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Driver VU Meter with Segmen using 7107 6710 – Circuit Schematic
Driver VU Meter with Segmen using 7107 6710
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Test equipment circuit diagrams – Circuit Schematic
Test equipment circuit diagrams
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A contact-less digital tachometer based on optical sensors – Circuit Schematic
A contact-less digital tachometer based on optical sensors
The circuit for the Digital Tachometer/RPM Counter consists of only a few devices. Wire them up according to the following circuit diagram. The PIC I`m using is...
Frequency Meter Circuit – Circuit Schematic
Frequency Meter Circuit
Frequency Meter Circuit of Service Include all the standard frequency bands amateur hf and vhf and uhf And displayed on the LCD screen This is to e....
LAN RJ45 Cable Connection Tester – Circuit Schematic
LAN RJ45 Cable Connection Tester
Here`s a very simple, but practical circuit, which is used to check the type of LAN cables (straight or cross) as well as possible faults. So we use a unit that...
Walkie high-accuracy data collecting system with LCD human-computer interaction function – Circuit Schematic
Walkie high-accuracy data collecting system with LCD human-computer interaction function
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The small resistance tester based on C8051F005 one-chip computer is designed – Circuit Schematic
The small resistance tester based on C8051F005 one-chip computer is designed
We have adopted the one-chip computer, utilize the advantage of the one-chip computer to design this survey meter. This survey meter can read out the resistance...
The intellectual digital voltmeter based on MSP430 one-chip computer is designed – Circuit Schematic
The intellectual digital voltmeter based on MSP430 one-chip computer is designed
The voltage measurement is very general in electron technology at present, accuracy requirement and functional requirement for the instrument are higher and hig...
The grain based on PIC18F4580 weighs system design – Circuit Schematic
The grain based on PIC18F4580 weighs system design
The grain measures the main technical indicator of grain quality to includes miscellaneous rate and volume density, not only determine grade and price of the gr...
The electronic blood manometer based on MSP430F449 is designed – Circuit Schematic
The electronic blood manometer based on MSP430F449 is designed
The sphygmomanometer can roughly be divided into two kinds at present: First, mercury sphygmomanometer, steady for number value advantage its, shortcoming its o...
The built-in ultrasonic flow measurement of stand pipe based on correlation method is designed ( – Circuit Schematic
The built-in ultrasonic flow measurement of stand pipe based on correlation method is designed (
In industrial production, flow measurement is to employ the extensive measurement physical quantity. Under special circumstances, when for instance vertical ext...
frequency counter – Circuit Schematic
frequency counter
This design synthesis has considered the survey accuracy of the frequency and measured the requirement of response time. For example it is 3 significant digits ...
the design of the walkie cardiotachometer of MSP430 – Circuit Schematic
the design of the walkie cardiotachometer of MSP430
We have designed a walkie cardiotachometer, it can substitute and carry on the metric classic method with pulse auscultator, etc. , it is very convenient to use...
the design of the digital frequency meter of one-chip computer and CPLD – Circuit Schematic
the design of the digital frequency meter of one-chip computer and CPLD
This digital frequency meter of circuit is succinct, software potentiality is fully excavated, the survey accuracy of the low frequency band is high, have preve...
Design on the basis of the mechanically controlled digital frequency meter of one piece – Circuit Schematic
Design on the basis of the mechanically controlled digital frequency meter of one piece
Its basic function is frequency and cycle of the measuring signal, the application of the frequency counter is in a very large range, it is not merely applied t...
Data collecting system of LCD human-computer interaction – Circuit Schematic
Data collecting system of LCD human-computer interaction
This text regards MSC1210 as the cores of measuring, SIGPROC signal processing and communication, has designed the module of acquisition system of high-accuracy...
Circuit Description – Circuit Schematic
Circuit Description
Setting circles on an astronomical telescope are used as an aid to pointing the telescope at a particular object in the sky based upon the object`s celestial co...
avr oscilloscope nokia lcd – Circuit Schematic
avr oscilloscope nokia lcd
This is an easy to build X-Y oscilloscope. To try this an ATmega324P and two KAD0820 (same as National Semiconductor`s ADC0820 ) were used. Originally this osci...
Voltmeter – Circuit Schematic
Voltmeter
If the instruments have power when you turn on the key, then I would check the neutral safety switch. Based on Standard Boat Wiring Colors, follow the yellow/re...
Electronic Voltmeter Ammeter Circuit Using Single IC 741 – Circuit Schematic
Electronic Voltmeter Ammeter Circuit Using Single IC 741
Simple Electronic Multimeter High cost deters many hobbyists from buying a conventional multimeter. Since it is difficult to obtain cheap 50 uAor 100uA meters w...