SparkFun
SparkFun MicroMod ESP32 Processor Board
Best wireless processor for modular, battery-powered IoT projects.
Meet the SparkFun MicroMod ESP32 Processor Board, bringing the powerful Espressif ESP32 chip into the flexible MicroMod ecosystem via an M.2 connector interface. This board features a dual-core Tensilica LX6 microprocessor running up to 240MHz, integrated WiFi (802.11 BGN), and dual-mode Bluetooth capabilities. It includes 16MB of flash storage and supports hardware acceleration for various encryption standards. The board exposes essential peripherals like SPI, I2C, UART, and multiple GPIO pins, making it a robust wireless option for modular development projects.
$19.80
Owner Satisfaction
4.6
/ 5
Category Rank
407
/ 1541
#407 in Development Boards
Price vs Category Average
-77%
Below average
Processor
6240
/ Dual-core Tensilica LX at MHz
Who it's for
- Prototypers needing modular hardware flexibility without soldering
- IoT developers building connected wireless projects
- Makers preferring familiar Arduino or ESP-IDF coding environments
Who should skip it
- Budget-conscious hobbyists avoiding proprietary carrier board expenses
- Engineers requiring direct breadboard access to raw GPIO pins
- Designers building long-term battery-powered portable devices
Performance breakdown
Ecosystem Versatility
The M.2 connector makes swapping processors effortless for rapid project prototyping.
Wireless Connectivity
Integrated WiFi and dual-mode Bluetooth handle most IoT communication needs reliably.
Processing Power
Dual-core performance easily manages demanding tasks and complex sensor data processing.
Battery Efficiency
Low sleep current makes this a viable choice for portable, battery-powered applications.
Storage Capacity
Generous 16MB flash storage accommodates large codebases and extensive data logging.
Interface Flexibility
Essential serial interfaces provide enough connectivity for most standard peripheral arrays.
Key Specs
Processor
Dual-core Tensilica LX6 at 240MHz
Onboard Flash Storage
16MB
Internal SRAM
520kB
Operating Voltage Range
2.7V to 3.6V
Connectivity
Integrated 802.11 BGN WiFi and dual-mode Bluetooth
Serial Interfaces
2x I2C, 1x SPI, 1x UART
Analog/Digital I/O
2 Analog Inputs, 2 PWM Channels
Sleep Current
Approximately 500µA
Features
- Seamless M.2 MicroMod ecosystem integration
- Dual-core processing for demanding tasks
- Integrated WiFi and dual-mode Bluetooth
- Hardware acceleration for strong encryption
- Low sleep current for battery efficiency
- Easy processor swapping capability
- Supports 10-electrode capacitive touch sensing
- Dedicated USB for programming and debug
What customers say
Customer satisfaction centers on the MicroMod ESP32 Processor Board's exceptional modularity and ease of use. Users highly value the M.2 connector standard, which allows for quick processor swapping without complex rewiring, significantly boosting development speed for prototyping and IoT applications. The integrated ESP32 delivers reliable Wi-Fi and Bluetooth performance, meeting demanding project needs. While the initial investment for carrier boards is noted, the flexibility, robust connection standard, and SparkFun's strong documentation make this premium worthwhile. The consensus is that this board offers a high performance, future proof modular solution for serious builders.
Know before you buy
The MicroMod ecosystem uses an M.2 connector, allowing you to swap out the ESP32 processor board for a different one without needing to redesign or resolder your entire project. It simplifies prototyping by separating the processor from the carrier board.
Yes, it is well-suited for battery-powered applications. It features a low sleep current of approximately 500µA, which helps preserve battery life during periods of inactivity.
Yes, it includes integrated 802.11 BGN WiFi and dual-mode Bluetooth, making it an excellent choice for IoT projects that require wireless connectivity.
The board provides essential connectivity, including two I2C ports, one SPI port, and one UART port. It also offers two analog inputs and two PWM channels for basic sensor and motor control.
With a dual-core Tensilica LX6 microprocessor running at up to 240MHz, this board is capable of handling demanding tasks, including complex data processing and wireless communication simultaneously.
The board comes equipped with 16MB of flash storage for your firmware and files, along with 520kB of internal SRAM for runtime operations.
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