Elecrow
Breadboard adapter for ESP8266 Serial-to-WiFi transceiver
A breadboard adapter for the popular ESP-01 model of the ESP8266 serial-to-Wi-Fi transceiver module. It converts the ESP-01's 2×4 pin header into two breadbo...
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A breadboard adapter for the popular ESP-01 model of the ESP8266 serial-to-Wi-Fi transceiver module. It converts the ESP-01's 2×4 pin header into two breadboard-friendly single-row headers with clearly labelled pin names, making prototyping with the ESP8266 much more convenient.
The ESP-01 module's original pin arrangement does not sit neatly on a breadboard and the pins are unlabelled. This adapter solves both problems, providing easy access to all power and I/O pins. An on-board 10 µF filter capacitor helps stabilise the power supply.
Key Features
- Breadboard-Friendly Layout – Converts ESP-01's 2×4 header to two single-row pin headers
- Labelled Pins – Clear pin names printed on the PCB for quick identification
- 2.54 mm (0.1") Pitch – Standard spacing compatible with solderless breadboards
- On-Board Filter Capacitor – 10 µF capacitor for power supply stabilisation
- 2×4 Female Header – Receives the ESP-01 module directly
Ideal For
- Rapid prototyping with ESP8266 ESP-01 modules
- IoT projects using serial-to-Wi-Fi connectivity
- Breadboard-based development and testing
Package Contents
- 1× Breadboard Adapter for ESP8266 ESP-01
Jargon buster
Plain-language definitions for the technical terms used above.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- PCB
- A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
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