Relay Modules
Explore our extensive range of relay modules to find the ideal solution for your electronic projects and automation systems. Our selection includes 5V relay modules, 5V relay module with optocoupler, 5V 4-channel relay, and the versatile 16-channel relay module for larger control systems. These modules provide reliable switching and control capabilities, ensuring seamless performance in your setups.
Whether you’re a hobbyist or a professional engineer, our relay modules are designed to meet your specific needs. Shop today to enhance your projects with our high-quality relay modules and unlock the power of efficient automation and control.
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Electro-Mechanical Relay Modules
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IoT WiFi and RF Relay Module
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Optocoupler / Light‑Coupled Relay Modules
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Solid State Relay Modules
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Time Delay Relay Modules
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USB and Bluetooth Relay Modules
- Product
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24V 1-Channel Low Level Trigger Relay Module
diymore
$1.16Features: CATEGORY SPECIFICATIONS Product Name 1-Channel Relay Control Module Device Type Microcontroller-compatible relay switching module Control Voltage (VCC) 24V DC Control Interface IN (signal input), VCC (power), GND (ground), COM...- SKU:
- PERMA55C
$1.16 -
KY-019 5V Relay 1 Channel Relay Module
diymore
$1.16The module features one high-quality relay capable of handling loads up to 250V/10A. The relay module includes an activation indicator LED. Unlike relay modules with two or more channels, this module does not use optocouplers; instead, the...- SKU:
- PERCA32
$1.16 -
NE555 DC 5V 10A Timer Delay Relay
diymore
$2.70Features: CATEGORY SPECIFICATIONS Product Name 5V NE555 Conduction Delay Relay Module Module Type Delay ON Relay Timer Module Control IC NE555 Timer Chip Working Voltage DC 5V Module Type Delay turn-on (conduction delay) Delay Time...- SKU:
- PESKU36
$2.70 -
XH-M131 24V Photo-resistor Relay Module
Autonics
$2.70Features: CATEGORY SPECIFICATIONS Product Name Adjustable Threshold Relay Control Module Device Type Voltage Threshold Relay Switch Module Input Voltage DC 12V Control Method Adjustable potentiometer (threshold setting) Relay Trigger...- SKU:
- PEFST47
$2.70 -
XH-M131 12V Photo-resistor Relay Module
Autonics
$2.70Features: CATEGORY SPECIFICATIONS Product Name Adjustable Threshold Relay Control Module Device Type Voltage Threshold Relay Switch Module Input Voltage DC 12V Control Method Adjustable potentiometer (threshold setting) Relay Trigger...- SKU:
- PEFST46
$2.70 -
433Mhz 12V Signal Channel + Wireless Remote Control
HWA YEH
$6.55Features: CATEGORY SPECIFICATIONS Product Name 12V Wireless RF Remote Control Relay Switch Module Device Type RF Remote-Controlled Relay Switching System Operating Voltage (Receiver/Control Board) DC 12V Operating Voltage (Remote Control) DC...- SKU:
- PEDAS59
$6.55 -
5V IR Relay Driver Module + Active Remote Controller
Olimex
$5.39Features: CATEGORY SPECIFICATIONS Product Name 5V Wireless Remote Control Relay Module Module Type 1-Channel Remote-Controlled Relay Switch Working Voltage DC 5V (VIN+ / GND) Channel Count 1 Channel Control Method Wireless remote control...- SKU:
- PEIRT26
$5.39 -
24V 8-Channel Relay Module
diymore
$5.39Features: CATEGORY SPECIFICATIONS Product Name 8-Channel Relay Module Number of Channels 8 Channel Working Voltage 12V DC Trigger Type Active LOW (low-level trigger) Control Compatibility AVR, PIC, ARM, PLC, Arduino, and other...- SKU:
- PECRM47
$5.39 -
Relay Module 24v Low | 6-channel
diymore
$5.01Features: CATEGORY SPECIFICATIONS Product Name 24V 6-Channel Relay Module Module Type Multi-Channel Relay Interface Board Channel Count 6 Channels Working Voltage DC 24V Trigger Logic Active-low (LOW signal activates relay) Relay...- SKU:
- PECRM51
$5.01 -
Relay Module 12v Low | 6-channel
diymore
$5.01Features: CATEGORY SPECIFICATIONS Product Name 12V 6-Channel Relay Module Module Type Multi-Channel Relay Interface Board Channel Count 6 Channels Working Voltage DC 12V Trigger Logic Active-low (LOW signal activates relay) Relay...- SKU:
- PECRM49
$5.01 -
24V 4-Channel Relay Module with Optocoupler
diymore
$4.62Features: CATEGORY SPECIFICATIONS Product Name 4-Channel 24V Relay Module Breakout Board Device Type Opto-isolated Relay Control Module Relay Channels 4 independent channels Control Voltage 24V DC Control Compatibility Arduino, 8051, AVR,...- SKU:
- PERCA30
$4.62 -
24V 2 Channel Relay Module
diymore
$2.31Features: CATEGORY SPECIFICATIONS Product Name 24V Relay Module (JD-VCC Version) Module Type Relay Control Module with Separate Power Option Working Voltage DC 24V Trigger Logic Active-low (LOW signal activates relay) Signal Input...- SKU:
- PECCR56
$2.31 -
5V 8 Channel Low Level Relay Module
diymore
$3.85Features: CATEGORY SPECIFICATIONS Product Name 8-Channel 5V Relay Module Board Device Type Single Channel Electromechanical Relay Module Relay Channels 8 Channel Operating Voltage (Control Side) 5V DC (works with 3V–5V control input...- SKU:
- PERCA27
$3.85 -
5V 4 Channel Low Level Relay Module
diymore
$3.08Features: CATEGORY SPECIFICATIONS Product Name 4-Channel 5V Relay Module Board Device Type Single Channel Electromechanical Relay Module Relay Channels 4 Channel Operating Voltage (Control Side) 5V DC (works with 3V–5V control input...- SKU:
- PERCA26
$3.08 -
5V 2 Channel Low Level Relay Module
diymore
$1.23Features: CATEGORY SPECIFICATIONS Product Name 2-Channel 5V Relay Module Board Device Type Single Channel Electromechanical Relay Module Relay Channels 2 Channel Operating Voltage (Control Side) 5V DC (works with 3V–5V control input...- SKU:
- PERCA24
$1.23 -
5V 1 Channel Low Level Relay Module
diymore
$1.23Features: CATEGORY SPECIFICATIONS Product Name 1-Channel 5V Relay Module Board Device Type Single Channel Electromechanical Relay Module Relay Channels 1 Channel Operating Voltage (Control Side) 5V DC (works with 3V–5V control input...- SKU:
- PERCA23
$1.23 -
Relay Module 5v Low | 6-channel
diymore
$4.24Features: CATEGORY SPECIFICATIONS Product Name 5V 6-Channel Relay Module Module Type Multi-Channel Relay Interface Board Channel Count 6 Channels Working Voltage DC 5V Trigger Logic Active-low (LOW signal activates relay) Relay...- SKU:
- PECRM48
$4.24 -
1 Channel 5V Low Level Trigger Relay Module Optocoupler Isolation Terminal
diymore
$1.54Normally open interface maximum load: AC 250V/10A, DC 30V/10A. SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA. Fault-tolerant design, the relay will not move even if the control line is broken. Power...- SKU:
- PERMA56A
$1.54 -
ACEBOTT 5V Relay Module Easy-Plug Compatible with ESP32/Arduino
ACEBOTT
$1.93The ACEBOTT 5V Relay Module is designed for easy integration with platforms like ESP32 and Arduino. It uses an electromagnetic mechanism to control the switching of contacts between low voltage control circuits and high voltage working circuits. The...- SKU:
- QB076
$1.93 -
12V 1-Channel Low Level Trigger Relay Module
diymore
$1.16Features: CATEGORY SPECIFICATIONS Product Name 1-Channel Relay Control Module Device Type Microcontroller-compatible relay switching module Control Voltage (VCC) 12V DC Control Interface IN (signal input), VCC (power), GND (ground), COM...- SKU:
- PERMA55B
$1.16 -
SOLD OUT
XY-DJ01 DC6-30V Delay Timing relay switch
TMEiC
$12.32Features: CATEGORY SPECIFICATIONS Product Name LCD Programmable Delay Relay Module Device Type Multi-function timing relay / delay cycle controller Operating Voltage DC 6V – 30V Display Type LCD screen (clear parameter & mode...- SKU:
- PESDF42
$12.32 -
SOLD OUT
ESP-12F AC/DC Power Supply WIFI Relay Module
Dikavs
$10.78Features: CATEGORY SPECIFICATIONS Product Name ESP8266 Single-Channel Relay Development Board Main Controller ESP8266 (ESP-12F WiFi Module) Flash Memory 4MB (32Mb) WiFi Capability Integrated WiFi (ESP-12F) Development Support Arduino IDE,...- SKU:
- PESIB42
$10.78 -
12V 8-Channel Relay Module
diymore
$5.01Features: CATEGORY SPECIFICATIONS Product Name 8-Channel Relay Module Number of Channels 8 Channel Working Voltage 12V DC Trigger Type Active LOW (low-level trigger) Control Compatibility AVR, PIC, ARM, PLC, Arduino, and other...- SKU:
- PECRM46
$5.01 -
12V 4-Channel Relay Module with Optocoupler
diymore
$4.62Features: CATEGORY SPECIFICATIONS Product Name 4-Channel 12V Relay Module Breakout Board Device Type Opto-isolated Relay Control Module Relay Channels 4 independent channels Control Voltage 12V DC Control Compatibility Arduino, 8051, AVR,...- SKU:
- PERCA28
$4.62 -
SOLD OUT
12V 1 Channel Relay Module
diymore
$1.23Features: CATEGORY SPECIFICATIONS Product Name 1-Channel 12V Relay Module Board Device Type Single Channel Electromechanical Relay Module Relay Channels 1 Channel Operating Voltage (Control Side) 12V DC (works with 4V–12V control...- SKU:
- PERCA22
$1.23 -
SOLD OUT
3V 1 Channel Relay Module
diymore
$1.54Features: CATEGORY SPECIFICATIONS Product Name 1-Channel 3V Relay Module (No Optocoupler) Number of Channels 1 Channel Working Voltage DC 3V Trigger Current ~3 mA Trigger Type Configurable (High-level or Low-level via jumper) Default...- SKU:
- PERCA21
$1.54 -
SOLD OUT
2 channel Relay Delay Switch TCP/UDP Controller Module
TMEiC
$26.95Features: CATEGORY SPECIFICATIONS Product Name Ethernet TCP/UDP 2-Channel Relay Module (Expandable to 8 Channels) Main Controller STC Industrial Microcontroller Communication Type Ethernet (LAN/Internet) Supported Protocols TCP, UDP, Cloud...- SKU:
- PESDF36
$26.95 -
DC 12V NE555 Adjustable Time Delay relay Module
TMEiC
$3.85Features: CATEGORY SPECIFICATIONS Product Name 12V Conduction Delay Relay Module Device Type Timer-based Relay Control Module Main Control Chip NE555 Timer IC Function Type Adjustable delay relay (time control switching) Operating...- SKU:
- PESDF49
$3.85 -
Relay Trigger Cycle Timer Delay Module
TMEiC
$3.85Features: CATEGORY SPECIFICATIONS Product Name MOSFET Delay Timer Switch Module (High Power) Device Type Solid-State Relay / MOSFET Timing Control Module Control Method Electronic (no mechanical relay, MOSFET switching) Operating Voltage DC...- SKU:
- PESDF45
$3.85 -
SOLD OUT
433Mhz Universal Wireless Remote Control Switch
Autonics
$11.55Features: CATEGORY SPECIFICATIONS Product Name 2-Channel 433MHz Wireless Relay Receiver Module Device Type RF Remote Control Relay Switch Number of Channels 2 Channel Input Power AC 85V – 250V Standby Current < 8.5 mA RF...- SKU:
- PEFFG45
$11.55 -
12V Signal Channel Fixed Encoding Switch + Wireless Remote
HWA YEH
$6.55Features: CATEGORY SPECIFICATIONS Product Name 12V Wireless RF Remote Control Relay Switch Module Device Type RF Remote-Controlled Relay Switching System Operating Voltage (Receiver/Control Board) DC 12V Operating Voltage (Remote Control) DC...- SKU:
- PEDAS58
$6.55 -
SOLD OUT
XH-M350 12V 150W 12A Backup Battery Switching Module
Dikavs
$4.62Features: CATEGORY SPECIFICATIONS Product Name DC 12V Power Failure Auto Switch Module Device Type Automatic Power Switching Module (Main ↔ Battery Backup) Control Voltage DC 12V Control Current Up to 12A Maximum...- SKU:
- PETYS46
$4.62 -
DC 5V-60V Real-time Relay with Clock Synchronization Timer Module
diymore
$5.39Features: CATEGORY SPECIFICATIONS Product Name Programmable Time-Control Relay Module Device Type Multi-mode digital timer relay controller Operating Voltage DC 5V – 60V Weight 34 g Display Type Digital time display (segment...- SKU:
- PEOASE12
$5.39 -
SOLD OUT
5V 1 Channel Relay with Optocoupler Module
Dikavs
$1.16Features: CATEGORY SPECIFICATIONS Product Name 1-Channel 5V Optocoupler Relay Module Device Type Isolated Relay Control Module Working Voltage DC 5V Trigger Current ~5 mA Trigger Type Low-level trigger Isolation Type SMD Optocoupler...- SKU:
- PERDFT18
$1.16 -
5V 2 CH OMRON SSR Solid Relay Module
diymore
$3.85Features: CATEGORY SPECIFICATIONS Product Name Omron 5V Solid State Relay Module Device Type Solid State Relay (SSR) Control Module Relay Brand Omron Input Power Supply 5V DC (160 mA) Input Control Signal Voltage Low: 0–2.5V / High:...- SKU:
- PEGFJ45
$3.85 -
NE555 DC 12V 10A Timer Delay Relay
diymore
$2.70Features: CATEGORY SPECIFICATIONS Product Name 12V NE555 Conduction Delay Relay Module Module Type Delay ON Relay Timer Module Control IC NE555 Timer Chip Working Voltage DC 12V Module Type Delay turn-on (conduction delay) Delay Time...- SKU:
- PESKU35
$2.70 -
SOLD OUT
5V Relay 1 Channel Relay Module
diymore
$1.16Features: CATEGORY SPECIFICATIONS Product Name 5V 2-Channel Relay Module Module Type High-level Trigger Relay Control Board Channel Count 2 Channels Working Voltage DC 5V Control Signal Range 5V–12V TTL signal Trigger...- SKU:
- PERCA25
$1.16 -
5V 4 CH OMRON SSR Solid Relay Module
diymore
$7.70Features: CATEGORY SPECIFICATIONS Product Name OMRON 5V Solid State Relay Module (4-Channel) Module Type Multi-channel SSR Relay Board Relay Type Solid State Relay (OMRON) Channel Count 4 Channels (CH1–CH4) Working Voltage DC...- SKU:
- PESRM45
$7.70 -
ESP8266 10A 220V Network Relay WIFI Module
Dikavs
$7.70Features: CATEGORY SPECIFICATIONS Product Name ESP8266 WiFi Relay Module Model ESP8266 Module Type WiFi-Based Smart Relay Controller Color Green Dimensions 65 × 40 × 18 mm (L × W × H) Communication WiFi (2.4 GHz...- SKU:
- PESIB45
$7.70 -
5V-30V Relay Timer Module
diymore
$1.93Features: CATEGORY SPECIFICATIONS Product Name Adjustable Delay Relay Timer Module Module Type Trigger + Time Delay Relay Module Working Voltage DC 5V – 30V (wide voltage input) Power Interface Micro USB 5.0V + external DC...- SKU:
- PEDDT54
$1.93