Sharp GP2Y0A02 F 23 Digital Distance Sensor (122) BO Wheel Also check the SKYRC PC1080

Also check the SKYRC PC1080 Dual Channel LiPo Battery Charger

Each relay on the board requires 15-20mA Driver Current

Integrated with the CH340 chip

which are white

Sharp GP2Y0A02 F 23 Digital Distance Sensor (122) BO Wheel Also check the SKYRC PC1080Sharp GP2Y0A02 F 23 Digital Distance Measuring Sensor The Sharp GP2Y0A02 F 23 Digital Distance Measuring Sensor is a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an analog to digital converter