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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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TRANSDUCER sa LOUDSPEAKER DRIVER sa MAGNETIC DETECTOR sa MICROPHONE sa PHOTOELECTRIC DEVICE sa PIEZOELECTRICITY sa STRAIN GAUGE sa THERMISTOR sa THERMOELECTRIC DEVICE x SENSOR (ELECTRONIC) xx ELECTRONIC COMPONENT xx MEASURING & MARKING xx SWITCH -- ELECTRONIC Interfacing with an analog world. Part 1. How transducers work and some problems in processing their signals. Putting real-world interfaces to work. Part 2. Inexpensive transducers for the TRS-80. Personal computer signal processing. An introduction to transducers, interfacing, and system development. Sensor basics. An overview of some of the many varieties of sensors that are available and their uses. Looks at magnetic, light, and temperature sensors. Various application circuits shown. Detecting and measuring physical parameters. How to use sensors to detect and measure just about anything. Advice on finding the right sensor, interfacing sensors to microcontrollers, and a microcontroller and BASIC compiler for data acquisition and other applications. Using rotary encoders to provide digital data that can be readily used in computer control applications. How they work, how to use them, and how to make them from discrete components. Includes circuits for use with stepper motors and an exercise bike speedometer. An infrared-based rotary or linear encoder circuit. Simple digital-like circuit that can be used as a level monitor for pressure, temperature, fluid and other similar types of sensors. Night Owl remote-activated switch lets you select any of five different transducers (switches) to operate. They include puff switch, pedal switch, cord switch, and ribbon switch How to detect ultraviolet, visible and infrared radiation. Part 1. Experimenting with thermister, thermopile and pyroelectric detectors. How to detect ultraviolet, visible and infrared radiation. Part 2. Photodetectors, photoemissive detectors, etc. Circuit showing a pressure-sensitive transducer (input) coupled with a standard transistor audio-amplifier which may be used in switching circuits. Making sense of sensors. A collection of electronic sensing methods that can detect anything from air speed to zoo odors. Audio indicators and acoustics. What goes into creating electromechanical, electromagnetic, and piezoelectric acoustic transducers (buzzers) and useful tips for getting the most out of them in your circuits. Sensors made simple. The construction, characteristics and operation of commercially available sensors such as mechanical switches, magnetic switches, photocells, phototransistors, and optocouplers. Electronic sensors. Circuits for a group of 5 non-moving, non-mechanical replacement sensors that are IR light operated. (1) See-through sensor. (2) Light-block sensor. (3) PLC interface. (4) Reversed PLC interface. (5) Reflective sensor. More electronic sensors. (1) Vibration detector. (2) Magnetic-field detector. (3) Tilt sensor. (4) Wind-direction sensor. (5) Reed-switch replacement. Circuit to detect the presence of air flow is based on the cooling effect of air currents moving over an exposed incandescent lamp filament that is operating at a very low voltage. Applications of National Semiconductor's IC pressure transducers include a solid state barometer, blood-pressure meter and precision weight scale. An in-depth look at a temperature transducer and precision voltage reference all in one IC, the REF-02. All about making measurements electronically. A look at thermocouples, thermistors, piezoelectric crystals and other transducers. Techniques to help you use transducers more effectively. Making measurements with IC's. Learn about the kinds of IC sensors currently available and the shape future sensors are likely to take. Looks at sensors for temperature, strain, pressure, acceleration, hall-effect, images, and gas. Measuring pressure. An introduction to solid-state pressure transducers and typical applications. Digital peak detector. A transducer, peak detector, and digital display are the main components of a digital-readout peak-detector project. Used to measure the highest speed, sound, temperature, etc. (depending on the transducer). Finding and using humidity sensors. Some tips. Linear voltage differential transformers, a special kind of transducer. How they work and typical applications. Sense-sational sensors. A review of sensors which indicate the presence of light, sound, temperature, pressure, and movement. Includes experiments that illustrate the sensitive biological sensors in our bodies (sight, hearing and touch). Game cards, transducers and experimental inputs. (1) How to attach joysticks to a computer using a game card. (2) Using various transducers to capture input data for a computer. Looks at resistive sensors, switches, slow-speed rotation, light-beam detector, etc. (3) Design ideas for a water-level gauge, simple wind direction indicator, and a tipping-bucket rain gauge. | |||||||||
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