Temperature sensor fow use with Smart Chargers.
Multi-Current Smart Charger ( 1-2 A ) For any 4.8V - 10.8V NiMH / NiCad Battery Packs
Universal Smart Charger (1.5A) with Temperature sensor for 19.2V-24V NiMH/ NiCad Battery Packs
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor.
This is a direct drive 4WD robot kit that uses Nexus mecanum wheels. The mecanum wheels allow it to vector in any direction.