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New ICs Simplify Battery Charging from the USB - DN320 Design Notes
(Linear Technology) (app note added 2/06) |
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PIC USB Interface with FT245 - This is a simple design that interfaces a PIC
16F877 microcontroller to the USB bus using the FTDI FT245 USB FIFO device.
It has been designed using a simple single sided PCB with only ….(schematic added
08/08/08) |
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PIC18F2445 USB Experimental IO Board - ….(electronic schematic added 11/08)
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Port-Powered Li-ION/Li-Polymer Battery Charging - Microchip Application Note
Published 31-Jan-05 (app note added 2/06) |
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Powered AA NiMH & NiCd Battery Charger - The charger in this project is
designed to charge two AA NiMH or NiCd cells of any capacity (as long as they are the
same) at about 470mA. It will charge 700mAh NiCds in about 1.5 hours, 1500mAh NiMHs ….
[Stefan Vorketter] |
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Pre-Compliance Testing with Agilent Infiniium - Agilent Application Note
(added 6/06) |
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Printer Sharing Switch - I had two computers, a Mac Mini and a generic
Windows computer. Both were on different networks, but in the same room, and I wanted
to share a Lexmark USB laser printer between the two of them. I ended up making this
switch to share the printer between the two computers....(schematic / circuit added
6/07) |
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programmer for Atmel AVR Controllers - USBasp is a USB in-circuit programmer
for Atmel AVR controllers. It simply consists of an ATMega48 or an ATMega8 and a
couple of passive components. The programmer uses a firmware-only USB driver, no
special USB controller is needed. ….... |
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Protecting USB Data I/O Ports - MicroNote 117 from Microsem....[App Note]
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PS/2® to USB Mouse Translator - Microchip Application Note Published
4-May-04 (app note added 2/06) |
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RDS Coder Board using ATmega32 - This board is a RDS coder using an ATMEL
AVR ATmega32. This board can be controled by a RS232 link, USB interface or SPI.
TA data is displayed wiyth a LED and can be controled by :, Hardware input, RS232,
USB, SPI (not yet implemented) |
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RS232 Serial to USB Converter - This is simple RS232 Serial to USB Converter
that doesn’t need any further explanations. You can use it for any projects that might
need it. Diagrams for USB and DB-9 female connectors are provided. ….(electronic
schematic added 11/08) |
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