# ESP32-WROOM-32E Reference Design ## Description This project is a reference design for an ESP32-WROOM-32E based device. It features USB-C for power and data transfer, onboard voltage regulation, and multiple peripheral connections. It also includes a CH340C for USB to serial conversion #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** esaut - **Created:** 5/6/2024 - **Last Updated:** 5/6/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### Battery — [BATTERY](https://www.flux.ai/adrian95/battery.md) - Part Type: Connector **Pins:** - P1 - P2 ### M1 — [DC Motor](https://www.flux.ai/vasyl/dc-motor.md) **Pins:** - - - + ### NEMA — [Connector 01x04 Horizontal](https://www.flux.ai/jharwinbarrozo/connector-01x04-horizontal.md) - Part Type: Connector **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Manufacturer Part Number: ESP32-DEVKIT-V1 - Part Type: Module - Manufacturer Name: Espressif Systems **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND__1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] ### U2 — [L298N](https://www.flux.ai/vasy_skral/l298n.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/82/cc/3f/39/0a/29/4d/f0/CD00000240.pdf/files/CD00000240.pdf/jcr:content/translations/en.CD00000240.pdf - Manufacturer Part Number: L298N - Manufacturer Name: STMicroelectronics - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ENA [pin 6] - ENB [pin 11] - GND [pin 8] - IN1 [pin 5] - IN2 [pin 7] - IN3 [pin 10] - IN4 [pin 12] - OUT1 [pin 2] - OUT2 [pin 3] - OUT3 [pin 13] - OUT4 [pin 14] - SENSE_A [pin 1] - SENSE_B [pin 15] - VS [pin 4] - VSS [pin 9] ### U3 — [L298N](https://www.flux.ai/vasy_skral/l298n.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/82/cc/3f/39/0a/29/4d/f0/CD00000240.pdf/files/CD00000240.pdf/jcr:content/translations/en.CD00000240.pdf - Part Type: Integrated Circuit - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: L298N - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ENA [pin 6] - ENB [pin 11] - GND [pin 8] - IN1 [pin 5] - IN2 [pin 7] - IN3 [pin 10] - IN4 [pin 12] - OUT1 [pin 2] - OUT2 [pin 3] - OUT3 [pin 13] - OUT4 [pin 14] - SENSE_A [pin 1] - SENSE_B [pin 15] - VS [pin 4] - VSS [pin 9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/esaut/esp32-wroom-32e-reference-design](https://www.flux.ai/esaut/esp32-wroom-32e-reference-design).* --- *Generated from [https://www.flux.ai/esaut/esp32-wroom-32e-reference-design](https://www.flux.ai/esaut/esp32-wroom-32e-reference-design)*