ESP8684-WROOM-02UC official Espressif surface-mount wireless module with U.FL/IPEX connector for external antenna. 2.4 GHz Wi-Fi 4 and Bluetooth LE connectivity from the ESP8684 family. variants include 2 MB and 4 MB in-package flash.
EN/CHIP_PU
GPIO0
GPIO1
3V3
GND
GND
GPIO19
GPIO20
NC
GPIO18
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| EN/CHIP_PU | 2 | control | EN/CHIP_PU | |
| GPIO0 | 18 | signal | GPIO0 | |
| GPIO1 | 17 | signal | GPIO1 | |
| 3V3 | 1 | power | 3V3 | |
| GND | 19 | ground | GND | |
| GND | 9 | ground | GND | |
| GPIO19 | 11 | signal | GPIO19 | |
| GPIO20 | 12 | signal | GPIO20 | |
| NC | 13 | no connect | NC | |
| GPIO18 | 14 | signal | GPIO18 | |
| GPIO2 | 16 | signal | GPIO2 | |
| GPIO3 | 15 | signal | GPIO3 | |
| GPIO4 | 3 | signal | GPIO4 | |
| GPIO5 | 4 | signal | GPIO5 | |
| GPIO6 | 5 | signal | GPIO6 | |
| GPIO7 | 6 | signal | GPIO7 | |
| GPIO8 | 7 | signal | GPIO8 | |
| GPIO9 | 8 | signal | GPIO9 | |
| GPIO10 | 10 | signal | GPIO10 |
USB · 3.3 V
Verify supply voltage and logic levels before powering up.
Module pins: 3V3, GND, GPIO0, GPIO1, GPIO19, GPIO20, GPIO18, GPIO2. Schematik maps them to your board in the app.
Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.
[EOL] M5StickC ESP32-PICO Mini IoT Development Kit visual preview[EOL] M5StickC ESP32-PICO Mini IoT Development Kit
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual preview10 I/Os Relay Module - CPU ESP32 (Relay Output)
Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM visual previewAdafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM
Adafruit ESP32-C6 Feather - STEMMA QT visual previewAdafruit ESP32-C6 Feather - STEMMA QT
Adafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM visual previewAdafruit ESP32-S2 Feather - 4MB Flash + 2MB PSRAM
Adafruit ESP32-S2 Feather with BME280 Sensor - STEMMA QT visual previewAdafruit ESP32-S2 Feather with BME280 Sensor - STEMMA QT
Adafruit ESP32-S3 Feather 8MB with w.FL Antenna visual previewAdafruit ESP32-S3 Feather 8MB with w.FL Antenna
Adafruit Feather HUZZAH with ESP8266 WiFi visual previewAdafruit Feather HUZZAH with ESP8266 WiFi
Adafruit HUZZAH ESP8266 Breakout visual previewAdafruit HUZZAH ESP8266 Breakout
Adafruit HUZZAH32 – ESP32 Breakout Board visual previewAdafruit HUZZAH32 – ESP32 Breakout Board
Adafruit HUZZAH32 ESP32 Feather Board visual previewAdafruit HUZZAH32 ESP32 Feather Board
Adafruit Metro ESP32-S3 with 16MB Flash 8MB PSRAM visual previewAdafruit Metro ESP32-S3 with 16MB Flash 8MB PSRAM
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual preview
10 I/Os Relay Module - CPU Arduino Nano (Relay Output) visual preview
Adafruit METRO 328 - Arduino Compatible - with Headers visual preview
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] visual previewAbout 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.
Boards · Arduino boards · 77 parts
15x7 CharliePlex LED Matrix FeatherWing - Cool White visual preview
15x7 CharliePlex LED Matrix FeatherWing - Warm White visual preview
16-Ch High Current Driver Shield Kit v2 visual preview
19V 90W AC/DC Adapter for LattePanda Mu Full-Function EVA Carrier Board visual previewAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
Boards · HATs, Shields & add-ons · 270 parts
:MOVE mini MK2 buggy kit visual preview
16-Ch Servo Driver Breakout for micro:bit, I2C visual preview
2x40 Right Angle Edge Connector for micro:bit visual preview
32F429IDISCOVERY / STM32F429I-DISC1 Discovery Kit visual previewSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
Boards · Other MCU boards · 225 parts
Adafruit DVI Breakout Board for HDMI Source Devices visual preview
Adafruit DVI Sock for Pico - Works with HDMI Displays visual preview
Adafruit Feather RP2040 with DVI Output Port - Works with HDMI visual preview
Adafruit MACROPAD RP2040 Bare Bones - 3x4 Keys + Encoder + OLED visual previewThe Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
Boards · Pico & RP2040 boards · 44 parts