Type in the full discussion title or a part of it.
Discussion Title Created date
One led, one resistor, or not?
I don't think the question can get more basic then this, but Google hasn't been much help on this one. That's why I am asking here. Is it okay to use one resistor for multpiple...
Monday, 6 February 2012 - 14:09
IR led & Phototransistor
Hi freaks, I have a simple question about IR leds and phototransistors. The MULTICOMP - OFT-5301 - PHOTOTRANSISTOR 5.0MM ROUND has a peak wavelength of 860 nm. The OSRAM - SFH4350...
Monday, 14 February 2011 - 09:54
Mutiplexing, DDRB on AtTiny44 not behaving as expected
Dear freaks, I've been breaking my skull over this one; Why does this code properly multiplex all 8 leds on PORTA properly PORTB = 0x00; // Use PORTB, all is off PORTA...
Wednesday, 8 December 2010 - 14:42
(PCB)Design - basic questions
As a hobbyest, I've been designing my very first PCB board. With the help of sparkfun and this forum I've gotten this far. The code is sorta working, my breadboard design is...
Thursday, 2 December 2010 - 10:22
Any battery experts here?
Hi gents, For a bit of time now I've been working on my pet, hobby project. It's an AvTiny24 with 13 leds hooked up to it, multiplexed in to two sets of 6 leds and 1 seperate led...
Saturday, 27 November 2010 - 12:00
PWM & Leds
As I posted in another thread, I am building a fairly simple heartbeat led flasher. This cute thing needs to display a eratic visual heartbeat on a costume. To this end, I have 13...
Wednesday, 10 November 2010 - 11:28
AVR Studio, settings on clock speed
This is going to be a very simple question, but I can't seem to find a definitive answer. In AVR Studio, I use the buildin programmer to connect to my STK500 and set the clock...
Wednesday, 10 November 2010 - 08:25
AtTiny2313 and memory access
Hi guys, I am not to sure this is the right place to post this, but I hope someone can help. This is the case. I am building a simple led flasher thingy that runs through a bunch...
Monday, 8 November 2010 - 22:31
Computer Fan speed controller
I am toying with the idea to make a somewhat more customised cooling system for my HTPC. Basicly, instead of one small fast fan at the CPU, I am going to use 3 fans that are...
Tuesday, 26 October 2010 - 10:51
Capacitor loading & Ignition
Hi guys. Thanks to your help in the https://www.avrfreaks.net/index.p... post I now have what is basicly a bridge wire ignitor. It works, it's cool, but, it's slow. I takes a one...
Monday, 25 October 2010 - 12:50
Glow wire & Ignition
Hiya, I am on the hunt again, this time; for a more efficient ignitor. Let me explain. I have currently in use a very simple ignition mechanism for some special effects. A bit of...
Wednesday, 25 August 2010 - 12:20
Capacitators - Nominal Voltage & Other things
I am building some learning projects for my own hobby goals, as such I am reading the sparkfun tutorials. In there they say I 'should be wise and just use some caps' and go on to...
Tuesday, 2 February 2010 - 13:11

Pages