This version has two RGB LEDs (an earlier version had only one), an unmarked EEPROM, an unmarked microcontroller (suspected to be the Abov MC81F4104), and an IR receiver module. Two CR1632 coin ...

The device has an LD271 IR LED that can transmit in the 880nm to 950nm range with a TSOP181 IR receiver that can receive in the same range. The STM8S003F3 microcontroller sits at the heart of the ...