1. Introducció
The Flipsky FSESC 4.12 50A is an Electronic Speed Controller (ESC) designed for various DIY electric projects, including electric skateboards and E-robots. It is based on the VESC Open Source Project and is compatible with VESC Software, offering advanced control capabilities for brushless motors. This ESC provides smooth start-up from a standstill for sensorless motors and features strong, reliable, and progressive electric braking.

Figure 1: Flipsky FSESC 4.12 50A Electronic Speed Controller with Aluminum Case.
2. Informació de seguretat
- Always disconnect power before making any connections or adjustments to the ESC.
- Assegureu-vos que totes les connexions del cablejat estiguin ben fixades i degudament aïllades per evitar curtcircuits.
- Operate the ESC within its specified voltage and current limits to avoid damage.
- Keep the ESC away from water, moisture, and extreme temperatures.
- Aquest producte està recomanat per a usuaris a partir de 14 anys.
- Voltage spikes must not exceed 60V.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- 1x FSESC 4.12 with Aluminum Case
- 1x Mini USB Cable (for programming)
- 1x VESC Sensor Wire (for motors with 1.5mm sensor connectors)
- 1x Manual d'usuari (aquest document)
- Mounting Screws for the Aluminum Case

Figure 2: FSESC 4.12 with included accessories (Mini USB cable and VESC Sensor Wire).
4. Especificacions
| Característica | Especificació |
|---|---|
| Versió de maquinari | V4.12 |
| Versió del firmware | V3.38 |
| Corrent continu | 50A |
| Instantaneous Peak Current | 240A |
| Voltage Rang | 8V-60V (3-13S LiPo, safe for 3S to 12S LiPo) |
| Bateria recomanada | 10S LiPo |
| Sortida BEC | 5 V @ 1.5 A |
| Tipus BEC | Internal driver support |
| Temporització | Calibració del programari |
| Volum de talltage | Programable |
| Freqüència | Entrada PWM |
| Funció inversa | Sí |
| Suport del motor | Sensor & Sensorless Brushless Motor |
| Dimensions (LxWxH) | 120x56x20 mm |
| Pes | 80 g |
| Calibre del cable del motor | 12 AWG |
| Calibre del cable d'alimentació | 12 AWG |
| Disseny de PCB | 4-layer gold-thickening process (12oz total copper foil) |
| Condensadors | 3x 680uF 63V (soldered directly on PCB) |
| MOSFET | Authentic imported Mosfets with laser model numbers |

Figure 3: PCB layout details, highlighting the gold-thickening process and 4-layer design for enhanced durability and performance.

Figure 4: Close-up of the 680uF 63V capacitors, soldered directly onto the PCB for stability.

Figure 5: Illustration of authentic imported MOSFETs used in the Flipsky ESC, identifiable by markings.
5. Configuració i instal·lació
The FSESC 4.12 is designed for DIY applications. Proper installation and configuration are crucial for optimal performance and safety.
5.1 Assembling the Aluminum Case
The ESC comes with an aluminum case for protection and heat dissipation. Carefully place the ESC board into the bottom part of the case, ensuring all ports align. Then, secure the top cover using the provided screws.

Figura 6: Explotat view of the aluminum case and mounting screws.

Figure 7: Assembled FSESC 4.12 with the protective aluminum case.
5.2 Connexions de cablejat
Refer to the wiring diagram below for connecting the ESC to your motor, battery, receiver, and optional Hall sensors. Ensure correct polarity for all connections.

Figure 8: Comprehensive wiring diagram for the FSESC 4.12, illustrating connections for battery, motor, receiver, and Hall sensors. Note the USB, CAN, SWD, and COMM ports.
- Connexió del motor: Connect the three motor phase wires to the corresponding outputs on the ESC.
- Connexió de la bateria: Connect your LiPo battery (3-13S, recommended 10S) to the power input terminals, observing correct polarity (red to positive, black to negative).
- Connexió del receptor: Connect your RC receiver to the designated port on the ESC.
- Hall Sensors (Optional): If your motor has Hall sensors, connect the VESC Sensor Wire to the motor's sensor connector (1.5mm) and then to the ESC's sensor port.
- Bluetooth Module (Optional): For wireless configuration, a Bluetooth module can be connected as shown in Figure 9.
- Acceleration Handle (Optional): An acceleration handle can be connected for control, as shown in Figure 9.

Figure 9: Wiring diagram for optional Bluetooth module and acceleration handle connections.
5.3 Configuració del programari
The FSESC 4.12 is compatible with the VESC BLDC Tool software.
- Connect the ESC to your computer using the provided Mini USB cable.
- Download and install the VESC BLDC Tool software (available from official VESC resources).
- Launch the software and follow the on-screen instructions to detect and configure your ESC.
- Configure parameters such as motor type (sensor/sensorless), battery voltage, current limits, and braking characteristics to match your specific setup for optimum performance.

Figure 10: The Mini USB cable is used for programming, and the VESC sensor cable is for motors with 1.5mm sensor connectors.
6. Instruccions de funcionament
Once properly installed and configured, the Flipsky FSESC 4.12 provides precise control over your brushless motor.
- Encès: Connect your fully charged battery to the ESC. The ESC should initialize.
- Control: Use your remote control (connected via receiver) or acceleration handle to control the motor speed.
- Smooth Start-up: The ESC is designed to provide a smooth start-up even with sensorless motors, preventing jerky movements from a standstill.
- Frenada elèctrica: Utilize the progressive electric braking feature for controlled deceleration.
- Seguiment: If using a compatible telemetry system or VESC tool, monitor ESC parameters during operation to ensure safe and efficient performance.
7. Manteniment
Regular maintenance helps ensure the longevity and reliable operation of your FSESC 4.12.
- Inspecció: Periodically inspect all wiring and connectors for signs of wear, damage, or loose connections.
- Neteja: Keep the ESC and its aluminum case clean and free from dust, dirt, and debris. Use a soft, dry brush or compressed air. Avoid using liquids.
- Protecció del medi ambient: Ensure the ESC is protected from moisture, extreme temperatures, and direct sunlight during storage and operation.
- Actualitzacions de firmware: Check for official firmware updates periodically using the VESC BLDC Tool to benefit from performance improvements and bug fixes.
8. Solució De Problemes
If you encounter issues with your FSESC 4.12, consider the following troubleshooting steps:
- Sense energia:
- Comproveu les connexions de la bateria i assegureu-vos que la bateria estigui carregada.
- Verify that the power switch (if any) is in the ON position.
- El motor no respon:
- Ensure all motor phase wires are securely connected.
- Check receiver connection and remote control battery.
- Verify ESC configuration in VESC BLDC Tool, especially motor detection and input settings.
- Erratic Motor Behavior:
- Re-run motor detection in VESC BLDC Tool.
- Check sensor wire connections if using a sensored motor.
- Inspect for any loose wires or damaged components.
- Sobreescalfament:
- Assegureu-vos que hi hagi un flux d'aire adequat al voltant de l'ESC.
- Verify that the ESC is not overloaded (e.g., motor current too high for application).
- Check for short circuits in the motor or wiring.
- Connection Issues with VESC BLDC Tool:
- Ensure the Mini USB cable is properly connected to both the ESC and your computer.
- Prova amb un port o cable USB diferent.
- Verify that the correct drivers are installed for the ESC.
9. Consells d'usuari
No hi havia consells específics per a l'usuari disponibles a partir dels recursos proporcionats.views or Q&A. For best results, always ensure your VESC software is up-to-date and properly configured for your specific motor and battery setup.
10. Garantia i Suport
Per obtenir informació sobre la garantia, assistència tècnica o consultes de servei, poseu-vos en contacte amb el fabricant o amb el punt de venda. Conserveu el rebut de compra com a comprovant de compra.





