
They are very handy for controlling microcontrollers wirelessly. Very easy to set up and use. All manuals are available at adafruit.com or arduino.cc.

πΆ kuman 10pcs nRF24L01+ 2.4GHz Antenna Wireless Transceiver Module for Arduino Raspberry Pi Compatible K19
8 Review

π‘ Izokee ESP-01 Serial WiFi Transceiver Module with USB Converter, Compatible with Arduino
8 Review

π Ximimark 1Pcs ESP8266 Network Relay WIFI Module 220V 10A DC 7-30V 4 Layers Board TVS Input Automatic Protection: Enhanced Home Automation Solution
8 Review

π‘ CM19A R.F. PC Transceiver for X10 Devices
8 Review

UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review

π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 Review

π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review

HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review