The Game Guy Mini, Upgrading the Unportable Game Boy! -- Episode 577

element14 Community member Joe Ostrander saw the "Unportable Game Boy" that Andy made in a previous video, and decided to make a new and improved version. In this episode, Andy builds a console from Joe's upgraded design and demonstrates its features, including several enhancements that were requested by viewers.

Watch the Video:

Supplemental Content:

Bill of Material:

Product Name	Manufacturer	Quantity	Buy Kit
SMD Level Shifter SN74LVC245ANSR	TEXAS INSTRUMENTS	1	Buy Now
Crystal, 4.194304 MHz, SMD, 11.5mm x 4.7mm, 30 ppm, 18 pF, 30 ppm, ABLS Series	ABRACON	1	Buy Now
CAP, 27PF, 50V, MLCC, 0201	MURATA	2	Buy Now
Surface Mount Tantalum Capacitor, 1 µF, 50 V, 1411 [3528 Metric], ± 10%, 6 ohm, B	KEMET	2	Buy Now
Raspberry Pi Pico, Microcontroller Board, RP2040, 32 bit, 2MB Flash, ARM Cortex-M0+	RASPBERRY-PI	1	Buy Now
RES, 10K, 0.5%, 0.1W, 0603, THIN FILM ROHS COMPLIANT: YES	YAGEO	2	Buy Now
RES, 1K, 0.1%, 0.1W, 0603, THIN FILM ROHS COMPLIANT: YES	YAGEO	3	Buy Now
RES, 500R, 0.1%, 0.1W, THIN FILM, 0603 ROHS COMPLIANT: YES	YAGEO	3	Buy Now
Surface Mount Chip Resistor, Thick Film, RC Series, 47 ohm, 100 mW, 1%, 50 V, 0603 [1608 Metric] RoHS Compliant: Yes	YAGEO	2	Buy Now
Surface Mount Thick Film Resistor, RC Series, 180 kohm, 100 mW, - 1%, 50 V, 0603 [1608 Metric] RoHS Compliant: Yes	YAGEO	1	Buy Now
SMD Chip Resistor, 510 ohm, ± 5%, 100 mW, 0603 [1608 Metric], Thick Film, General Purpose	VISHAY	2	Buy Now
SMD Chip Resistor, 1 Mohm, ± 1%, 100 mW, 0603 [1608 Metric], Thick Film, Precision	PANASONIC	1	Buy Now

Additional Parts:

1 x Super Gameboy Famicom cartridge

1 x NESPi case

1 x Gana VGA TO HDMI

7-pin NES socket1 x

1 x 32-pin SMD GB cartridge slot

1 each x Custom Main Board, Power Dist, and NES Socket PCBs (Designs Available on Github)

1 x 4-Pin SMD 3x4x2.5mm Tactile Push Button (optional)

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kgal104 over 2 years ago

Would a version compatible with the Gameboy pocket CPU be possible? Looking through the schematic available here: github.com/.../MGB-xCPU.pdf the only major differences seem to be internal vram and some pin shuffling, should be fully compatible otherwise
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kgal104 over 2 years ago

Would a version compatible with the Gameboy pocket CPU be possible? Looking through the schematic available here: github.com/.../MGB-xCPU.pdf the only major differences seem to be internal vram and some pin shuffling, should be fully compatible otherwise
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markeno over 2 years ago in reply to kgal104

I think you are right. Gameboy Pockets are more expensive though, unless you have one or more laying around not working for some other reason than a deflective CPU or Work Ram.
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