Are you confused about the wiring method of triode C945? Don't worry, PHP editor Strawberry will provide you with a detailed step-by-step guide to help you master the connection of this key component. Learn about the characteristics, pin assignments and wiring techniques of the triode C945 to make your electronic projects go smoothly. Read on to learn more about the wiring mysteries of the C945 and improve your electronics skills.
How to wire the triode c945?
If you have a current signal, but this current signal is not enough to drive the motor, and you want to use a power supply and a transistor to achieve it, then: connect the transistor in series to the motor circuit, C is connected to the motor, E is connected to the positive power supply, B Connect a resistor in series (select the resistance value according to the signal current) to connect the negative signal, and connect E to the positive signal. The transistor face faces itself, and the pins are arranged CBE. However, the maximum current of the collector of this tube is only 0.1A. If the motor current is large, the tube will be burned.
How to connect the segment switch?
The wiring method of the segment switch is as follows:
First, connect a red wire and a black wire to the 220V power supply, the red wire is connected to the phase wire, commonly known as the live wire, the black wire is connected to the neutral wire, and the yellow wire Connect one end of the load 1 lamp (parallel lamp group), the white wire to one end of the load 2 lamp (parallel lamp group), and the other ends of load 1 and load 2 to another black wire.
Extended information:
1. Introduction: Segmented switch is a switch that controls multiple groups of lights through multiple operations of one switch. Commonly used ones include two-stage three groups and three-stage four groups. wait. The core component of this circuit is a decimal counter (timing decoder) IC, HEF4017BP (its 16-pin is the power supply terminal, 8-pin is the ground terminal, 14-pin is the pulse signal input terminal, and 15-pin is the reset terminal), two 12v The relay and two NPN transistors C945 form a two-unit combined electronic switch.
2. Working principle: When the main switch zK is closed, the positive half-cycle voltage of the mains is reduced by the capacitor C1 and the current is limited. The voltage stabilizing tube VD acts as a rectifier tube for rectification. VD2 plays a voltage stabilizing role. D2 and VD2 is connected in series in the same direction, which increases the voltage regulation value of VD2 by about 0.7V.D2, which not only provides a positive half-cycle circuit of the mains power.
What is the wiring method of 945 motherboard?
100% will be marked on the motherboard. Just not necessarily near the wiring. This is especially true for off-brand motherboards. You can start without wiring. Try touching the pins directly with a screwdriver. Usually on the fringes. Light up the motherboard and determine the motherboard brand through the LOGO displayed on the motherboard when booting. Then go online and look for instructions. Just know the specific labeling of the pins.
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