Compare StarF3S and F4 Premium
| |
StarF3S | F4 Premium |
| Basic Information | ||
|---|---|---|
| Brand | Racerstar | T-Motor |
| Form Factor | 30,5 x 30,5 mm | 30,5 x 30,5 mm |
| Application | Multi-rotor Aircraft | Multi-rotor Aircraft |
| Width | 36.0 mm | 37.0 mm |
| Height | 8.0 mm | 7.0 mm |
| Depth | 40.0 mm | 37.0 mm |
| Weight | 22.0 g | 7.0 g |
| Protective case is included | No | No |
| Retail Price | US$ 55.00 | US$ 40.00 |
| Release date | Dec 2017 | Jun 2019 |
| Integrated Circuits | ||
| CPU Family | F3 | F4 |
| CPU Model | STM32F303 | STM32F405 |
| Main MPU | MPU6000 | ICM20602 |
| Auxiliar MPU | No | No |
| Barometer | No | No |
| Compass | No | No |
| Inputs and Outputs | ||
| PWM Outputs | 0 | 6 |
| Number of UARTs (total) | 2 | 6 |
| Inverted UARTs | 2 | 2 |
| SoftSerial Inputs | 0 | 0 |
| I2C input | No | Yes |
| Buzzer output | Yes | Yes |
| LED Strip Output | Yes | Yes |
| Current Sensor Analog Input | Yes | |
| RSSI Analog Input | No | Yes |
| VBAT Input | Yes - Up to 6S (25V) | Yes - Up to 8S (37V) |
| Shared UART with USB | No | No |
| Racing Transponder Led Output | No | No |
| VTX Power Switch | No | |
| Camera Switch | No | |
| Features | ||
| Has 5V voltage regulator | Yes - 2A | Yes - 2A |
| Dedicated VTX UBEC | No | |
| Soft mounted gyro | No | No |
| Dedicated UBEC for servos | No | |
| Soft mounted corners | No | Yes |
| Has OSD | Yes - MAX7456E | Yes - MAX7456E |
| Onboard current sensor | Yes - Up to 120A | No |
| Has SD Card Slot | No | No |
| Internal Memory for Blackbox | 0MB | 16MB |
| Has PDB | No | No |
| Has VTX | No | No |
| Has 4 in 1 ESCs | Yes - 4x30A BLHeli_S BB2 | No |
| Integrated Radio Receiver | No | |
| Resources | ||
| BetaFlight Target | OMNIBUS | TMOTORF4 |
| InavFlight Target | OMNIBUS | |
| Link | Buy from Banggood | Buy on Banggood |
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