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SEGMENTED_SWEEP_DISPLAY
2016-12-02 09:31:5763Staircase voltage builds up across C2 when pulses from Q2 turn Q3 on momentarily. R3 controls voltage amplitude of each step. R1 controls rate of free-...
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400000_RPM_TACHOMETER_DISPLAY
2016-12-02 09:09:4163Has five Dekatron tubes arranged in cascade. Negative-going pulses from plate of gating tube are fed to 30-microsec one-shot mvbr V 10. Tetrode thyratr...
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Calendar and clock display interface circuit
2016-12-02 08:30:2766As shown in figure,this display interface is composed of EEPROM24C256 and calendar clock chip PCF8563.24C256 is a low voltage, serial interface and 256...
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CH52010 Display Control Micro-Computer Integrated Circuit
2016-12-02 07:51:4163The CH52010 is a display control micro-computer IC which is widely used in Changhong series VCD players and so on.1.Its functional features.The CH52010...
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The schematic diagram of LCD digital displayer construction
2016-12-02 03:51:0575LCD displayer is also called LCD digital displayer, whose construction is shown in the figure. The main material of LCD displayer is liquid crystal(abb...
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Rolling Circle Motive Display Circuit Composed of CD4017
2016-12-01 23:31:3964As seen in the figure, because of CD4017's output trait thatone of its10 output terminals will output high level while the other nine terminals all out...
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BEAT_FREQUENCY_DISPLAY
2016-12-01 22:49:5362Apparent rotation of dot on four-LED display gives indication of beat frequency between ttnro tone oscillators.When F1 is greater than F2, dot rotates ...
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Invention History of Liquid Crystal Display (LCD)
2016-12-01 20:31:2679The history and development of the Liquid Crystal Display (LCD) is rather complex. The story of the LCD had an unusual beginning by an Austrian botanis...
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MULTIPLEXED_COMMON_CATHODE_LED_DISPLAY_ADC
2016-12-01 20:19:0466Here, a Teledyne TSC7135 DVM chip is used to drive a multiplexed 5-digit display. A CD4513BE CMOS IC, for common cathode drive, is used as a segment dr...
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The caller number display device circuit
2016-12-01 19:12:0260The device works with the phones that haven't got the functions of display, which can display caller number so that people can check if the called numb...
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Radio Digit-Type Frequency Display (C040,556) Circuit Diagra
2016-12-01 17:48:2562The above picture is radio digit-type frequency circuit diagram. The circuit is double time based circuit 556(IC1), BCD-code three-digit counter IC2(MC...
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4511B_COMMON_ANODE_DISPLAY_DRIVER
2016-12-01 15:39:2263The use of a switching transistor (like a 2N2222 or 2N3904) allows use of the CD4511B with a common-anode display. Ry should be chosen to provide about...
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Liquid Crystal Displays (LCD)
2016-12-01 13:41:3364We always use devices made up of Liquid Crystal Displays (LCDs) like computers, digital watches and also DVD and CD players. They have become very comm...
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PIC16F873 remote display (AC100V)
2016-12-01 13:13:4561This article describes the PIC16F873 remote display (AC100V). The content is very simple, very helpful. Components in this article can help you underst...
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HI_L0_LED_FREQUENCY_DISPLAY
2016-12-01 13:12:5368Apparent rotation of flashing LEDs around square indicates whether input frequency is above or below reference frequency. Input and reference waveforms...
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The 8-bit LED dynamic display circuit of ICM7218A
2016-12-01 13:08:5164The 8-bit LED dynamic display circuit of ICM7218AIn the figure is the 8-bit LED hardware scanning dynamic displayer consisting of 8031 and ICM7218A. As...
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Led display digital Voltmeter
2016-12-01 12:23:4462This is an easy to build, but nevertheless very accurate and useful digital voltmeter. It has been designed as a panel meter and can be used in DC powe...
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Audio Power Indicating Circuit Using Five-digit LED Display(
2016-12-01 11:07:5566The picture shows the audio powerindicating circuit which uses five-digit LED display. The circuit consists of level meter driver FD502 and five-digit ...
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MOVING_LIGHT_DISPLAY
2016-12-01 10:02:5865Computer-controlled blinking of LEDs arranged in circle or other pattern gives illusion of motion. One section of quad 7475 latch is assigned to each o...
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GPS LCD Display Project (16F84)
2016-12-01 08:11:1480This article describes the GPS LCD Display Project (16F84). The principle is very simple, very practical. The circuit components can help you understan...
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DIGITAL_LEVELS_SCOPE_DISPLAYS_2_LOGIC_SIGNALS_ON_1_SCOPE
2016-12-01 08:02:4261Using this simple resistor circuit, you can trick your oscilloscope into displaying two logic signals on one channel. If you select R2 to be twice R1, ...
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Points, line overflow LED display circuit with LM3914
2016-12-01 06:05:5165This circuit is in point working mode when it has no overflowing. When it is overflowing, LED changes into line display mode, thus indicating the overf...
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The week digit displayer circuit
2016-12-01 05:12:2360The week digit display circuitThe circuit of the week digit display circuit is in the figure, of which IC1 is a decimal counter/distributor, IC2 is a s...
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TRICOLOR_LED_SIGN_DISPLAY
2016-12-01 03:55:2664The purpose of this circuit is to light three-terminal LEDs in sequence on a small sign for a model railroad. Capacitor C2 is connected to the resets o...
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digital voltmeter with LED display (ICL7107)
2016-12-01 02:15:1765This is a design circuit for digital voltmeter with LED display. Itas ideal to use for measuring the output voltage of your DC power supply. It include...
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KEYBOARD_ENTRY_WITH_4_1_2_DIGIT_DISPLAY
2016-12-01 02:04:2264Developed to give keyboard entry of desired frequency for 2-meter frequency as alternative to thumbwhee-switch setting of frequenoy, When key is depres...
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Samsung SAMSANG5508/7508 type color display switching power
2016-12-01 01:40:0879Here is the schematic diagram of the Samsung SAMSANG5508/7508 type color display switching power supply (DPl04P)circuit:...
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Display Equipped Radio Pager Circuit
2016-12-01 01:09:5564A display-equipped radio pager according to the present invention provides a detecting circuit 6 to detect keywords which are distinguished by a specif...
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