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Smoke alarm circuit composed of photoelectric smoke detection alarm integrated circuit MC145010
Related component PDF download:The smoke alarm circuit composed of MC145010 is shown in the figure. It is powered by 9V stacked batteries. R2 and C3 are oscillation resistance and oscillation capacitance respectively, and the clock cycle...
Smoke detection and alarm circuit composed of ionic smoke detection and alarm integrated circ...
Related component PDF download:As shown in the figure, it is a smoke detection and alarm circuit composed of ionic smoke detection and alarm integrated circuit MC14468. The device is powered by 9V stacked battery. RT and CT are oscillati...
Brightness adjustment circuit composed of visible light brightness sensor LX1970
Related component PDF download:The brightness adjustment circuit is shown in the figure. As long as the duty cycle of PWM (Pulse Width Modulation) signal is changed, the brightness of backlight source can be adjusted to meet personal nee...
White light brightness measurement circuit composed of visible light brightness sensor LX1970
Related component PDF download:As shown in the figure, the circuit for measuring white light brightness composed of the visible light brightness sensor LX1970is. The light source composed of UCC, current source and white LED emits visibl...
Typical application circuit of monolithic RF transceiver nRF401
Related component PDF download:The typical application circuit of nRF401 is shown in the figure, and the UDD uses+3V power supply. The crystal oscillator circuit is composed of R1, JT, C1 and C2, and the loop filter is composed of C3, C4...
Application Circuit of Integrated Liquid Level Sensor LM1042 in Automobile
Related component PDF download:The application circuit of LM1042 in automobiles is shown in the figure. The power supply is taken from the+12V battery. Use the oil pressure switch S1 to select the probe. When the car is ignited, S1 is cl...
LCD backlight brightness automatic control circuit (visible light brightness sensor LX1970)
Related component PDF download:When the ambient brightness becomes obviously dark, the LX1970 can automatically turn on the backlight of the LCD to make the white LED glow. The brightness automatic control circuit is shown in the figure....
Brightness adjustment circuit with door control switch (visible light brightness sensor LX1970)
Related component PDF download:The brightness adjustment circuit using the door control switch is shown in the figure. This circuit has the following characteristics: a CMOS gate circuit is used to control the on/off of the LX1970power s...
Current loop interface of D/A converter (isolated programmable voltage/current sensor 1B22)
Related component PDF download:The current loop interface circuit of D/A converter is shown in the figure. This circuit can convert analog voltage generated by D/A converter into 4~20mA current of isolated output. The D/A converter can s...
Basic wiring of 4~20mA current loop output digital to analog converter AD421
Related component PDF download:When 5V power supply is used, the basic wiring of AD421 is shown in the figure. In the figure, the voltage regulator of AD421 and the external depletion type field effect regulator DN25D supply power to AD4...
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