Simple Load Switching for Arduino, ESP32, and Automation Builds
The Relay Adjustable Timer Micro USB Power Module is a practical relay module from Circuitrocks for students, makers, and repair-friendly builds. It fits well in projects that need switching external loads, while keeping setup straightforward for testing and prototype work.
Compared with generic parts, this product stands out through details such as USB connection, Compact size, USB. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.
Why you'll love it
- USB connection: useful for direct testing, setup, or power in supported builds
- Compact size: easier to fit into small enclosures, lightweight robots, and tight layouts
- USB connection: useful for direct testing, setup, or power in supported builds
- Simple load switching: adds useful value when choosing parts for a build
- Controller-friendly trigger input: adds useful value when choosing parts for a build
What you can build
This product is a good fit for home automation, pumps, lights, fans, and controller-triggered switching tasks. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.
Starter bundles
Most users pair this with Arduino, ESP32, or Raspberry Pi, along with jumper wires and a proper power source for the target load or sensor.
Recommended add-ons
Useful add-ons include terminal blocks, controller boards, and safe power wiring for your switched load. You can also compare it with Relay 12V Timer Delay NE555 Module, Controllable Four Outlet Power Relay Module.
Comparison table
| Compared Product | Best For | Key Difference | Direct Link |
|---|---|---|---|
| Relay 12V Timer Delay NE555 Module | switching external loads | 12V | View product |
| Controllable Four Outlet Power Relay Module | switching external loads | ble | View product |
| DFRobot Relay Module V3.1 - Arduino-Compatible 5V Relay | switching external loads | 5V, ble | View product |
Technical specifications
| Product | Relay Adjustable Timer Micro USB Power Module |
|---|---|
| Brand | Circuitrocks |
| Product Type | Relay Module |
| Category | Circuit Decoders & Encoders |
| Primary SKU | AB357 |
| Key Specs | USB |
| Product URL | https://circuit.rocks/products/relay-adjustable-timer-micro-usb-power-module |
Pinout & power notes
The low-voltage control side connects to your controller, while the load side uses COM, NO, and NC terminals. Keep the switched load wiring separate from the signal side.
What’s in the box
1 × Relay Adjustable Timer Micro USB Power Module
Frequently Asked Questions
Relay Adjustable Timer Module - MicroUSB Power
Relay Adjustable Timer Module - MicroUSB Power
84 in stock
Product Code
SKU:AB357
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