Quantity   Component name
1 × Raspberry Pi 3 Model B
1 × RS232 to TTL converter board https://www.amazon.com/RS232-converter-board-Female-3-3V/dp/B005D5T292
1 × MonoPrice 4x2 HDMI Switcher/Splitter https://www.amazon.com/Monoprice-True-Matrix-Switch-Remote/dp/B003L17134
8 × F/F Jumper Wires
1 × Android Device