iPhone case with patented technology that allows LEDs to glow without batteries New 17 series case with elaborately drawn wiring patterns on circuit boards! ～ The first series: Tokyo Circuit Diagram, Kansai Circuit Diagram, Kanagawa Okinonoura
株式会社電子技販
Denshi Gihan Co. (Location: Suita-shi, Osaka; CEO: Hiroki Kitayama) will sequentially sell "FLASH iPhone 17 Pro Case, 17 Pro Max Case" from the "FLASH Series" of PCB art goods that use PCB design and manufacturing technology, equipment, and design capabilities at moeco's direct sales stores and dealers. The "FLASH iPhone 17 Pro Case and 17 Pro Max Case" will be available at moeco's direct sales shops and retailers from December 9, 2025 (Tue.). In addition to the "Tokyo Circuit Diagram," which depicts a train line diagram of Tokyo with circuit board wiring patterns, "Kansai Circuit Diagram" and "Hokusai Painting Kanagawa-okiinamiura" will be released at the same time. The main feature of the "FLASH Series" is not only the elaborate design of the circuit board, but also the circuit in which LEDs light up when a radio wave is received.
The circuit that makes LEDs glow with radio waves is patented in 2020 (patent number 6667777).
Detailed URL: https://pcbartmoeco.jp/
FLASH Tokyo Circuit Diagram iPhone 17 Pro Max Case Green
Product Features
This is a product seriously made by a PCB professional. Designed with CAD for printed circuit boards and mounted (soldered) with electronic components on a real circuit board. We design the CAD in-house and mount the components on the surface mounting line at our main factory, which is used for our main business. The board CAD that designs the board is not design software, so lines are drawn one by one with the mouse. After mounting electronic components, to protect the mounted components, they are coated one by one by human hands in a clean room (class 1000) until the resin is full of surface tension and vacuum heated. Then, air bubbles and dust on the resin surface are removed from the parts by hand. Designed and manufactured in Japan, all products are RoHS compliant (lead-free products). Gift box packaging makes them suitable for gift-giving. The circuit board is gold plated. The case has a strap hole.
Please check out the YouTube video of the manufacturing process of FLASH Tokyo Circuit Diagram iPhone case.
YouTube "FLASH Tokyo Circuit Diagram iPhone Case Manufacturing Process
Caution
Tokyo Circuit Diagram, Kansai Circuit Diagram, and Kanagawa Okinonoura Design can use MagSafe and wireless power supply.
For iPhone 17 series, we will release two types for 17 Pro and 17 Pro Max.
For 17 Pro and 17 Pro Max, there is not enough board area for the antenna circuit, and to reinforce it, an antenna wire is additionally processed inside the case. Please do not touch the antenna wire and tape.
Also, due to the rising cost of raw materials including gold and silver, as well as labor costs, we have raised the price from the iPhone 17 case.
＜Why does the "FLASH iPhone case" shine? > "FLASH
The LEDs glow by converting the radio waves emitted by the iPhone itself into electricity and boosting the voltage. The LEDs do not glow during normal operation, but glow randomly when the iPhone emits strong radio waves. The glowing mechanism is that the antenna circuit on the back side of the board catches strong radio waves emitted by the iPhone and circulates them to the front side of the board. There is only one LED. The circuit that makes the LED glow with radio waves was patented in 2020 (patent number 6667777).
FLASH Tokyo Circuit Diagram iPhone Case
FLASH Tokyo Circuit Diagram iPhone Case is a battery-free iPhone case with a red LED mounted on Tokyo Station that glows. 2mm red LED is mounted at Tokyo station, 2mm resistors at 7 major stations, 1.6mm resistors at stations with many passengers, and 1mm electronic components at other transfer stations. Electronic components are mounted at a total of 230 stations in the 17 Pro Max case (219 stations in the 17 Pro case). West area covers "Ofuna Station" and East area covers "Funabashi Station". Large ships float in Tokyo Bay. The name of the railroad station is represented by three letters in white silk (e.g., TKY Tokyo).
Product Specifications
FLASH Tokyo Circuit Line Diagram iPhone 17 Pro Case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：153mm×75.5mm×15mm (camera lens portion)
Weight ：46g
Electronic parts used: LED (1 point), resistor (192 points), diode (12 points), capacitor (13 points)
Magsafe & wireless power supply: Available
FLASH Tokyo Circuit Diagram iPhone 17 Pro Max Case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：166mm×81mm×15mm (camera lens portion)
Weight ：52g
Electronic parts used: LED (1 point), resistor (203 points), diode (12 points), capacitor (13 points)
Magsafe & wireless power supply: Available
FLASH Kansai Circuit Diagram iPhone Case
The FLASH Kansai Circuit Diagram iPhone case glows with red LEDs mounted on Osaka Station without batteries. 2mm red LED is mounted at Osaka station, 2mm resistor at major stations, 1.6mm resistor at stations with many passengers, 1.6mm capacitor at Esaka station where PCB ART moeco's factory is located, and 1mm electronic components at other transfer stations. Electronic components are mounted at a total of 213 stations for both 17 Pro case and 17 Pro Max case. They cover Kobe Station in the west, Kansai Airport Station in the south, Kyoto Station in the north, and Nara Station in the east. A large ship floats in Osaka Bay. The names of the railroad stations are represented by three characters in white silk (e.g. OSK Osaka).
■Product Specifications
FLASH Kansai Circuit Line Diagram iPhone 17 Pro Case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：153mm×75.5mm×15mm (camera lens part)
Weight ：46g
Electronic parts used: LED (1 point), resistor (186 points), diode (12 points), capacitor (13 points)
Magsafe & wireless power supply: Available
FLASH Kansai circuit diagram iPhone 17 Pro Max case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：166mm×81mm×15mm (camera lens part)
Weight ：52g
Electronic parts used: LED (1 point), resistor (186 points), diode (12 points), capacitor (13 points)
Magsafe & wireless power supply: Available
FLASH Kanagawa Okinamiura Circuit Board Art iPhone Case
FLASH Kanagawa Okinamiura Circuit Board Art iPhone Case is a battery-free iPhone case with a red LED mounted on the underside of the title "Fugaku Sanjurokkei Kanagawa Okinamiura" (36 Views of Mt. Fugaku).
Only three colors are used: gold (gold plating), black (substrate ink), and white (substrate ink). Shading of clouds and waves are expressed by the wiring pattern (gold plating) and the thickness of the ink line width.
Product Specifications
FLASH Kanagawa Okinamiura - Substrate Art - iPhone 17 Pro Case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：153mm×75.5mm×15mm (camera lens portion)
Weight ：46g
Electronic parts used: LED (1 point), resistor (1 point), diode (12 points), capacitor (12 points)
Magsafe & wireless power supply: Available
FLASH Kanagawa Okinamiura - Substrate Art - iPhone 17 Pro Max Case
Price ： 17,600 yen (tax included)
Color ：green, black, white
Size ：166mm×81mm×15mm (camera lens part)
Weight ：52g
Electronic parts used: LED (1 point), resistor (1 point), diode (12 points), capacitor (12 points)
Magsafe & wireless power supply: Available
Denshi Gihan direct sales EC site
Direct sales store ： https://www.moeco.jp.net/
Amazon.co.jp ： https://www.amazon.co.jp/moeco
PCB ART moeco Nationwide physical store list
https://pcbartmoeco.jp/shop_list_jp/
About Denshi Gihan Co.
Ltd. will celebrate its 50th anniversary in 2026. The company's main business is PCB design and manufacturing, producing reliable PCBs for social infrastructure facilities and industrial machinery such as airports, railroads, buses, and hospitals. Factory tours and workshops have been held since July 2024.
＜Awards received
2015 Ministry of Economy, Trade and Industry The Wonder 500 certification
2015 Osaka Gift Show Autumn New Product Contest Grand Prize
2017 Osaka Prefecture "Osaka Made Brand" Excellent Excellent Product
2019 Tokyo Gift Show Autumn New Product Contest Grand Prize
Company Profile
Name: Denshi Gihan Co.
Representative Director: Hiroki Kitayama
Establishment : 1976
Head office and factory: 62-8 Toyotsu-cho, Suita-shi, Osaka
Business description: Design and manufacture of printed circuit boards, sales of electronic components, PCB sundries business
URL : http://www.denshi-gihan.co.jp/
PCB ART moeco Movie (Japanese & ENGLISH)
https://www.youtube.com/watch?v=OXEHW9eEW1Y
Production process movie (Japanese)
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