimmer kit (K8064) that can be connected directly to the K8055, it was pretty cheap to!