Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mm

Image: Pyrodrone

Components · Flight Controllers

Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mm

MFR HAPPYMODELMODEL K3-12641

Happymodel CruxF405 HD AIO Flight Controller 3-4S 20A ESC-UART ELRS 2.4GHz- 20x20mm — flight controllers by HappyModel.

Vendor-supplied listing. This part is made by HAPPYMODEL and listed from Pyrodrone. Full specifications and current availability are held by the manufacturer; this listing carries the part, its price and its category.

No second supplier matched for this listing — Pyrodrone is the only route we can offer today. 6 of our suppliers carry HAPPYMODEL, though, so it may be listed elsewhere under a different product name: GetFPV, NewBeeDrone, RaceDayQuads, ReadyMadeRC, Rotor Riot.

Pyrodrone: ships within 2 business days. Its shipping policy says: “Orders placed Monday through Friday by 5:00 PM PST are typically processed and shipped the same day.” Policy, read 8 Oct 2026. That is the supplier’s dispatch time, not a delivery date; carrier transit is extra.

Unit price
$73.99
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Priced from live catalog
Seller of record listed
Specifications· 2 fields
Processor
STM32F405RGT6 (168MHZ, 1Mbyte FLASH)
Operating voltage
3~4S battery input (DC 8.7V-17.4V)