master works as a teacher at school. Sometimes in class, the noise from the students rises. To attract attention and made a master this device. The principle of its work is simple, the traffic light is on the teacher’s desk, when the classroom is in a normal working environment - the green light is on, when the noise level rises - the master turns on the yellow light, when the noise level is exceeded, turns on the red. According to him, three years of using the device showed that this is a very simple and unobtrusive way to control the noise situation.
So, for the manufacture of traffic lights need the following
Tools and materials:
-Rule;
-Marker;
-Gon;
-Drill;
- Screwdrivers;
-A circular saw;
-Insulating tape;
-Plywood;
-Board;
-Fasteners;
- Joiner's glue;
-24 VDC power supply;
-Three-position switch;
-Wire;
-Paint;
-Brush;
Step One: Sawing
First, the master cuts wood material according to size.
Step Two: Painting
Now you need to paint the details. The master paints them black.
After drying, the paint sticks to the workpiece strip masking tape.
Stains yellow. Then you can remove the tape.
Step three: install the lamp
Then the master drills a hole, pulls a wire into the hole and secures the lamp on the base.
Step Four: Build
Assembles the body.
Drills a hole and mills the installation location of the switch.
Sets the top.
Paints the back panel.
Performs electrical installation and checks the operation of the device.
Everything is ready, now you can check the device in operation. According to the master, such a traffic light can also be used to inform. For example, in the office: green may mean that you are in your office and open to receive visitors, yellow may mean that you are in it, but prefer not to be interrupted, and red may mean that you are outside your office .
