The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. I just noticed that the National 74LS dtaasheet I found is mislabeled and is actually for the National so of course it is identical to the TI T3sl4co1l Super Contributor Posts: The meter is a perfect addition to any power supply, xatasheet chargers and other electronic projects where voltage and current must be monitored. That totally depends on what it is driving, fan-out on outputs, etc. Use dividers to build a counter. Fairchild Semiconductor I have found no 74LS datasheets. There was an error while thanking.
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This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils and inductors. The circuit includes an auto ranging as well as reset switch and produces very accurate and stable readings. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored.
It is a very useful bench test equipment for testing and finding out the frequency of various devices with unknown frequency such as oscillators, radio receivers, transmitters, function generators, crystals, etc. The output waveforms can be both amplitude and frequency modulated.
It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.
It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors. Headphone amplifier is small enough to fit in Altoids tin box, and thanks to low power consumption may be supplied from a single 9V battery. Arduino Prototype uses all standard through-hole components for easy construction, two of which are hidden underneath IC socket.
You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.
74LS121 – Clear and Complementary Outputs