Gravity: MOSFET Power Controller
MOSFET-based power switch for driving high-current loads from 3.3–10V logic GPIO pins. Gravity connector for plug-and-play integration with DFRobot boards.
Pinout
- VINBoard overview row 1; screw/power terminal input
High-current DC power input terminal for the load supply.
Type · PowerVoltage · 5V-36V DC input, up to 20A per DFRobot wiki - GNDBoard overview row 2; screw/power terminal ground
Power/load ground terminal. Source page lists board overview row 2 as GND.
Type · Ground - VOUTBoard overview row 3; screw/power terminal output
MOSFET-switched power output terminal for the controlled DC load.
Type · PowerVoltage · Switched output from VIN path; DC loads only - SignalP1 pin 1 on DFRobot schematic, labelled Single/Signal
Gravity PH2.0-3P control input; HIGH turns the MOSFET on, LOW turns it off.
Type · GPIOVoltage · 3.3V-10V logic control signal per DFRobot wiki - VCCP1 pin 2 on DFRobot schematic
Logic/control-side supply on the Gravity PH2.0-3P connector.
Type · PowerVoltage · 3.3V-10V logic supply per DFRobot wiki - GNDP1 pin 3 on DFRobot schematic
Logic/control-side ground on the Gravity PH2.0-3P connector.
Type · Ground
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | Board overview row 1; screw/power terminal input | Power | High-current DC power input terminal for the load supply. | 5V-36V DC input, up to 20A per DFRobot wiki |
| GND | Board overview row 2; screw/power terminal ground | Ground | Power/load ground terminal. Source page lists board overview row 2 as GND. | |
| VOUT | Board overview row 3; screw/power terminal output | Power | MOSFET-switched power output terminal for the controlled DC load. | Switched output from VIN path; DC loads only |
| Signal | P1 pin 1 on DFRobot schematic, labelled Single/Signal | GPIO | Gravity PH2.0-3P control input; HIGH turns the MOSFET on, LOW turns it off. | 3.3V-10V logic control signal per DFRobot wiki |
| VCC | P1 pin 2 on DFRobot schematic | Power | Logic/control-side supply on the Gravity PH2.0-3P connector. | 3.3V-10V logic supply per DFRobot wiki |
| GND | P1 pin 3 on DFRobot schematic | Ground | Logic/control-side ground on the Gravity PH2.0-3P connector. |
Pin details
6 connections- VINBoard overview row 1; screw/power terminal input
High-current DC power input terminal for the load supply.
PowerVoltage · 5V-36V DC input, up to 20A per DFRobot wiki - GNDBoard overview row 2; screw/power terminal ground
Power/load ground terminal. Source page lists board overview row 2 as GND.
Ground - VOUTBoard overview row 3; screw/power terminal output
MOSFET-switched power output terminal for the controlled DC load.
PowerVoltage · Switched output from VIN path; DC loads only - SignalP1 pin 1 on DFRobot schematic, labelled Single/Signal
Gravity PH2.0-3P control input; HIGH turns the MOSFET on, LOW turns it off.
GPIOVoltage · 3.3V-10V logic control signal per DFRobot wiki - VCCP1 pin 2 on DFRobot schematic
Logic/control-side supply on the Gravity PH2.0-3P connector.
PowerVoltage · 3.3V-10V logic supply per DFRobot wiki - GNDP1 pin 3 on DFRobot schematic
Logic/control-side ground on the Gravity PH2.0-3P connector.
Ground
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