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P&S in China, any experience?
Hi, My production run is being screwed by lack of available parts. P&S seem to have a critical part that I need, but I do not know how reliable they are and if they have a...
Thursday, 29 March 2012 - 01:51
Debugger, copy array values into excel?
Hi, I have an array of 500 values filled with ADC samples, I can see all 500 values when I assert a break in my debugger, but I want to copy the array into Excel so I can...
Saturday, 10 March 2012 - 23:53
how do you guys hand assemble prototypes?
I spend alot of time soldering prototypes together, so I am looking for ideas to speed up the process. I do not put value labels on the components, only name labels, usually my...
Monday, 13 February 2012 - 20:52
PCB Assembly Comparison
This is a big can of worms, but I would like to do a comparison of PCB Assembly Places. First and foremost is cost. So lets keep it simple and only talk about costs associated...
Sunday, 29 January 2012 - 06:16
Digital Resistor, built like a R2R DAC?
Suppose I have a resistor connected from terminal A to ground. Terminal A is some port on an IC who's characteristics change based on the value of the resistor connected to ground...
Monday, 23 January 2012 - 05:31
Paralleling Digital outputs for greater drive current?
I am not using AVR, I am using Cortex M0. I need to output a 0-5v pulse, the current is about 10ma. Any single pin on my M0 uC can not push so much current and the result is a 0....
Monday, 23 January 2012 - 05:10
Where can I find these types of pin headers?
Any help is appreciated
Thursday, 19 January 2012 - 21:51
Good DDS chip for signal generator
Hi, I want to build a simple signal generator, what chips are good value and easy to work with? I do not know the specs of what I need/want yet, it all depends on the price of the...
Friday, 6 January 2012 - 05:48
I am looking for a chip that on one end can interface to my micro via UART/I2C/SPI (SPI is not preferred, but tolerable) and on the other end interface to a CAN BUS. Is there any...
Wednesday, 16 November 2011 - 04:55
Eagle layout, solder mask over via, setting
Hi, What is the setting in Eagle that enables/disables the soldermask over vias? Regards, Alan To
Wednesday, 31 August 2011 - 04:12
Looking for a well priced switching regulator
Hi, I am looking for the following: -buck converter -Input voltage 20v max -output voltage 5v -output current 1.5A max -switching frequency 1mhz or higher -well priced -minimal...
Thursday, 18 August 2011 - 05:16
12v power supply, conditioning circuit
Hi, In my design, I have a max of 8 modules. Each module contains a micro + FET, the module pwm switches a heater @ 1khz, essentially a power resistor. One end of the heater (...
Tuesday, 21 June 2011 - 19:34