We loved the NES modded with a built-in screen, but it looks like former computer science Ph.D. and current software engineer Dave Nunez has done it one better. He's created a portable NES, which he calls the NESPo, almost entirely from the ground up.
Rather than cannibalize an existing NES ("Call it honor among the elderly," Nunez said), he started with an NES hardware clone known as a NES on a chip (NOAC) called the NES Retro Entertainment System (RES). This would form the guts of the machine.
For NESPo's screen, he used a 4.3-inch color TFT camera screen that plugged into the RES, and to power it, he picked up a 1500mAh NiMH rechargeable battery that gives the device around two hours of gameplay. For a speaker, he used a LM386-based amp module. Once that was all put together and tested, the next step was creating the case. … Read more