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I want to change the 3.3 v output to 5v output , but should still
keep the 25mA current driving capability,because I need to drive motor.
I have used 74HCT245 ,and 74FCT245 , but the current is not
Note that the output should not be the open-drain , such as...
I plan to make a module to connect PDA and company intranet through PDA's IrDA port . I know that the PDA can connect to INTERNET through mobible phone's GPRS with IrDA communication .I hope the PDA can exchange data with company's PC with this module . Does anybody have...
pic16f628a analog input
Dear all friend ：
Thank you for your help .
I try this circuit in the PROTEUS VSM . It can work , But I think it is
not reliable. At last , refer to other pepole's circuit (pls refer to the attached file ), I modify my circuit, the key share the io with the LCD...
In my project , I want to use RA2 to do the key detection . So I select
the comparator mode 010, and use the internal VREF . but I just use RA2 for the comparator input (analog input) , I plan to use the other RA0, RA1,
RA3 to do the digital output, In the...
I use the Jeeni JTAG to connect IAR System Philips Lpc210X kickstart card, I meet the below problem when open the AXD
JEENI (ADP ARM7TDI,RST)Rev2.2
Rebuilt on Jan 12 2001 at 14:22:34
JTAG ERROR TDO=01FE03FE
EICE ERROR :00000000,00000000...
I want to use the ITT trackball in my application, but the information about this trackball is little in ITT website.
pls refer to this link:
**broken link removed**
Does anybody use this trackball in your project?
Can you tell me where can I get the detailed information ?
about the unicode font
I found the unicode font bit map in the below website through the google search.
but I can not access...
I want to do a USB Radio project . the function is similar to D-Link
USB radio production, but I want to add a AD to capture the audio data
and then send the audio data to the PC through the USB cable .
I am afraid that the speed of USB is insufficient to transfer to audio data...
Hi, all guys:
I need to design a high efficiency dc-dc converter for mp3 player application. I sort some dc-dc converter from on-semi or maxim website.
such as ncp1410 or max1706. the efficiency parameter in the datasheet is
very high(95%) . but in my actual application , the Vin=1.5v ...