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Showing 61-80 of 100 products
Arduino MKR Relay Proto Shield
The MKR Relay Protoshield allows you to easily add relays to your MKR board based project. The shield provides two relays called RELAY1 and RELAY2 commanded by pin 1 and pin 2 respectively. The shield also provides easy connection by means of screw terminal...
Relay for micro:bit
The MonkMakes Relay for micro:bit is a solid-state (no moving parts) relay that allows an output of a micro:bit to turn things on and off. A micro:bit can turn an LED on and off directly, but anything more powerful requires something like a relay or a transistor. Using a transistor to switc...
4 Channel 12V Relay Module BK_RL4_01
This 4-channel relay module allows you to control up to four independent circuits using a microcontroller such as Arduino, Raspberry Pi, or other MCU boards. Each relay channel has an LED indicator that shows the current output state, making it easy to monitor which relays are active. The modula...
2 Channel 5V Relay Module BK_RL2_01
The 2-Channel 5V Relay Module allows you to control two high-power devices independently using 5V TTL signals from a microcontroller such as Arduino, PIC, ARM, or MSP430. Each channel features a relay with screw terminals and an LED indicator showing the relay state. The compact modular design m...
Relay Shield v1.1
The Relay Shield v1.1 is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino/Crowduino through digital IOs with external 9V DC supply. Compared to...
Devicter Relay 1 Node V1.0 (ATmega 328) – with support OTA update
The devDuino Relay 1 Node V1.0 is a compact Arduino-compatible microcontroller board with a built-in mains power supply (110–220 V AC), a 10 A relay, and an nRF24L01+ wireless transceiver. It is designed for building wireless home automation networks with support for over-the-air (OTA) firmware u...
Spartan Arduino PLC 16RDA (Relay Output)
This Arduino-based Industrial PLC (Relay Output) features 8 inputs and 6 outputs(digital relay output). As it uses an Arduino Leonardo, you can directly program it through the USB, which is pretty easy to get started. The Spartan controllers are all standarised and can be programmed exactly ...
Industrial Modbus RTU 8-Channel Relay Module (D) with Digital Input and RS485 Interface
The Industrial Modbus RTU 8-Channel Relay Module (D) is a reliable RS485-controlled relay module with 8 digital inputs. Designed for industrial applications, it supports the Modbus RTU protocol and includes multiple isolation protections like power, magnetic, and TVS diode isolation. It features ...
Dual Ethernet 8-Channel Relay Module – PoE, Modbus RTU, Rail-Mount
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Introducing the Modbus POE ETH Relay (C) - Dual Ethernet Ports, 8-ChannelMaximize your industrial automation systems with the exceptional Modbus POE ETH Relay (C). Designed for reliability and robust performance, this 8-channel relay module takes control and connectivity to the next level with it...
4-Channel Industrial Modbus RTU Relay Module – 30A, RS485, LED Indicators, Rail-Mount
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The Waveshare Modbus RTU 4-Channel Relay Module provides reliable high-current switching for industrial automation over an RS485 bus. Each of the four SPDT relays handles loads up to 30A at 250VAC or 28VDC, making it suitable for controlling motors, lighting, HVAC systems, and other heavy-duty eq...
Modbus RTU 8-Channel Relay Module – 30A, RS485, DIN Rail Mount
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Robust Industrial 8-Channel Relay Module - Modbus RTU (E) with High-Current RS485 InterfaceUnlock unparalleled control within demanding industrial environments with our Modbus RTU 8-channel Relay Module (E). Meticulously engineered to facilitate superior handling of high current applications, thi...
8-Channel Modbus RTU Latching Relay Module (C) with RS485, Rail-Mounted
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The 8-Channel Modbus RTU Latching Relay Module (C) is an industrial-grade relay controller with RS485 communication, designed for reliable automation in demanding environments. The latching relays retain their state after power loss, ensuring consistent operation without manual reset. Communicat...
Luckfox Core1106 Smart 86 Box – 4″ 720×720 Touch Wall Panel, RV1106G2/G3, 8GB eMMC, RS485 + 2× Relay, Wi-Fi 6 Optional
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Four versions — check the Wireless option before you order This page sells all four factory versions of the Luckfox Core1106 Smart 86 Box. Two of them have Wi-Fi and Bluetooth fitted, and two do not. Wireless is not an add-on — it is soldered at the factory, so you cannot add it later. Pick your ...
16-Channel Ethernet Relay Module – Modbus, PoE Support, Isolation Protection
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The Waveshare Modbus POE ETH Relay 16CH is an industrial-grade 16-channel relay module controlled over Ethernet using Modbus RTU or Modbus TCP protocol. It features dual Ethernet ports for cascading, Power over Ethernet (PoE) support to IEEE 802.3af, and optocoupler-isolated relay drivers with fl...
4 channel 5V relay module with light coupling 5V
A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, and other mains-powered devices from a microcontroller. The opto-isolators protec...
RP2350 6-Channel Industrial Relay Module – RS485/Pico HAT, Rail-Mount, Isolation Protection
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Industrial 6-Channel RP2350 Relay Module with Onboard RS485 / Pico HAT InterfacesElevate your industrial automation with the robust Industrial 6-Channel RP2350 Relay Module, a versatile and resilient solution for managing multiple high-powered devices with ease. This industrial-grade module featu...
RP2350 Pico Relay Module 6-Channel – RS485, Isolation Protection, Rail-Mount with Wireless
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Industrial-Grade 6-Channel RP2350 Relay Module – Versatility Meets RobustnessEnhance your industrial automation systems with the unparalleled reliability and flexibility of our Industrial 6-Channel RP2350 Relay Module. Engineered to meet the rigorous demands of modern industry, this robust module...
DFRobot DFR1120-868 LoRaWAN Control Terminal - EU868, RS485, 4km
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Build remote monitoring and control systems around a single DIN-rail RTU for EU868 LoRaWAN networks. This 868MHz control terminal is designed for industrial IoT, smart agriculture, building automation and environmental monitoring where long-range wireless telemetry and local device control are ne...
STEMMA Analog SPDT Switch - MAX4544, 12V, JST PH 2mm
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This breakout makes it much easier to use the tiny MAX4544 SPDT analogue switch in prototypes and one-off builds. It gives you a solid-state alternative to a relay for switching between two analogue signal paths, with a compact board and a plug-and-play STEMMA JST PH input so you can get started ...
Little Bird 45 in 1 sensor kit for Arduino
This kit brings together a wide range of sensor and interface modules for Arduino projects, experiments and classroom learning. It includes input sensors, output modules, switching modules, power modules and useful building blocks for trying common electronics ideas.Use the modules to explore lig...