Product Overview
This module converts a standard DC barrel jack input into a convenient 2-pin screw terminal output, allowing easy connection of power to circuits using bare wires or jumper connections.
It eliminates the need for soldering DC jacks directly into your circuit and provides a secure, reusable, and reliable power interface for prototyping and embedded applications.
Key Features
- Standard DC Barrel Jack Input (5.5mm × 2.1mm)
- 2-Pin Screw Terminal Output for Easy Wiring
- No Soldering Required (Plug & Tighten)
- Compact and Durable PCB Design
- Wide Copper Traces for Reliable Current Flow
- Reusable & Ideal for Prototyping
- Firm Mechanical Mounting
Use Cases
- Powering Arduino / ESP / FPGA boards
- Breadboard power input
- Embedded system prototyping
- Robotics and motor driver supply
- CCTV / LED strip power connections
- Lab testing setups
Advantages
- No soldering required
- Quick and secure connections
- Easy polarity access
- Reusable across multiple projects
- Clean and professional wiring
Application Examples
- Convert adapter output to screw terminal wiring
- Power distribution node in projects
- Temporary testing interface
- DIY power supply modules
Package Includes
- 1 × DC Jack to Screw Terminal Module
Compatibility
Works with:
- 5V / 9V / 12V / 24V DC adapters
- Arduino, ESP8266, ESP32
- Raspberry Pi (via regulator)
- FPGA boards (via regulated input)
- Motor drivers and relay modules
Working Principle
- DC adapter is plugged into the barrel jack
- Power is routed through PCB traces
- Output is available on screw terminals
- Wires can be directly connected and secured using screws
Notes:
- Ensure correct polarity before powering
- Do not exceed current limits of PCB traces
- Tighten screw terminals properly to avoid sparking
- Not intended for high-power industrial loads
Weight = 3 grams
Dimensions = 2.6 cm x 1.2 cm x 1.2 cm
DC Power Jack to Screw Terminal Module
Parameter Value Input Connector DC Barrel Jack (Female) Barrel Size 5.5mm outer / 2.1mm inner Output Connector 2-Pin Screw Terminal PCB Trace Width ~1mm Operating Voltage Up to 24V (recommended) Current Capacity Up to ~2–3A (practical range)* PCB Material FR4

