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Intelligent interface circuit and temperature sensor DS1620 SPI bus circuit – Circuit Schematic
Intelligent interface circuit and temperature sensor DS1620 SPI bus circuit
With a three-wire serial interface smart temperature sensors DS1620 and SPI bus interface circuit as shown below: ...
Bimetal thermostat control one circuit – Circuit Schematic
Bimetal thermostat control one circuit
Use fluorescent starter bimetal can be prepared as a temperature sensing element, as the thermostatic control. Double metal sheet for temperature sensing elemen...
XTR105 reverse voltage and over-voltage surge protection circuit – Circuit Schematic
XTR105 reverse voltage and over-voltage surge protection circuit
Shown for the XTR105 reverse voltage and over-voltage surge protection circuit. Zener diode is 36V, or choose 1N4753A 1N6286A. Maximum Vps must be less than the...
Photoelectric controller circuit immunity – Circuit Schematic
Photoelectric controller circuit immunity
It has a strong anti-jamming capability, suitable for demanding applications. Circuit by the phototransistor VTi, Schmitt trigger H005, JK flip-flop H013, power...
Voltage output humidity sensor meter circuit HM1500 / 1520 with microprocessor PIC16F874 – Circuit Schematic
Voltage output humidity sensor meter circuit HM1500 / 1520 with microprocessor PIC16F874
Intelligent humidity meter circuit by the HM1500 / 1520 humidity sensor and MCU configuration shown in Fig. The meter + 5V power supply, with four common cathod...
Level controller circuit – Circuit Schematic
Level controller circuit
This circuit is used to maintain the level between two fixed points. Just transform K1 contacts off the case, it can be filling or extraction work in two ways. ...
Discrete circuit elements constituting the ultrasonic transmitter – Circuit Schematic
Discrete circuit elements constituting the ultrasonic transmitter
Discrete components ultrasonic transmitting circuit T / R-40-16 can emit a series of ultrasonic signal of 40kHz. ...
The signal processing circuit – Circuit Schematic
The signal processing circuit
It works semiconductor color sensor can be summarized as follows. The figure shows the spectral response curve of two photodiodes have a point of intersection, ...
5-channel low-power programmable sensor signal processor with AD7714 circuit – Circuit Schematic
5-channel low-power programmable sensor signal processor with AD7714 circuit
AD7714 Typical application circuit is shown in Fig. UDD, UDDA end of the AD7714 can be connected to + 3V or + 5V power supply....
Manual thermostat circuit – Circuit Schematic
Manual thermostat circuit
This circuit uses "and other potential triggers" Circuit. The so-called equipotential trigger means crystal bidirectional thyristor trigger, whether p...
Transistor circuit of a pressure gauge – Circuit Schematic
Transistor circuit of a pressure gauge
In order to ensure that the transistor in the circuit to work properly, it is often the reverse breakdown voltage of the transistor to be measured....
TMPO1 internal functional block diagram and basic application circuit – Circuit Schematic
TMPO1 internal functional block diagram and basic application circuit
TMP01 is a temperature sensor that comes with a programmable temperature controller, primarily integrated reference voltage source, a current...
Manual thermostat circuit – Circuit Schematic
Manual thermostat circuit
Adjustment potentiometer RP, can change the TRIAC V conduction angle, to achieve tempering purposes....
XTR108 circuit diagram of a three-wire RTD connection – Circuit Schematic
XTR108 circuit diagram of a three-wire RTD connection
Shown for the XTR108 three-wire RTD connection circuit. Sensor connection RTD lead resistance may introduce errors. Using the figure ...
Avoid contact thermometer circuit – Circuit Schematic
Avoid contact thermometer circuit
In order to prevent electric contact pressure thermometer contacts singeing failure, the best way is to work to improve the contacts, as shown in Fig. 11-60....
Optical coupling electrocardiogram measuring instrument circuit – Circuit Schematic
Optical coupling electrocardiogram measuring instrument circuit
Tuner universal optocoupler should be on the electrocardiograph use, it is a typical circuit is shown in Figure 5-29. Circle O,...
Thermostat controller integrated circuit schematic – Circuit Schematic
Thermostat controller integrated circuit schematic
As shown in Figure by the built-in temperature sensor to control the triac TC620 achieve temperature control. Adjustment circuit Rp1 and Rn ...
Bicycle speed circuit – Circuit Schematic
Bicycle speed circuit
Cycling is our common means of transport, if accompanied by a bicycle speedometer, you will be able to master cycling speed, especially for cyclists , the usual...
Blanket internal measurement circuit disconnection – Circuit Schematic
Blanket internal measurement circuit disconnection
Look for the blanket internal disconnection circuit, its working principle is: M spot welding have a wire about 2cm induction body, when a sense of...
Thermistor circuit basic application – Circuit Schematic
Thermistor circuit basic application
As shown for the basic application circuit thermistor. Figure (a) of the basic temperature measurement circuit. The circuit temperature measurement accuracy ...