OSOYOO Infrared Remote Controller
Arduino Graphical Programming Kit:
https://osoyoo.com/2019/07/31/arduino-graphical-programming-kit-lesson26-ir-wireless-robot-car/
This IR remote controller has 4 directional buttons that are good for Robot or other applications.
NOTE!! The handheld remote has a small clear plastic piece in the battery compartment that must be removed to activate it. You can usually just pull it out.
Specification:
17 keys
Based on NEC protocol;
CR2025 battery;
Remote control range: above 8m;
Wavelength: 940Nm;
Frequency: crystal oscillator: 455KHz;
IR carrier frequency: 38KHz
