The NRF24L01+ Module is an excellent wireless communication option between devices like the Arduino.

NodeMcu consists of open source firmware and a development kit that helps to prototype your IoT (Intemet of Things) project through some lines of Lua language. The NodeMcu has integrated ESP-12 serial WiFi with GPIO, PWM, ADC, I2C and 1-WIRE capabilities, integrates USB-TTL serial with super reliable industrial strength CH340 for superior stability on all supported platforms.

This ESP8285 ESP M2 Module provides easy-to-use WiFi for any UART port and is compatible with the HC-06 Bluetooth modules. If your project uses Bluetooth, it is very easy to convert it to WiFi. Using the integrated web interface, WIFI-UART communication can be configured for TCP or UDP sockets on any port.

This ENC28J60 RJ45 Ethernet Shield is ideal for enabling your Arduino Nano with an Internet connection.

Development Board ESP32-DEVKITC-S1.

Arduino Development Board Module ESP8266 with WiFi OLED.

Intelligent Electric Outlet with WiFi, Smart Plug, 2200W, with App compatible with Android and IOS.

Smart Dual Power Plug with WiFi, Smart Plug, with App compatible with Android and IOS.

Now you can go home and rest! With this Electrical Outlet Schuko with Wifi App, you can remotely control your fixtures, saving time and energy!