Part Information Review and Datasheet Update

flux

Work done
  • Grouped the ESP32-WROOM-32E pins from the official datasheet into one primary function group per pin: Power/3V3, individual GND groups, Control/Boot, Analog/Touch, Clock/Crystal, GPIO, and Reserved/No Connect.
  • Updated terminal properties with Section, Pin Group, Pin Orientation, Sub-symbol Designator Suffix, and concise Pin Description; corrected GND pins to Ground type.
  • Removed duplicate exposed-pad schematic terminals so P_GND/39 is represented once.
  • Full grouping and validation details are documented in ESP32-WROOM-32E Pin Grouping.
Success criteria review
  • ✅ All datasheet pins 1–38 plus P_GND/39 are covered once.
  • ✅ Power, 3V3, individual GND, GPIO, control/boot, analog/touch, clock/crystal, and reserved pins are distinctly categorized.
  • ✅ Project terminal metadata now reflects the grouping with no duplicate pin assignments.
Next steps
  • If you want, I can next clean up the remaining visible duplicate-style labels for GND/NC terminals or proceed to footprint/EPAD mapping cleanup.
Clean labels
Clean EPAD mapping
Run ERC check
Export documentation
NC
Pin Number
18
GND
Pin Number
38
GND
Pin Number
39_6
IO2
Pin Number
24
GND
Pin Number
39_8
TXD0
Pin Number
35
IO21
Pin Number
33
IO32
Pin Number
8
GND
Pin Number
39_1
GND
Pin Number
39_3
IO5
Pin Number
29
IO22
Pin Number
36
SENSOR_VP
Pin Number
4
NC
Pin Number
22
NC
Pin Number
21
IO33
Pin Number
9
IO16
Pin Number
27
GND
Pin Number
39_2
IO17
Pin Number
28
GND
Pin Number
15
GND
Pin Number
39_7
IO25
Pin Number
10
GND
Pin Number
39_4
NC
Pin Number
19
GND
Pin Number
39_5
IO23
Pin Number
37
NC1
Pin Number
32
IO34
Pin Number
6
RXD0
Pin Number
34
NC
Pin Number
17
GND
Pin Number
39_9
IO35
Pin Number
7
NC
Pin Number
20
EN
Pin Number
3
IO4
Pin Number
26
IO19
Pin Number
31
IO14
Pin Number
13
IO15
Pin Number
23
IO0
Pin Number
25
IO26
Pin Number
11
GND
Pin Number
1
SENSOR_VN
Pin Number
5
IO18
Pin Number
30
IO12
Pin Number
14
3V3
Pin Number
2
IO13
Pin Number
16
IO27
Pin Number
12
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ESP32-WROOM-32E (16MB)

ESP32-WROOM-32E (16MB) thumbnail
The ESP32-WROOM-32E (16MB) is a highly integrated Wi-Fi + Bluetooth + Bluetooth Low Energy (BLE) module developed by Espressif. It is based on the ESP32-D0WD-V3 chip and features a dual-core processor, rich peripherals, and large flash memory—making it ideal for IoT, embedded systems, and wireless applications.
This module is part of the upgraded WROOM-32E series, offering improved RF performance, better stability, and enhanced reliability compared to earlier versions like the 32D.
Key Features (16MB Variant) Processor & Memory Dual-core Xtensa® 32-bit LX6 CPU, up to 240 MHz 520 KB SRAM + 448 KB ROM 16 MB SPI Flash (large storage for firmware/data) Optional variants with PSRAM for memory-intensive tasks Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth v4.2 (BR/EDR + BLE) Integrated PCB antenna (no external antenna needed) Peripherals & Interfaces Up to 26–38 GPIOs (depending on usage) Supports: UART, SPI, I2C, I2S PWM (LED & motor control) ADC, DAC Capacitive touch sensors SD/SDIO/MMC, CAN (TWAI) Electrical & Physical Operating voltage: 3.0V – 3.6V Operating temperature: –40°C to +85°C (industrial range) Compact size: 18 × 25.5 × 3.1 mm Typical Applications Smart home devices (lighting, appliances) IoT sensors and gateways Industrial automation systems Wearables and smart gadgets Audio/voice processing (thanks to dual-core + large flash)
#module #ESP32 #16MB

Properties

ESP32-WROOM-32E__16MB_

Espressif

Integrated Circuits

documentation.espressif.com/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf

U

parametric-v1

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