Commercial transit buses experience extreme thermal and vibrational stress...
Automotive
Commercial Bus & Transit HVAC
Client: Tier-1 Commercial Transit OEM
Bus AC Controller
A ruggedized electronic climate control module engineered for commercial passenger buses. Features automated multi-zone temperature sensing, compressor clutch modulation, variable blower PWM control, and SAE J1939 CAN communication with the vehicle dashboard.
STM32F4
CAN 2.0B / J1939
LIN 2.2
High-Current Relays
FreeRTOS
Operating Range
9V - 36V DC
CAN Latency
< 2ms
Blower Modulation
12-bit PWM
Fleet Field Units
1,200+ Active
Turnkey Engineering Lab
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