Control high voltage and high current devices safely and efficiently with Relay Boards from TechnoSam. Our wide range of relay modules is perfect for Arduino, Raspberry Pi, ESP32, and other microcontroller projects that require switching of AC/DC loads, automation, robotics, and IoT systems. From simple single-channel relays to multi-channel boards with optocoupler isolation, we provide robust, easy-to-use relay boards designed to deliver precise control and protect your electronics.

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47%
1 Channel 5V Relay Module Black
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1 Channel 5V Relay Module Black

Original price was: ₹150.00.Current price is: ₹80.00.
In Stock
SKU:27589
  1. Channel: 1 channel
  2. Relay Voltage: 5V
  3. High impedance controller pin
  4. Pull-down circuit for the avoidance of malfunction
  5. One normally closed contact and one normally open contact
  6. Triode drive, increasing relay coil
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61%
5V 1 Channel Relay Module Infrared IR Remote Switch Control
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5V 1 Channel Relay Module Infrared IR Remote Switch Control

Original price was: ₹890.00.Current price is: ₹350.00.
Out of stock
SKU:56278
  1. DC 5V Home lighting system
  2. Remote control switch
  3. Smart Home / Home Automation
  4. Garage Door
  5. Remote controlled gates
  6. Security Monitoring
  7. LED lighting
  8. Fluorescent lamp
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35%
16 Channel 5V Relay Module with Optocoupler
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16 Channel 5V Relay Module with Optocoupler

Original price was: ₹1,000.00.Current price is: ₹650.00.
In Stock
SKU:48316
  1. 5V relay with AC contact capacity of 10A 250V and optocoupler protection.
  2. Onboard power supply module does not need an external power supply. I / O port driver is active low.
  3. The module can be used as a microcontroller development board module and also as appliance control, PLC extended output.
  4. It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
  5. The 1-16 road can be any full on/off or any road.
  6. All interfaces can be directly connected through the terminal leads, very convenient.
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37%
8 Channel 5V Relay Module with Optocoupler
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8 Channel 5V Relay Module with Optocoupler

Original price was: ₹450.00.Current price is: ₹285.00.
In Stock
SKU:10594
  1. Channel: 8 channel
  2. Relay Operating Voltage: 5V
  3. One normally closed contact and one normally open contact
  4. Triode drive, increasing relay coil
  5. High impedance controller pin
  6. Pull-down circuit for the avoidance of malfunction
  7. Power supply indicator and Control indicator lamp
  8. Power supply and relay instructions, lit, the disconnect is off;
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20%
4 Channel 5V Relay Module with Optocoupler
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4 Channel 5V Relay Module with Optocoupler

Original price was: ₹200.00.Current price is: ₹160.00.
In Stock
SKU:81573
  1. 5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
  2. Equipped with high-current relay, AC250V 10A; DC30V 10A.
  3. Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
  4. Indication LED’s for Relay output status.

 

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57%
2 Channel 5V Relay Module with Optocoupler
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2 Channel 5V Relay Module with Optocoupler

Original price was: ₹180.00.Current price is: ₹78.00.
In Stock
SKU:96417
  1. Low Level Trigger Relay Module
  2. Two separate LEDs for On/Off indication of the Relay.
  3. Triggering input voltage 3.3V – 5V
  4. Two separate LEDs for On/Off indication of the Relay
  5. Triggering input voltage 3.3V – 5V 4)
  6. Back EMF protection
  7. Back EMF protection 2 LEDs to indicate when relays are ON.
  8. Works with logic level signals from 3.3V or 5V devices
  9. Opto isolation circuitry
  10. Module with diode current protection, short response time
  11. AC Control Voltage: 250V @max.10A
  12. DC Control Voltage: 30V @max. 10A
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47%
1 Channel 5V Relay Module with Optocoupler
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1 Channel 5V Relay Module with Optocoupler

Original price was: ₹150.00.Current price is: ₹80.00.
In Stock
SKU:37258
  1. Channel: 1 channel
  2. Relay Voltage: 5V
  3. High impedance controller pin
  4. Pull-down circuit for the avoidance of malfunction
  5. One normally closed contact and one normally open contact
  6. Triode drive, increasing relay coil
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20%
ESP8266 WiFi 5V 1 Channel Relay Module
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ESP8266 WiFi 5V 1 Channel Relay Module

Original price was: ₹450.00.Current price is: ₹360.00.
In Stock
SKU:46273
  1. Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time
  2. Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay
  3. Transmission distance : 400m (max)
  4. Relay : 5V,10A/250V AC 10A/30V DC
  5. Baud Rate: 9600.
  6. Diode effusion protection;
  7. Short response time
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