ESP8266-01S ESP-01S WiFi module 5V with relay adapter

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With the ESP8266-01S relay module you have the possibility to switch a relay comfortably via WLAN. With the help of free firmware, the module can be integrated into existing networ ks, without any programming knowledge! The powerful ESP-01S with 1 MB memory and 80 MHz CPU clock allows independent execution, even of more complex applications. A powerful PCB antenna ensures a good reception and allows a use with high range. The module is ideal for various smart home and Internet of Things applications. ✔️ The relay is compatible with open source firmware such as Tasmota. ✔️ The module is convenient to use and can be switched with only one GPIO pin ✔️ Use without programming knowledge is possible ✔️ Control of the relay is possible via WLAN 802.11 b/g/n ✔️ Supply voltage 5V ✔️ Popular in the community Our Relay Modules switch quickly and reliably many switching operations. For complex Arduino projects, where you want to control devices with larger current, many of our Relay Modules are suitable ! Show more