the receiver pads are positioned on the top right of the flight controller.Take care that the motor order is correct and use the 5V or vbat lead from the 4in1 if you choose to power your flight controller through the 4in1 cable. connecting the ESCs – when using 4in1 you just need to connect it to the 4in1 ESC port on the Helio RC Spring board.You will have to solder the appropriate bridge connection based on your decision. (photo of the bridged connections, both on top and the ones near the 4in1 connector). In addition, you have an option to use the power lead from your 4in1 ESC or power it directly on the corresponding pads. powering the Helio RC Spring flight controller – depending on your setup you should decide whether you want to power it trough vbat or 5V.The wiring procedure is relatively straightforward and we can divide it into the following steps:
Noise issues appear because one inductor on the FC is too close to the ESC. It is worth doing some compatibility research before starting a build based on this flight controller. In some cases when using 4in1 ESCs you may be required to flip the board on the other side or add copper or aluminum tape on the FETs, so you can shield it from ESC electromagnetic interference that may lock up the flight controller mid-flight. To make things easier for you, the front of the board is the opposite side from the one with the 4in1 ESC port. You can refer to the connection diagram for the proper flight controller placement. There is no visual clue about the flight controller orientation.
VBAT up to 6s with voltage regulator 2.5A continuous 3.2A burst.
Voltage sensing up to 26V, current and RSSI inputs (3.3V max). UART1 and UART2 have inverters for S.Bus and SmartPort telemetry.ĭedicated port for 5V (100mA max) buzzers. Built-in inverter for FrSKY telemetry.ĥ full serial ports (UARTs). PPM, S.Bus (inverter built-in), DSM, HoTT, SRXL, CSRF, FPort ready. 5V or 3.3V supply for receiver.įrSKY Smart Port, FrSKY Sensor Hub, HoTT Telemetry, SRXL, CSRF, FPort ready. Also, there are separate bridges available after the 4in1 connector that enable you to select the proper 4in1 voltage output and current sensor, for powering the board through the 4in1 ESC. The bridges on the board are a very neat feature that enables you to choose how you want to power the board. There are several bridged connections on the Helio RC Spring flight controller. The Helio RC team has taken care to mark everything properly on the new Helio RC Spring AIO board intended for pilots that prefer four separate ESCs. For the ones that are not marked, you will have to look at the connection diagram. There are visible markings on almost all pads.
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