Make a 5 K.M Range Walkie Talkie #UHF Band 400 mhz #16 Channels
12:54
3 Magnificent Electronic Projects Made with 433 Mhz Transmitter Module
9:53
How to Make HF Band Walkie-Talkie for Long Distance (Range Test)
28:23
3 Simple Inventions with Electronics - Utsource
11:04
🔥 Incredible life for an old laptop power supply! Few people know about this feature
13:05
Brilliant idea: Convert a 20-year-old VCD Player into a Television Transmitter
14:03
6 Simple Methods for Wireless Energy Transfer
20:40
Mini Giant Marble Clock that tells the time using marbles - Still too big
9:01