Remotsy is a ESP8266 equipped with a infrared blaster and receiver. The board's stock firmware is programmed to communicate with Remosty cloud,but it's possible to flash the board with any firmware. Here are some examples:
The board has a RGB neo pixel LED, the led is connected to the pin 14. the example use the ticker function to
blink the led.
The board has a infrared receiver TSOP38238 that is connected to the pin 5, Using the library IRremoteESP8266
is possible to capture and decode an infrared code. This example is the same that exist in the library
The board has 4 infrared led that are conntect to the pin 4, Using the library IRremoteESP8266 is possible to
transmite almost any infrared code. This example is the same that exist in the library
https://www.tindie.com/products/10469/
To flash the board, you need connect the serial pins (TX,RX and GND) and also connect the pin 0 to ground and press the reset button. The easy way to do this is connect the pins with the yellow arrow.