Magic 8 of Hearts

From LVL1
Jump to navigation Jump to search

Components

This project consists of the following parts.

M8H Guts.jpg

M8H Shell.jpg

Components
Arduino Nano PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+
White LEDs Inductive Charging Set - 5V @ 500mA max
1.44" 128*128 TFT LCD SPI 3.7v 650mah Li-po Battery
MMA7361LC 3-Axis Accelerometer ±1.5/6g FQP30N06L MOSFET
Perf Board Split Heart
Not Shown
49 ohms resister (LED) 150 ohms resister (LCD Backlight)
Reed Switch 12k ohms resister (MOSFET Limiter)

Prepare The Heart

Make a hole in the heart.

M8H Heart Hole.jpg

Make a insertable Perf Board

M8H Heart Board Empty.jpg

Layout the Board

After several tries, the components are placed on the board.

M8H Board Layout Final.jpg

Prepare the Screen

Classical wirewrap will connect the screen to the controller.

M8H LCD Wire Wrap.jpg

The screen is then glued into the front shell.

M8H LCD Shell.jpg

Solder up all the parts.

M8H Board Wired.jpg

Power Plant

Place inductive charger receiver in back half of heart shell and glue in place.

Yes, I forgot to take a photo!

Place a rubber flap over unit to prevent shorts.

M8H Inductive Cover.jpg

Arrange remaining power supply components.

M8H Heart Power Supply.jpg

Prepare another flap to insulate the power supply from the rest of the project.

M8H Power Isolation.jpg

Merge the Halves

M8H Board Halves.jpg

M8H Board Merged.jpg