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The phototransistor and photodarlington couplers function as direct current relays in saturated switching, handling currents up to 5 mA and 50 mA, respectively. For applications requiring higher currents or voltage capabilities, supplementary devices are necessary to buffer or amplify...
This programmer was designed in view of to be flexible, economical and easy to built, the programmer hardware utilizes the standard TTL series parts and no special components are used. The programmer is interfaced with the PC parallel port...
I designed a simple sinewave generator based on a Analog Devices AD9832 chip. It will generate a sinewave from 0.005 to 12 MHz in 0.005 Hz steps. That's pretty good, and definitely good enough for me! But while waiting...
This simple device enables two computers to share a single USB printer or other USB devices, such as an external flash drive, memory card reader, or scanner. A rotary switch is used to select the PC that will be connected...
The Analog Interface Unit (AIU) is a simple circuit that connects to a PC parallel port, and allows you to sample and output 8-bit analog signals under software control. More: Here are some of the features: 8-bit ADC and...
The programmer utilizes a serial signaling scheme to program the chip while it is in-circuit. The signaling is transmitted through the programming clock (PGC or ICSPCLK) and the programming data (PGD or ICSPDAT) pins. Additionally, the MCLR/VPP pin serves...
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