5V Mini Submersible Water Pump

Small 5V DC submersible water pump. GPIO or relay controlled. Used for irrigation, fountains and liquid dispensing.

Actuator PUMP-5V-MINI pump gpio Draft

This entry is draft and has not been confirmed against physical hardware. A conforming tool will refuse to provision it. The datasheet is the authority, not this page.

Specifications

Protocol gpio
Model number PUMP-5V-MINI
Actuator type pump
Command topic suffix command/pump
Response topic suffix response/pump

Commands

CommandArgumentRangeDescription
ON none - Start the pump
OFF none - Stop the pump
PULSE duration 1 to 30 s Run pump for a specified duration in milliseconds then stop automatically

Wiring

PinRequiredNotes
control Yes Drives a MOSFET or relay.

Supply: 5V load, 3.3V logic

Failure modes

  • An inductive load generates a reverse voltage spike when de-energised. A flyback diode across the load is mandatory or the switching device fails, often shorted and permanently on.
  • Coil current exceeds any GPIO pin. A driver transistor or relay is required between the pin and the load.
  • Holding a solenoid energised heats the coil continuously. Sustained duty needs either a rated continuous-duty part or an enforced maximum on time.
  • Running dry destroys the impeller seal within minutes. A pump command needs an enforced maximum on time independent of whatever asked for it.

Entry

Keypump-5v-mini
StatusDraft
Revision1
Registry0.3.0
Entry on GitHub JSON for agents

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