Pinout for the Geekcreit common cathode Red & Green LED module, and the two color common cathode LED module from the Geekcreit 37 in 1 sensor module board set kit for Arduino.
These two modules are identical except that one module has a 5mm LED and the other has a 3mm LED. Both modules contain a 3-pin 2 colour LED. The LED has a common cathode pin and can display a red or green colour depending on which anode pin power is connected to.
Below are images with pinouts for the two modules. The modules must be used with current limiting resistors. Resistor R1 on the module is a 0 Ohm resistor that does not provide any current limiting.
Below is the 5mm two colour LED module.