HRS4H-S-DC5V Relay

3 devices

Browse boards with HRS4H-S-DC5V relay for smart home automation and AC load switching.

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LILYGO T-Relay

ESP32
LILYGO T-Relay

ESP32 development board with 4 onboard HRS4H-S-DC5V relays, 4MB flash, 8MB PSRAM, WiFi, BLE 4.2, and optocoupler-isolated GPIO expansion — designed for wireless remote switch control of AC/DC loads.

ESP32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
Home AutomationSmart SwitchIndustrial Iot
~$10View

LILYGO T-Relay 5V 8-Channel

ESP32
LILYGO T-Relay 5V 8-Channel

ESP32-WROVER-E development board with 8 optocoupler-isolated 5V relay channels (HRS4H-S-DC5V), Wi-Fi, BLE 4.2, 8MB PSRAM, and support for DC 12–24V power input for industrial automation.

ESP32-WROVER-E4MBWiFi 802.11 b/g/nBLE BLE 4.2
Home AutomationIndustrial AutomationSmart BuildingSmart Switch
~$16View

DFRobot Xboard Relay

Dev Board
DFRobot Xboard Relay

Ethernet-controlled dual-relay board with ATmega32u4, WIZnet W5100 Ethernet, XBee socket, and two 10A relays for remote switching of AC/DC loads via web or MQTT, ideal for home automation.

ATmega32u4 @ 16MHz, single-core AVR2.5KB SRAM32KB (4KB bootloader)Ethernet 10/100 Mbps (W5100)
Smart SwitchHome AutomationBuilding Automation
~$35View

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More to explore — popular traits shared by devices with Components: HRS4H-S-DC5V Relay.

Smart Switchhome-automationESP32 BoardWiFi 4 (802.11 b/g/n)Bluetooth 4.24MB Flash