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AJMRTC 3PCS ESP8266 NodeMCU GPIO Expansion Board, 1 to 2 IO Pin Breakout Module, NodeMCU Pinout Splitter Board for ESP8266 ESP-12F Development Board IoT Project
- - Package includes 3 pieces of NodeMCU GPIO 1-to-2 expansion breakout boards
- - Splits one original IO pin into two independent output ports for more wiring options
- - Standard pin definition matches NodeMCU V3, easy to align and plug in directly
- - Compact stackable design, no soldering required for fast prototyping
- - Great for ESP8266 ESP-12F, sensor connection, DIY smart home and IoT builds
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Overview
Specs
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AJMRTC NodeMCU GPIO expansion board is specially designed for ESP8266 NodeMCU mainboard. It duplicates each GPIO signal from one pin into two channels, solving the shortage of available IO ports when connecting multiple sensors or actuators. It follows the official NodeMCU pin layout for simple installation. Plug-and-play structure helps you save soldering time. It is widely used for smart home automation, data acquisition, wireless sensor nodes and other ESP8266 IoT projects.
Specifications
- Brand: AJMRTC
- Quantity: 3PCS
- Compatible Chip: ESP8266, ESP-12F, NodeMCU V3
- Function: GPIO 1 IN to 2 OUT signal split
- Connection Method: Direct plug-in
- PCB Material: FR-4
- Working Voltage: 3.3V
- Feature: No soldering needed, duplicate IO signal
- Application: IoT, sensor expansion, smart home DIY
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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