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Power Up not running, Reset needs to be held low
Hi, ok first I cant imagine why lots of other people dont have this problem, maybe its just my bad circuit design. :? I could only find one other post of someone who couldnt get...
Friday, 30 October 2009 - 13:44
Are transformers voltage dependant?
Hi, I want to go from 400V to 7.2V (only have 400VAC to run my board off). But I could only get 230V to 7.2V transformers. So I figured no problem, as long as I draw less than the...
Wednesday, 28 October 2009 - 17:47
AT86RF212 Antenna Brickwall
Hi, I would like to make a remote control device for my gate. I checked my local supplier and they can only bring in the AT86RF212 (dont have stock of the AT86RF230/1). I like the...
Wednesday, 14 October 2009 - 10:39
Switched Mode Power Supplies, Changed to Variable OP?
Hi, I have been reading up on switch mode power supplies, and one that has peaked my interest is the attached schematic from the datasheet of a TOP249Y. If you look at the bottom...
Thursday, 20 August 2009 - 22:52
Turn a MOSFET into a high Voltage IBGT type device?
Hi guys, I want to make a motor drive, but the MOSFETs that can supply the current, dont have adequate Voltage rating (I want 1.2KV). And IGBTS are much more expensive than...
Monday, 27 July 2009 - 09:11
Is this how the AT90CAN Mailbox plugin is supposed to look?
Hi, I downloaded and installed the "AT90CAN128/64/32 Plugin 1.0.6 (for AVR Studio 4.12 or higher)" http://www.atmel.com/dyn/products/product_card.asp?part_id=3795 I have AVR...
Sunday, 31 May 2009 - 19:27
Solved: HC165 is behaving like a MUX??
Dont want to waste anyones time with my noob antics so this has been cut! :oops:
Saturday, 30 May 2009 - 14:05
OCF1A Bug
I have been trying to get some timers to work and failing miserably. Normally its easy, but for some reason nothing wants to work for me when simulating with a AT90CAN32. I have...
Wednesday, 27 May 2009 - 09:02
Is this a bug or Me? Fast PWM simulation with AT90CAN32
Please refer to post below for help please! (previously I was asking why the simulator wasnt working properly. Apparently that just the way it is. But I still have a major problem)
Wednesday, 27 May 2009 - 06:54
Another HC595 Shift Register Thread, cant get it to work
Hi, I have read like every thread that mentions the HC595 serial in, parallel out shift register. I have checked my wiring 50 times. I have checked the data sheet countless times...
Monday, 25 May 2009 - 16:08
Smart Solenoid Drivers
Hi, I wish to make a smart solenoid driver. I was going to use some standard relays, but after some research I think the benefits of a smart driver are worth it, these being: 1)...
Saturday, 7 March 2009 - 14:09
Is this really smart or stupid?Replacing resistor with Zener
Good Day, Firstly refer to the attached pic. In the top layout there are the usual resistors to set in the photo diodes input current. However if I have lots of these inputs, I...
Sunday, 1 March 2009 - 17:44

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