-
Anonymous users2024-01-24AutoCAD is the first to be recommended, don't be intimidated by the dense menu, there are tutorials on the Internet, if you simply draw a picture, it is enough to learn 2 hours from scratch.
As a factory, it is inseparable from production, supply and marketing. All types of work revolve around the three links of "production, supply and marketing". >>>More
Let the working current you set according to the requirements of brightness and LED parameters is i, the voltage drop between the rectifier diode and the LED is negligible, and the power on the resistor is the voltage 220V multiplied by the current i when there is no rectifier diode, and the effective value is halved after the diode half-wave rectification.
Bathroom, kitchen, bedroom, dining room, living room, this is home indoor, three bedrooms, two living rooms, two bedrooms, two living rooms, pick one.
You can send out your teacher's specific requirements and do it according to your teacher's specific requirements, and generally speaking, it's still very simple.
Knowing how to build a house and knowing what you want to build will not work.