12V Caved Adjustable Time Delay Relay Module – 32 Modes is a compact, high‑performance timer switch designed for Arduino and other microcontroller projects. Featuring a solid‑state relay, digital LED countdown, and epoxy‑protected circuitry, this module delivers precise timing control from 0.1 seconds up to 10 days across DC 5 V, 12 V, and 24 V power sources. Its user‑friendly interface and 32 selectable modes make it ideal for automating lights, motors, pumps, solenoid valves, and more.

Key Features

• Wide Voltage Compatibility: Operates on DC 5 V, 12 V, and 24 V.


• Digital LED Display: Real‑time countdown visible at a glance.


• Solid‑State Relay: Stable, low‑power switching up to 10 A (30 V DC) or 5 A (250 V AC).


• 32 Timing Modes: Delay ON, Delay OFF, Pulse, Cycle and more, with adjustable times from 0.1 s to 10 days.


• Epoxy Protection: Safeguards the relay from moisture, dust, and vibration.


• Power‑Off Memory: Retains last settings after power loss.

Specifications

• Input Voltage: 5 V, 12 V or 24 V DC (version dependent)


• Output Load Capacity: ≤30 V DC, 10 A | ≤250 V AC, 5 A


• Timing Accuracy: 0.01 s; range 0.1 s – 999 min (adjustable up to 10 days)


• Trigger Signal: High‑level 5 V (for 5 V version)


• Quiescent Current: 20 mA


• Operating Current: 60 mA


• Operating Temperature: –25 °C to 85 °C


• Power‑Off Memory: Yes


• Dimensions (L × W × H): 65 mm × 34.3 mm × 17.5 mm


• Weight: ≈26 g

Typical Applications

• Automatic lighting control and delayed turn‑on/off


• Motor start‑stop sequencing and pulse operation


• Water pump and solenoid valve automation


• LED strip dimming and cycling effects


• Industrial equipment timing and safety interlocks


• DIY Arduino projects and prototype development