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Five green ESP32-S3 GPIO expansion boards with 44-pin headers

MCDODO

MCDODO ESP32-S3 GPIO 1 into 2 44 Pin Expansion Board 5PCS

SKU CH-K194-FKRQ3

Expands each of the 44 ESP32-S3 GPIO pins into two connections for more sensors and modules

  • TypeSingle Board Computers
  • Expands each GPIO into two pins for more sensors
  • 44-pin interface matches ESP32-S3 N8R2 and N16R8 modules
  • Stable circuit connections prevent poor contact in projects
  • Keeps wiring tidy for smart home and multi-sensor builds
  • Five boards per pack accelerate development of complex IoT systems

5-Piece ESP32-S3 GPIO Expansion Pack

This pack contains five identical breakout boards that turn every GPIO pin on an ESP32-S3 module into two accessible pins. The design targets makers and engineers who need more I/O connections than the stock header provides. Each board mates with the standard 44-pin footprint used by N8R2 and N16R8 modules. The five-unit quantity suits prototype farms, classroom kits or multi-node sensor deployments.

44-Pin Interface and Pin Doubling

The 44-pin interface mirrors the ESP32-S3 development board layout so alignment is exact and contact is reliable. Every one of the 44 pins is split into two, effectively doubling the available connection points for sensors, displays or actuators. This headroom supports dense multi-sensor arrays and complex smart-home prototypes without resorting to fragile jumper webs. The fixed 44-pin count means the board cannot serve larger pin-count modules or non-standard footprints.

Stable Signal Transmission in Normal Use

The PCB layout keeps trace lengths short and spacing consistent to preserve signal integrity across the doubled pins. In typical bench operation the board runs passive, adding no active components that would generate heat or draw measurable extra current. No fan or heatsink is required and acoustic noise is absent. The mechanical fit resists vibration-induced intermittent faults during long-running IoT deployments.

商品特色

  • Expands each GPIO into two pins for more sensors
  • 44-pin interface matches ESP32-S3 N8R2 and N16R8 modules
  • Stable circuit connections prevent poor contact in projects
  • Keeps wiring tidy for smart home and multi-sensor builds
  • Five boards per pack accelerate development of complex IoT systems

商品規格

TypeSingle Board Computers

商品問答

Will the 44-pin expansion board fit my existing ESP32-S3 N8R2 or N16R8 module without modification?

The board uses a standard 44-pin GPIO interface that matches the pinout of ESP32-S3 N8R2 and N16R8 modules, giving a tight fit and secure connection.

How can I verify the GPIO 1-into-2 expansion is working correctly after I solder the board?

Probe each duplicated pin pair with a multimeter or toggle them in code; both pins in a pair should show identical logic levels if the expansion is functioning.

The pack contains five boards — are headers or cables included, or do I need to source them separately?

Only the five bare expansion boards are supplied; pin headers, jumper wires and any sensor cables must be purchased separately.

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