🔑 Key Features

✅ Adjustable Delay Time: 0.1s to 9999s (≈2.7 hours). ✅ Wide Voltage Input: 5-30V DC (Compatible with 12V/24V systems). ✅ Micro USB Interface – For easy PC configuration (optional). ✅ High/Low Level Trigger – Configurable via jumper. ✅ Relay Output: 10A @ 250V AC / 30V DC (SPDT – NO/NC/COM). ✅ Multiple Modes:

• Power-On Delay (Relay triggers after set time).

• Power-Off Delay (Relay turns off after set time).

• Cyclic Mode (Repeats ON/OFF cycles). ✅ LED Display & Buttons – For intuitive time setting.

📊 Technical Specifications

• Input Voltage: 5-30V DC (Micro USB also provides 5V power).

• Relay Contact Rating:

  • AC Loads: 250V / 10A

  • DC Loads: 30V / 10A

• Time Adjustment Range: 0.1s – 9999s (≈2.7 hours).

• Trigger Modes: High-level (VCC) or Low-level (GND) selectable.

• Display: 4-digit LED with "s" (seconds) / "m" (minutes) indicator.

• Operating Temperature: -20°C to +70°C.

• Dimensions: ≈48mm × 48mm × 25mm.

🔌 Wiring & Usage

1. Power & Control Connections

• V+ / GND: Connect to 5-30V DC power supply.

• IN (Trigger):

  • High-Level Trigger: Apply V+ to activate.

  • Low-Level Trigger: Short to GND to activate.

• Micro USB: Optional for PC configuration (requires USB-TTL adapter).

2. Load Connections (Relay Output)

• NO (Normally Open): Closes when relay activates.

• COM (Common): Central contact.

• NC (Normally Closed): Opens when relay activates.

⚙️ Setting the Delay Time

1. Press "SET" to enter programming mode.

2. Use "+" / "-" to adjust time (hold for fast scrolling).

3. Press "SET" again to confirm.

4. Trigger the module (via IN pin or power cycle) to start the timer.

🛠 Applications

• Industrial automation (machine start/stop delays).

• Lighting control (staircase lights, garden timers).

• HVAC systems (fan/pump delay shutdown).

• DIY projects (coffee makers, aquariums, security systems).

• Energy-saving switches (auto power-off).

📦 Package Includes

• 1× Timer Delay Relay Module.

• (Optional) Micro USB cable.

⚡ Why Choose This Module?

✔ Precise Timing – Adjustable down to 0.1-second increments. ✔ Wide Voltage Range – Works with 5V, 12V, 24V systems. ✔ USB Configurable – For advanced settings (optional). ✔ Dual Trigger Modes – Fits both active-high & active-low circuits