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ESP32-WROOM-32E Reference Design
Properties
80 × 60mm
8–10USD
flowchart TB PWR[Power & Protection] CORE[Core & Connectivity] COMM[Communication Interfaces] IO[Motor & Auxiliary Outputs] ADC[Analog Inputs & Map Selector] STORAGE[Storage (microSD)] PWR -->|12V in, TVS, reverse Polarity| REG5[12→5V Buck Regulator] REG5 --> REG3[3.3V LDO (ME6211)] REG3 --> CORE CORE -->|ESP32-WROOM-32E| COMM COMM -->|USB-C & CP2102N| HOST[Host PCTuner] COMM -->|CAN via SN65HVD230Q-Q1| CAN[CAN Bus] CORE -->|SPI| STORAGE CORE -->|GPIO Digital| IO CORE -->|ADC GPIO| ADC ADC -->|TPS, CLT, IAT, MAP, O2, VBAT| SENSORS(Sensors) IO -->|Injectors x6 with AOD4184A & SS56| INJ[Injectors] IO -->|5V smart coil interface via SN74HCT14N| COIL[Smart Coils] IO -->|Aux MOSFETs x4| AUX[Aux Outputs]
JST-XH
2
RoHS
Bare metal
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $2.46–$3.86 |
Digi-Key | $5.16–$33.52 |
LCSC | $11.43–$13.31 |
Mouser | $6.92 |
TME | $9.19 |
Verical | $4.47–$7.10 |
Controls
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