400-Point Solderless Breadboard for Electronic Circuit Prototyping

Universal Prototyping Board with 4 Power Rails for Arduino, ESP32, Raspberry Pi Pico and DIY Electronics

The 400-point solderless Breadboard is a versatile tool for quickly building, testing and experimenting with electronic circuits without soldering. It is suitable for electronics beginners, engineers, technicians, students and DIY project developers.

The breadboard features a total of 400 connection points, divided between a central circuit-building area and separate power distribution rails. The central section provides 300 connection points arranged in 30 rows and 10 columns (A–J), with a central channel separating the two terminal sections. This design allows direct installation of DIP integrated circuits, resistors, capacitors, diodes, transistors and other electronic components.

The two side power distribution sections provide an additional 100 connection points, organised into four independent power rails for positive and negative supply connections. They make it easier to distribute voltage throughout the circuit and reduce the need for additional wiring.

The internal contacts are manufactured from phosphor bronze with a nickel-plated finish, providing stable electrical connections and good mechanical durability. The board is compatible with standard solid jumper wires and electronic component leads.

The housing is made of ABS plastic and features a clear alphanumeric coordinate layout, making it easier to follow connections and build more complex circuits. The integrated side interlocking features allow multiple breadboards to be mechanically connected to create a larger prototyping area.

The bottom surface features double-sided self-adhesive backing, allowing secure attachment to a workbench, robot chassis, mounting plate or electronic enclosure.

Key Features:

• 400 total connection points for solderless prototyping.

• 300 connection points in the central circuit area.

• 100 connection points across four power distribution rails.

• Central channel for mounting DIP integrated circuits.

• High-quality phosphor bronze contacts with nickel plating.

• Alphanumeric coordinate markings for easy circuit navigation.

• Interlocking design for connecting multiple breadboards.

• Self-adhesive backing for secure mounting.

• Reusable design without soldering.

• Ideal for education, experimentation and electronics development.

Suitable Applications:

• Arduino, ESP32 and Raspberry Pi Pico projects.

• Electronic circuit development and testing.

• STEM and educational electronics kits.

• Experiments with resistors, capacitors, diodes and transistors.

• Connecting sensors, LEDs and microcontrollers.

• Testing DIP integrated circuits.

• Prototyping power supply and control modules.

• Robotics and automated DIY projects.

• Testing electronic components before soldering.

Technical Specifications:

• Type: Solderless Breadboard

• Total Number of Tie Points: 400

• Central Circuit Area: 300 points

• Central Area Configuration: 30 rows × 10 columns

• Coordinate Markings: A–J

• Power Distribution Points: 100

• Power Rails: 4 independent lines

• Contact Groups: 5 interconnected holes per row

• Housing Material: ABS Plastic

• Contact Material: Phosphor Bronze

• Contact Finish: Nickel Plated

• Contact Durability: Up to 50,000 insertion cycles

• Compatible Wire Size: Typically 21–26 AWG (approximately 0.4–0.7mm)

• Maximum Rated Voltage: 36V DC

• Maximum Rated Current: 2A

• Dimensions: Approximately 82–84 × 54–55 × 8.5mm

• Mounting Base: Double-Sided Self-Adhesive Tape

• Interlocking Design: Yes

Note: This breadboard is designed for low-voltage electronic circuits. It is not suitable for 220V AC mains voltage, high-current applications or powerful heating loads. When connecting the power rails, always check their electrical continuity, as individual rail sections may be separated. Wire compatibility and electrical ratings may vary between different breadboard versions.