Elecrow
1 Channel RF Remote Control Module DC 5V
A single-channel latching relay module with a 433 MHz RF wireless remote control, powered by DC 5 V. The relay can be toggled via the included two-button wir...
A single-channel latching relay module with a 433 MHz RF wireless remote control, powered by DC 5 V. The relay can be toggled via the included two-button wireless controller at distances up to 30 metres, and can also be controlled directly by a microcontroller via the standard interface.
The module features a passive relay output with self-locking mode, dual LED indicators (power and relay status), and can switch loads up to 10 A at 250 VAC or 10 A at 30 VDC.
Key Features
- Channels – 1
- Operating Voltage – DC 5–5.5 V
- Working Current – ~70 mA (quiescent ~6 mA)
- Max Load – 10 A at 250 VAC or 10 A at 30 VDC
- RF Frequency – 433 MHz wireless receiving
- Remote Control Range – 15–30 metres
- Work Mode – Self-locking (latching)
- LEDs – Power (LED1) and relay status (LED2)
- Module Dimensions – 48 × 35 × 20 mm
Ideal For
- Wireless control of lights, fans, motors, and other devices
- Microcontroller-based automation projects
- Situations requiring wireless relay switching with DC power
Package Contents
- 1× Single-channel RF relay receiver module (DC 5 V)
- 1× Two-button 433 MHz wireless remote control
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- RF
- RF means radio frequency, referring to signals used for wireless communication and other high-frequency electronics. A low-noise, stable power supply is important for RF circuits because power noise can affect signal quality and measurements.
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