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Three narrow ESP32 boards with USB-C and a GPIO breakout board

MCDODO

MCDODO ESP32 Development Board 3 Set 38Pin Narrow Version

SKU CH-KMKJ-790ZT

Three ESP32 boards with 38-pin narrow layout, Wi-Fi and Bluetooth, plus breakout boards that split each GPIO into two terminals for breadboard prototypes

  • TypeSingle Board Computers
  • Three boards in one pack for parallel prototyping
  • 38-pin narrow layout fits standard breadboards
  • Wi-Fi and Bluetooth radio built into each module
  • ESP32-S chip supports AP, STA and AP+STA modes
  • Breakout board splits one GPIO into two terminals

Three-board kit for IoT prototyping

This bundle supplies three ESP32 development boards, each built around the ESP-WROOM-32 module with 38 pins in a narrow form factor that fits standard breadboards. The boards include a USB-C connector for power and programming, plus integrated Wi-Fi and Bluetooth radios for networked projects. They are aimed at makers, students and engineers building connected sensors, actuators or home-automation nodes.

Narrow pinout eases breadboard layout

The 38-pin spacing is narrower than the 30-pin variant, so each board sits cleanly on a single breadboard without straddling the centre gap. A companion breakout board is included that splits one GPIO into two screw-terminal connections, simplifying wiring for relays, sensors or other peripherals in smart-home DIY builds. The breakout only matches this 38-pin narrow version and will not fit wider DevKit V1 modules.

Replaces 30-pin modules when extra I/O is needed

Moving from a 30-pin ESP32 board to this 38-pin version adds eight additional GPIO lines, useful when a project outgrows the smaller pin count. The upgrade is worthwhile for designs that need more simultaneous sensor inputs, PWM outputs or communication buses. It is not suited for users who require the wider DevKit V1 pin spacing or mounting holes for chassis fixation.

Pontos fortes

  • Three boards in one pack for parallel prototyping
  • 38-pin narrow layout fits standard breadboards
  • Wi-Fi and Bluetooth radio built into each module
  • ESP32-S chip supports AP, STA and AP+STA modes
  • Breakout board splits one GPIO into two terminals

Especificações

TypeSingle Board Computers

Perguntas sobre este artigo

Does the 38-pin ESP32 board fit a standard breadboard without adapters?

Yes, the narrow 38-pin width is breadboard-compatible, unlike wider 30-pin modules.

How much heat or noise does the ESP32 generate when running Wi-Fi and Bluetooth continuously?

The bare board has no fan or heatsink; it runs silently and stays cool under typical IoT loads.

What must I already own to use the GPIO breakout board with these ESP32 modules?

You need the matching 38-pin narrow ESP32 boards — the breakout does not fit DevKit V1 or other pin widths.

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