The Best Esp8266 Breakout of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Esp8266 Breakout of 2025. Check our ranking below.
2,136 Reviews Scanned
- Compatible Models: Any board (5 V or 3.3 V) with a pin spacing of 0.1 inch (2.54 mm), width 0.6, 0.7, 0.8, 0.9, 1.0 inch and length up to 2.3 inch (24 pin) (Compatible with Arduino Nano / Micro, Raspberry Pi Pico 1 / 2 (W), ESP32, ESP8266)
- Power Supply: If using DC input (6~24 V), can provide 5 V and 3.3 V power (DC-DC circuit, up to 3A); otherwise, can use the power of the main board (Need to configure jumper caps, please refer to the tutorial)
- GPIO Status LED: LED on if GPIO outputs / inputs high level, LED off if GPIO outputs / inputs low level
- Independent LED: The status LED is driven by the chip instead of the GPIO so the GPIO will not be affected
- Terminal Block and Header: Connect to all pins of the main board, 2.54 mm (0.1 inch) pitch
- √【For ESP8266 ESP-12E】: Specially designed by KeeYees technical team. It is fully compatible with ESP8266 ESP-12E.
- √【GPIO 1 into 2】: This expansion board can expand one GPIO pin of Development Board to two, which is convenient for users to reuse pins for large-scale smart home projects.
- √【2 Type Connections】: Two connection methods: Pin Header Connector & Screw Terminal. Just select them according to your purpose.
- √【Double-Layer PCB】: The expansion board is a double-layer board. One pin is wired on both sides. Therefore, the circuit is stable and highly reliable, and there will be no poor circuit contact and unstable signal transmission.
- √【Updated Version】: Compared with the previous version, the board of this version has been soldered completely. No need to solder parts by yourself, which is very convenient to use.
- COMPATIBILITY NOTICE: Designed for most 30-pin ESP32-WROOM and ESP32-WROVER development boards, and 30-pin ESP8266 NodeMCU boards ONLY. Does NOT support ESP32-P / S / C / H series (including S2, S3, C3, C6, H2, P4, etc.). Before purchasing, please verify your board's chip model, pin count, and pin layout.
- Real-Time Debugging Made Easy - On-board LED indicators for every GPIO pin allow you to monitor signal status without extra wiring or tools.
- Smart Power Management - Dual voltage support (5V/2A and 3.3V/500mA), reverse power protection, and automatic USB/external power switching.
- Flexible Connectivity - Features 2.54mm pin headers, screw terminals, and 3-pin interfaces for servos and sensors—perfect for rapid prototyping.
- Safe & Efficient Design - On-board power switch, voltage selector jumper, and clear labeling help avoid mistakes and protect your board and devices.
- Package included: 4 Pack ESP8266 ESP-12E Terminal Adapter Breakout Board. If you have any question please contact us.
- Perfect Compatibility: The terminal breakout board is only fit ESP8266 ESP-12E NodeMCU Development Board;
- The ESP8266 breakout board is design with double-layer that One pin is wired on both sides. Stable and highly reliable.Great contact and stable signal transmission for your ESP8266 ESP-12E NodeMCU Development Board
- 2 Type Connections: Two connection methods, Pin Header Connector & Screw Terminal. Please find which one would you prefer according to your purpose.
- This expansion board can expand one GPIO pin of ESP8266 development board to two, which is convenient for you to reuse all pins in projects. Nice breadboard alternative.
- NodeMCU GPIO expansion board
- NodeMCU can be connected through by Pin Header & Screw Terminal
- GPIO 1 INTO 2
- ★Can expand one GPIO pin of Development Board to two, which is convenient for users to reuse pins for large-scale smart home projects.
- ★Double-layer board. One pin is wired on both sides. The circuit is stable and highly reliable, and there will be no poor circuit contact and unstable signal transmission.
- ★Compatible with ESP8266 ESP-12E.
- ★Two connection methods: Pin Header Connector & Screw Terminal.
- ★No need to connect parts by yourself, which is very convenient to use.
- 2,This breadboard adapter will help you to make prototyping with ESP-01 ESP-01S wifi module much easier.
- 3,This breakout offers clear pinout silkprint on top and will nicely fit your prefered breadboard
- 4,Onboard 0.1µF decoupling capacitor makes the esp01 esp01s wifi module always run smoothly without a hitch.
- 5,What you will get is: 5 X ESP-01S adapter board.
- The esp8266 breakout board can expand one GPIO pin of esp8266 development board to two.Convenient to reuse all pins in smart home DIY projects.
- Breakout board can expand one GPIO pin of ESP8266 development board to two, which is very nice for you to reuse all pins , it is a good tool for your smart home projects. Nice breadboard alternative
- The expansion board is a double-layer board. One pin is wired on both sides.
- ESP8266 breakout board GPIO 1 into 2 only can compatible with ESP8266, and scalable to a variety of applications, pin header & screw terminal. Just select them according to your purpose.
- The circuit is stable and highly reliable, and there will be no poor circuit contact and unstable signal transmission.
- Note: Compatible version Pin distance 2.2cm / 0.86 in (dimensions in the picture)
- Support Pin Out IO Out 1 into 2
- Support Two connection methods: Pin Header Connector & Screw Terminal.
- Already welded, no need to weld parts yourself, very easy to use.
- Note: Compatible version Pin distance 2.2cm / 0.86 in (dimensions in the picture)
- ESP8266 ESP01S Breakout Board
- Come with 2pcs 4Pin / 2.54mm (0.1") Male Pin Headers
Last update on 2026-05-30 / Affiliate links / Images from Amazon Product Advertising API
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