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I made my own Foxhole Radio, the most primitive radio receiver. You can hear AM radio sound even without power.
Foxhole Radio wiki ↓
en.wikipedia.o...
Twitter: / ichiken_make
★ Equipment used (including amazon associate link)
Crystal earphone amzn.to/3ftxsue
Timber
Copper wire (enamel wire) 0.5mm, about 20m Obtained at home centers
Obtained at home centers, etc., about 20 cm of solid copper wire
pencil
Cutter blade
Wood screw
★ Playlist
Raspberry Pi • ラズベリーパイ
Electronic work • DIY/電子工作
Electrical explanation • 電気の解説
★ Business inquiries: inquiry@ichiken-engineering.com
★ Click here for channel registration / @ichiken1
music: Kevin MacLeod, The Big Beat 80's.