Building a Drone This Cheap Shouldn’t Be Legal
10K views · Aug 8, 2025 · Science & Technology
Comments · 42
@ОбычныйЧеловек-щ7м · 1 year ago (edited) · pinned
<a href="https://www.youtube.com/watch?v=dDb_YdZocGk&t=99">1:39</a> nope, "Sensor to MCU interface" is 6 axis IMU with accelerometer and gyroscope, maybe 9 axis with magnetometer optionally. "Tilt sensor" is barometer for altitude holding. This board isn't expensive, maybe 0.5$ in mass production. MCU manufacturer is Onmicro, no public datasheet available.<br><a href="https://www.youtube.com/watch?v=dDb_YdZocGk&t=133">2:13</a> no way that SPI, this is 100% UART interface, for SPI you need at least 3 signal wire - MOSI, CS, SCK<br><a href="https://www.youtube.com/watch?v=dDb_YdZocGk&t=258">4:18</a> again - this is not interface ic, this is default SPI FLASH memory<br><br>If you don't sure or don't know, ask chatgpt and read more info instead speak disinformation
12
@cccpredarmy · 1 year ago
I think I know why the antennas were "added". They simply had no other choice to put them on since the manufacturer of the remote control casing had only this form to offer. it would cost them a lot more to build a new casing design.<br>Speaking of which: maybe it's possible to extend the inner antenna rods to the said arms so you get more range?
7
@Justus-b5x · 8 months ago
no bs, very insightful. thank you!
1
@nBillie · 9 months ago
I have a idea I tried it before use wide angle lens to see wider
3
@juanmacias5922 · 1 year ago
The answer was "economies of scale" all along. :D cool video, great breakdown of this $5 drone! I'm upset at how a burger can cost $10... haha
5
@Osanosa · 1 year ago
A bit disappointed you didn't show more of the drone flying and what's it's range
1
@TartisKorunti · 1 year ago
damn. I paid ~30$ in a toy shop in China.
2
@Coder.tahsin · 1 year ago
Nice video , Me and my friend also looking for building a drone at the cheapest price possible.
5
@iLoveFPVdrones · 1 year ago
I think the sleeves are there to optimise the impedance of the specific frequency of the antenna, in this case 2.4ghz WiFi
4
@willemstigter6384 · 1 year ago
I think at <a href="https://www.youtube.com/watch?v=dDb_YdZocGk&t=176">2:56</a> the rotor and stator are reversed
4
@ChrisPrefect · 4 months ago
<a href="https://www.youtube.com/watch?v=dDb_YdZocGk&t=178">2:58</a> you have rotor and stator mixed up.
@the_box13 · 1 year ago
Чел! Ты крут, спасибо за видосик, хорошего вечера!
1
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