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PCB coil calculation
Hi there, I have made some research for a pcb coil design. Before designing the pcb I took some measurements for the coil. Using a 0.25mm wire I made a winding with these results...
Tuesday, 21 July 2009 - 11:10
ISP an AVR with external WDT
I am just wondering if there is any way to program an AVR via the ISP interface, while it's reset pin is connected to an external WDT ic. I am using the MAX823 watchdog ic and the...
Tuesday, 23 June 2009 - 12:05
AVR + LCD + USB memory stick.
Hi there, My new project specs are: A non-rechargeable battery based data loger. The plastic enclosure is been chosen by the customer and can contaqin up to four AA batteries in...
Tuesday, 16 June 2009 - 05:50
Portable AVR Programmer
Hi there, I am looking for a profesional portable AVR programmer in order to use it in our production area. My needs are: 1. ISP programming. 2. Device Support: AT90CAN32-64-128,...
Friday, 5 June 2009 - 13:38
CAN Bus Protection circuit
Hi there, We are on the design state of CAN bus product using the PCA82C251 transceiver from Philips. We have used an external circuit for the transceiver protection, but we...
Wednesday, 3 June 2009 - 13:00
LAmp's power supply question
Hi there, Three years ago I bought a lamp with the code HPR125 from Philips, in order to use it for making my own prototype boards. The manufacturer's spec says that the lamps...
Tuesday, 2 June 2009 - 20:07
SMD Resistors-Capacitors collection
Hi there, I would like to buy an E24 (5%)1206 or 0805 Resistor collection in plastic small cases. I would also like to buy a similar collection of multylayer capacitors. Do you...
Tuesday, 26 May 2009 - 18:25
USB supplied circuit problem
Hi there, I have a problem here. I am writing the source code for a USB supplied product. The USB ic I use is the FT232R that comunicates with the pc using the latest Virtual Com...
Sunday, 24 May 2009 - 19:13
8bit crc calculation function
Hi there is there any 8bit crc calculation function out there? I mean something like this: unsigned char crc_8bit(unsigned char *start, unsigned char length){ /* crc...
Sunday, 24 May 2009 - 16:59
ADC & pull-up question
Hi there, I would like to ask you a simple and fast question: Is there any way to use the internal pull-up of analog a pin, while it is set as an analog input channel??? I am...
Thursday, 14 May 2009 - 17:10
AVR Dragon devices support
Hi there, I am planing to buy an AVR Dragon debuger. My problem is that I am a little bit confused over the supported devices. Looking at [urlhttp://www.atmel.com/dyn/product... I...
Tuesday, 28 April 2009 - 07:41
AVRJTAGICE_MKII revision B problem
Hi there, I am using the JTagIce mkII (revision B) for debuging the AT90CAN32-16AU. The current version of the tools I am using is: AVR Studio 4.14.589 GUI Version 4, 14, 0,...
Thursday, 23 April 2009 - 06:30

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