This small device can reproduce music within 8 hours without recharging. The master made it for "falling asleep". Those. Before bedtime, it includes relaxing music - rain, surf, jungle, etc.
Tools and materials:
-Derore drawer 8.5 x 7 x 4 cm;
-Lithi-polymer battery;
-Fig device Li-Po;
-Module MP3;
-Micro SD card;
-2 buttons;
-Folzunk switch;
- Male speaker 4 - 8 ohms;
-Wax;
Step One: Preparation of the Corps
First, the master prepares the box. Puts inside it the details, marks their location. Cuts holes under the buttons and speaker.
Step Two: Slitter Switch and MP3 - Module
The switch drills the hole in the switch. The hole is drill in the wall of the box. Fastens a switch. Sets the lever.
MP3 - the module sticks to a wooden bar.
Step Three: Assembly
Sets the speaker. Covers the top of the wax, and the lower green paint. Sets electronics.
Mounting, connecting the battery, installs an SD card with loaded tracks.
