Multi-Instrument Digital Assistant – PIC16F84A
“It contains four instruments in one unit: logic probe, single channel logic state analyzer, frequency counter and serial code receiver.”
The Engineer’s Assistant – Erik Grindheim
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This circuit is used to detect objects by reflected infrared light. It can be built into a cylindrical enclosure just like an inductive proximity switch. This is also useful as a level detector for colored liquids like oil. This has some immunity to ambient sunlight as it detects ac pulses. InfraRed Detector for Proximity Switch Electronic Projects of Ronald Ronald Dekker’s Nixie Tube Projects and Software. (Image Below Colored and Enhanced by Anantha Narayan delabs) A poorman’s oscilloscope The Security Guard duty monitor below, shown in eight circuits at Digital Circuits – 1 are examples of logic circuits, i have converted them from the DOS Orcad to Orcad 9 and corrected some errors a few years back. These circuits can be used for looking at the logic blocks or to learn. This product was [...] ICL8038 Device Information The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components. The frequency (or repetition rate) can be selected externally from 0.001Hz to more than 300kHz using either resistors or capacitors, and frequency modulation and sweeping can [...] Digital Alarm Clock Web Gadget with Musical Alarms This Web Gadget is for the Google Homepage, Web-page or blog. You can set Five Alarms with Ten Selectable Musical Sounds and a small Text memo. Add to Webpage The Project Page digital-alarm-clock The simulation is as close as possible to a uC based Clock which you could build, The GUI [...] Digital Clock Web Gadget for Date and Time This Web Gadget is for the Google Homepage, Web-page or blog. It has seven segment display, similar to traditional Digital Clocks in the dashboard. It will also indicate the date and week. Add to Webpage seven-segment-digital-clock The Project Page The javascript is as close as possible to a c program that [...] |
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