| Wireless Type | Bluetooth |
| Brand | DIYmall |
| Item Weight | 1.44 ounces |
| Package Dimensions | 8.27 x 6.06 x 0.59 inches |
| Color | 1 X ESP32-WROOM-32 Development Board + 1 X ESP32 Expansion Board |
| Manufacturer | DIYmall |
| ASIN | B0B1PL4GGY |
| Country of Origin | China |
| Date First Available | May 19, 2022 |
ESP32 Chip:
The ESP32 is dual core, this means it has 2 processors.
It has Wi-Fi and bluetooth built-in.
It runs 32 bit programs.
The clock frequency can go up to 240MHz and it has a 512 kB RAM.
This particular board has 36 pins, 18 in each row.
It also has wide variety of peripherals available, like: capacitive touch, ADCs, DACs, UART, SPI, I2C and much more.
It comes with built-in hall effect sensor and built-in temperature sensor.
The ESP32 peripherals include:
18 Analog-to-Digital Converter (ADC) channels
3 SPI interfaces
3 UART interfaces
2 I2C interfaces
16 PWM output channels
2 Digital-to-Analog Converters (DAC)
2 I2S interfaces
10 Capacitive sensing GPIOs
ESP32 Expansion Board is designed for DIYmall ESP32 Development Board only.
You only need to input DC 6.5-30V voltage on the black DC jack to power the DIYmall ESP32 Development Board. And the ESP32 Expansion Board also comes with a DIP switch, for controlling the power.
In order to connect other sensors easily, the ESP32 Expansion Board also has 2 rows of 2.54mm pin headers, powering external sensors/modules with DC 3.3V voltage.
ESP32 Expansion Board has brought out all the pins of DIYmall ESP32 Development Board in the form of 2.54mm pin header.
 |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| ESP32-PICO-KIT V4.1 | ESP32-S3-DevKitC-1 N8R8 | DIYmall DOIT ESP32 DEVKIT | ESP32-S2-Saola-1R | ESP32-C3-DevKitM-1 | ESP32-C3-DevKitC-02 | |
| Customer Reviews | 12 | 6 | 50 | 10 | 6 | 5 |
| Price | $20.99 | $27.99 | $15.98 | — | $19.99 | $19.99 |
| Module | / | ESP32-S3-WROOM-1 | ESP32-WROOM-32 | ESP32-S2-WROVER | ESP32-C3-MINI-1 | ESP32-C3-WROOM-02 |
| WiFi | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Bluetooth | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Flash | 4MB | 8MB | 4MB | 4MB | 4MB | 4MB |
| PSRAM | / | 8MB | / | 2MB | / | / |
| Antenna | PCB | PCB | PCB | PCB | PCB | PCB |
| RGB LED | / | ✓ | / | ✓ | ✓ | ✓ |
| USB interface | Micro USB | Micro USB | Micro USB | Micro USB | Micro USB | Micro USB |
| Power Supply | 3.3V/5V | 3.3V/5V | 3.3V/5V | 3.3V/5V | 3.3V/5V | 3.3V/5V |
| Chip | ESP32-PICO-D4 | / | / | / | / | / |
 |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| BME280 Humidity Temperature Sensor | Benewake TF-LC02 Lidar Ranging Module | GY-AS3935 Lighting Sensor Module Thunder Storm Distance Detector | Blood Oxygen Sensor Heart Rate Click GY-MAX30102 Sensor | BMP390 Precision Barometric Pressure and Altimeter Sensor | Optical Fingerprint Reader Sensor Module | |
| Customer Reviews | 82 | 2 | 5 | 9 | 24 | 28 |
| Price | $11.59 | — | — | $12.99 | $14.99 | $21.99 |
| DIYmall BME280 Humidity Temperature Sensor Barometric Pressure Sensor Module with IIC/I2C for Arduino GY-BME280-5V | DIYmall Benewake TF-LC02 Lidar Ranging Module ToF Sensor Module 3-200cm DC 3-3.6V TTL for Arduino Raspberry Pi STM32 (Pack of 2pcs) | GY-AS3935 Lighting Sensor Module SPI I2C MA5532-AE Lighting Strike Thunder Storm Distance Detector Breakout Board | Blood Oxygen Sensor Heart Rate Click GY-MAX30102 Sensor Optical Heart-Rate Monitor Module for Arduino | BMP390 Precision Barometric Pressure and Altimeter Sensor for Arduino | DIYmall Optical Fingerprint Reader Sensor Module for Ar Duino 2560 R3 Raspberry Pi ESP8266 ESP32 51 AVR STM32 Red Light DC 3.8-7V |
