Temperature sensor fow use with Smart Chargers.
Universal Smart Charger (1.5A) with Temperature sensor for 19.2V-24V NiMH/ NiCad Battery Packs
Multi-Current Smart Charger (0.9 - 1.8A) For any 9.6V - 18V NiMH / NiCad Battery Packs
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A.
The Micro Maestro is the smallest of Pololu’s second-generation USB servo controllers. The Maestros are available in four sizes and can be purchased fully assembled or as partial kits.