Bagaimana cara mebuat rings a bell

Answer:
A. Planning
The automatic bell will sound when the On button is pressed, and the bell will stop when the Off button is pressed. Manufacture based on materials and tools available in the environment, and made with full responsibility with due regard to working principles.
B. Preparation
Preparation of the electric bell is to determine the tools and materials needed and make the design of electrical bell products to be made.
C. Equipment and materials
Equipment used in the manufacture of a simple bell of which is.
Hammer to make simple bell frame
Chainsaw for cutting wooden blocks or the like
Zinc scissors for cutting cans or the like
The meter to measure the length of the wooden blocks used for the bell frame is simple.

The materials used in the manufacture of simple bells are among others.
DC Electric Motors as a producer of motion that causes noise,
Switch as on / off button, battery holder, battery as current
DC power source
The wood used for the bell frame is simple,
Spikes are used to connect / string up simple bells,
Rubber for binding, bottle caps of syrup made of zinc or the like,
Cable to connect the electrical current from the battery to the DC Electric Motors and DC Electric Motors to the switch,
Lidi to hit the tin as a simple bell.
Cold drink cans made of zinc or the like.


The Bel-Making Process is simple
Stages of simple bell making include the following:

Measure the wood to be used to make the bell frame with the meter. The first wood with size: length = 13.5 cm and width 3 cm as much as 1 piece. Second wood with size: length = 10 cm and width 3 cm as much as 2 pieces. Third wood with size: length = 23 cm and width 3 cm as much as 1 piece.
Cut the measured wood using a saw.
Prepare the hammer and nails to combine the cut wood, thus forming a simple bell frame.
Prepare a syrup cap that is made of zinc or the like, then spread the edge of the bottle cap with a hammer. The next step, hole in the middle of the bottle cap with nails. Remember the hole must fit with the DC Electric Motor tip.
Cut the bottle cap with flattened zinc scissors. After that make another hole at one end of the bottle cap that has been cut as a place to install the stick.
Tie a used tin with rubber on the third end of the wood.
Take the DC Electric Motor and then insert the DC Electric Motor tip into the center of the bottle hole, making it look like a propeller. Then take the stick and insert it into another bottle cap.
Ikat DC Electrical Motor with rubber on the bell frame is simple.
Prepare the beterai and beterai places, then install the batteries according to the positive-negative pole.
Tie the battery pack to the bell with rubber and make sure it is not easy to remove.
Connect one cable from battery to switch, while the other cable to DC Electric Motor. Then take one additional cable that is used to connect the DC Electric Motors with the switch.
Simple bell making is complete and simple Bel is ready to be tested by pressing the on / off button.


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