PCB ART moeco FLASH Tokyo Circuit Diagram iPhone 12 / 12 Pro Case This is a used item, but I think it's in a clean condition with no scratches. It's designed with the Tokyo railway map in mind, and uses actual electronic components: LED (1), resistors (233), diodes (12), and capacitors (13). The LED seems to light up by converting the iPhone's radio waves into electricity. There are no photos of the LED lighting up randomly in the center, but it was lighting up. There is no outer box, so it will be wrapped in bubble wrap for shipping. The following is an excerpt from the official website. The FLASH Tokyo Circuit Diagram iPhone 12 / 12 Pro case lights up the LED implemented at Tokyo Station without a battery. The LED lights up by converting the radio waves emitted by the iPhone itself into electricity and boosting the voltage. It does not light up normally, but it lights up when strong radio waves are emitted. It lights up randomly because it is powered by the iPhone's radio waves. It is more likely to light up when using information-rich Google Maps or apps, or when the iPhone is searching for location information in elevators or underground malls. The mechanism of lighting up is that the antenna circuit on the back of the board catches the weak radio waves emitted by the iPhone and goes to the front of the board. An amplification circuit is assembled on the surface, increasing the voltage and current to light up the LED implemented at Tokyo Station. The circuit that lights up the LED without a battery obtained a patent in 2020 (Patent No. 6667777). A 2mm red LED is implemented at Tokyo Station, 2mm resistors at 7 major stations, 1.6mm resistors at 30 stations with many passengers, and 1mm electronic components at 221 other transfer stations. A total of 259 stations have electronic components implemented. The west area covers "Ofuna Station" and the east area covers "Narita Airport Station." Large ships are floating in Tokyo Bay. The names of the railway stations are expressed in three white silk characters (e.g., TKY Tokyo). The board is gold-plated. After the electronic components are implemented, it is sealed with ultra-clear resin in a clean room (Class 1000). #PCB ART moeco #Tokyo Circuit Diagram #RailwayMap #i-phone case #FLASH Tokyo Circuit Diagram #iPhone12