1 Channel 3V Relay Module High and Low Level Trigger with Opto Isolation
Brand: GENERIC
Features
- Single-channel relay module for load switching
- Operates directly from 3V–3.3V DC supply
- Supports both High-Level and Low-Level trigger modes
- Built-in optocoupler isolation for enhanced protection
- Electrical isolation between control and load circuits
- Low trigger current requirement
- LED power and relay status indication
- Compact PCB design for easy integration
- Screw terminal output connections
- Suitable for ESP8266, ESP32, Raspberry Pi Pico, STM32, and Arduino projects
- Reliable switching performance with low power consumption
- Easy installation using onboard mounting holes
₹149 (Incl. of all taxes)
₹122.18
+ ₹26.82 GSTStock: Available
Quantity based pricing table
| Select | Min Qty | Max Qty | Unit Price |
|---|---|---|---|
| 1 | 10 | ₹149 | |
| 11 | 30 | ₹129 | |
| 31 | 50 | ₹99 |
About this item
The 1 Channel 3V Relay Module with Opto Isolation is a compact and reliable relay switching module designed for microcontroller and embedded applications operating at 3V–3.3V logic levels. Featuring optocoupler isolation, the module effectively protects sensitive control circuits from electrical noise, voltage spikes, and interference generated by connected loads.
This relay module supports both high-level and low-level trigger modes, allowing flexible integration with a wide range of development boards such as ESP8266, ESP32, Raspberry Pi Pico, STM32, and Arduino-compatible controllers. With a switching capacity suitable for controlling AC and DC loads, it is ideal for home automation, industrial control, smart appliances, IoT projects, and remote switching applications.
Specifications
| Manufacturer Part Number | ST2010SM1533 |
|---|---|
| Number of Channels | 1 |
| Operating Voltage | 3 ~ 3.3V DC |
| Trigger Mode | High Level / Low Level Selectable |
| Mounting | PCB Mount with Fixing Holes |
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