Part Information Review and Datasheet Update

Set Pin Description to "GPIO VSPI D" on IO23, Set Section to "GPIO" on IO23, and 16 more changes

Set IO23's Pin Description to "GPIO VSPI D"

Set IO23's Section to "GPIO"

Set IO23's Pin Group to "GPIO"

Set IO23's Pin Orientation to "Left"

Set IO23's Sub-symbol Designator Suffix to "GPIO"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground pin 38"

Set GND's Section to "Ground"

Set GND's Pin Group to "GND_38"

Set GND's Pin Orientation to "Bottom"

Set GND's Sub-symbol Designator Suffix to "Power"

Set GND's Pin Number to "39"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Exposed ground pad"

Set GND's Section to "Ground"

Set GND's Pin Group to "P_GND"

Set GND's Pin Orientation to "Bottom"

Set GND's Sub-symbol Designator Suffix to "Power"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground pin 1"

Set GND's Section to "Ground"

Set GND's Pin Group to "GND_1"

Set GND's Pin Orientation to "Bottom"

Set GND's Sub-symbol Designator Suffix to "Power"

Set GND's Pin Type to "Ground"

Set GND's Pin Description to "Ground pin 15"

Set GND's Section to "Ground"

Set GND's Pin Group to "GND_15"

Set GND's Pin Orientation to "Bottom"

Set GND's Sub-symbol Designator Suffix to "Power"

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
Sign up to send
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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