Arduino Based Cartridge Game Console - Tiny Game Corner
All of the connections are noted in the provided schematic diagram.
Since you will not have the chip itself soldered to the board, but pin headers, pretend that pin headers are the chip legs, imagine where would each leg go.
Pin 1 should be the one on bottom left when looking at the back side of the PCB.
Chip orientation is also defined by notch both on back part of the case and notch on the cartridge, so it cannot go wrong way around by mistake.For all following soldering/assembly steps you can refer to the video or this section screenshots: clip adjacent button pins so each button has 2 pins remaining, this is important because we will place buttons in a way that all 4 pins cant go through the board holes start with buttons' placement and soldering in place as shownsolder 16MHz crystal oscillator on the back of the board so it is aligned with pins 9 and 10, solder to these pinsconnect one leg of each 22pF ceramic capacitor together and solder these to ground (GND) pin 8 solder other 2 legs of each 22pF ceramic capacitor on the front side of the board one to pin 9 another to pin 10 solder and wire up all button ground pins together to common GND as shown solder wires between buttons' second pin and corresponding chip pin as shown UP button to pin 13 (D7)DOWN button to pin 12 (D6)LEFT button to pin 15 (D9)RIGHT button to pin 14 (D8)A button to pin 11 (D5)B button to pin 6 (D4)START button to pin 4 (D2)solder the switch solder the 6 pin female header (2x 3 pin header) one pin header on one side, other on other side, this will be used to expose ICSP header for MOSI, MISO, SCK, GND, VCC and RST pins place LiPo charging module as shown so it is in the right place when everything is put in the case solder LED on top of the board between power switch and ICSP header anode to pin 16 (D10)solder wires to connect power switch, ICSP header and LED as shown solder piezo puzzer: one wire to GND, another to pin 5 (D3)place the OLED screen and solder remaining 4 wires, SCL, SDA, GND, VCC solder 2 separated male pin headers to the board as shown, these will be used as holders for LiPo charging module solder charging module OUT+ and OUT- to the pins from previous step, make sure module aligns correctly with the case connect OUT+ to switch, OUT- to GNDsolder battery wires to B+ and B- of the LiPo charging module put everything in case insert chip soldered to female pin headers in the cartridge part insert the cartridge and program it remove programmer turn on the power switch :)
Cartridge is made of the chip and female headers, as shown in the video in the opening step. When you 3D print the enclosure, you can pop the cartridge into 3D printed part designed for it.
Please refer to the video for detailed assembly instructions.Most important part is to leave OLED screen for the end, because most of the wiring goes under the screen.