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Review on πŸ“‘ HiLetgo ESP8266 ESP-01 WiFi Module Development Board (3pcs) - Serial Wireless Transceiver with LWIP AP+STA Compatibility for Arduino by Wayne Girard

Revainrating 5 out of 5

A small IoT device with many functions.

I love ESP8266 devices. I have about a dozen at home for various purposes. They are so small that they can be placed anywhere and consume very little electricity. I download ESP Easy to an IoT device and use it for thermometers, motion sensors, door (reed) switches and relays to turn lights on and off. The possibilities are endless!

Pros
  • Excellent overall performance
Cons
  • Frequency