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400 Point Solderless Breadboard (Half Breadboard)
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Looking for the best breadboard price without compromising on quality? This 400 point breadboard (commonly known as a half breadboard) is perfect for building and testing electronics, especially with Arduino and ESP32 projects. Itโs made of strong plastic with metal clips that hold wires securely. With 400 tie points, you can quickly set up circuits without soldering, making it easy to try different designs.
It has ample space for components like resistors and LEDs and works with various wire sizes. This prototyping solderless breadboard for DIY electronic projects supports wire sizes ranging from 20 to 29 AWG. With two power rails and a double-strip layout, this compact board offers organized space for various electronic components, including resistors, diodes, transistors, LEDs, and capacitors.
Designed to accommodate jumper wires with a diameter of 0.8 mm and standard 2.54mm hole spacing, this durable board is small, reusable, and features an adhesive back to keep it steady while you work. (Note: Need an even smaller footprint for wearable tech? Check out our mini breadboard options.) Its color-coded layout helps you stay organized, making it simple and useful for all kinds of electronic experiments.
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Check out:ย WB-102 840 Points Solderless Breadboard
Explore What is Breadboard for electronics projects.
New to Arduino and electronics prototyping? Learn how to build simple projects step by step in our 7 Arduino Projects You Can Build With One Starter Kit guide.
Understanding the internal connections is key to successful prototyping. The center of the breadboard features a ravine (divider). The tie points on either side of this divider are connected horizontally in rows of 5. This is where you place components like resistors or ICs. The outer columns, marked with red and blue lines, are the power rails. These connect vertically from top to bottom, making it easy to distribute 5V and GND across your entire circuit.
Not sure which breadboard size you need? Choose based on the space and complexity of your project.
| Feature | 400-Point Breadboard | 830-Point Breadboard |
|---|---|---|
| Board Size | Half-size | Full-size |
| Total Tie Points | 400 | 830 |
| Terminal Points | 300 | 630 |
| Power Rail Points | 100 | 200 |
| Typical Dimensions | 83 ร 55 mm | Approx. 165 ร 55 mm |
| Best For | Small to medium circuits | Larger and more complex circuits |
| Ideal Projects | Arduino, LEDs, sensors, and basic robotics | Multiple sensors, microcontrollers, and complex prototypes |
| Workspace | Compact and portable | Larger component placement area |
| Material | ABS |
| Number of Points | 400 |
| Tie Point | 300 |
| Double Strip | x 1 |
| Power Lanes | 100 Points |
| Dimensions | 8.3cm x 5.5cm |
| Weight | 25 grams |
400 Tie Points โ Solderless Breadboard is a high-quality breadboard with power lanes and a printed top face for easy prototyping. A breadboard is used to create temporary circuits for testing or experimenting with ideas. No soldering is required, changing connections and replacing components is simple.
These tie points are holes in the breadboard into which wires and components can be inserted. Breadboards are useful for basic prototyping, but they cannot accommodate anything with two closely spaced rows of pins, such as the Raspberry Pi's header.
Connect two or more components by inserting the headers in the transversely lined holes, Avoid inserting the two poles of a component in entries located in the same row O Connect the power supply to "-" and "+" rails at all times Connect two or more components by.
Yes, it's designed for 0.8mm diameter jumper wires, ensuring neat and convenient connections for your electronic components.
A 400 tie point (half size) breadboard measures about 8.3 x 5.5 cm. It has 300 tie points in the main terminal strip plus 100 in two pairs of power rails, enough for small Arduino and sensor circuits.
A 400 point breadboard is half size, good for one sensor or a small circuit. An 830 point (full size) breadboard like the MB102 doubles the space for multi-chip circuits, so pick 830 if you plan to mount a microcontroller plus several modules.