Item specifics
Description
GL-12 840 Holes Breadboard Product Overview
The GL-12 840 Holes Breadboard is a high-quality solderless breadboard designed for rapid electronic circuit prototyping and testing. Made of ABS plastic, the GL-12 840 Holes Breadboard measures 175×67×8mm and features 840 tie-point holes. The board layout includes 128 groups of 5 connected terminals and 8 bus strips of 25 connected terminals. With a standard 2.54mm (0.1 inch) hole pitch, the GL-12 840 Holes Breadboard is compatible with most DIP packaged components and 20-29 AWG wires. The GL-12 840 Holes Breadboard supports splicing multiple boards of the same specification together to accommodate larger circuit builds. No soldering is required for circuit assembly, and components can be reused multiple times, making the GL-12 840 Holes Breadboard an ideal tool for R&D labs, university teaching, and electronics DIY projects.
GL-12 840 Holes Breadboard Key Features
The GL-12 840 Holes Breadboard features a high-quality ABS plastic housing that is lightweight and durable, effectively reducing static damage to CMOS devices. The contact clips are made of phosphor bronze with nickel plating, offering excellent elasticity and conductivity. It provides 840 tie-points in total, including 128 groups of 5 interconnected terminals in the component area and 8 bus strips of 25 interconnected terminals. The standard 2.54mm (0.1 inch) hole pitch accommodates resistors, capacitors, transistors, LEDs, diodes, and most DIP packaged ICs. Compatible wire gauge ranges from 20 to 29 AWG (approximately 0.8mm diameter). A self-adhesive backing on the underside securely attaches the GL-12 840 Holes Breadboard to work surfaces. Supports horizontal or vertical splicing with multiple boards of the same specification to expand the working area. Circuit assembly requires no soldering, allowing components to be repeatedly inserted and removed for easy circuit modification.
GL-12 840 Holes Breadboard Applications
The GL-12 840 Holes Breadboard is widely used in R&D labs for rapid electronic circuit prototyping and functional verification. It is ideal for experimental teaching and course projects in university electronics engineering, automation, and related disciplines. Electronics enthusiasts and DIY hobbyists use the GL-12 840 Holes Breadboard for personal projects and creative implementations. It serves as an expansion board for open-source hardware platforms such as Arduino and Raspberry Pi for sensor testing and peripheral circuits. It is also used for temporary circuit assembly and debugging in electronics competitions, as well as feasibility validation of circuit designs during the solution selection phase for engineers.
GL-12 840 Holes Breadboard Key Advantages
The GL-12 840 Holes Breadboard requires no soldering for circuit assembly, enabling quick component insertion and removal with no tools needed for circuit modifications, dramatically improving prototyping efficiency. All components can be repeatedly inserted and removed without damage, resulting in low long-term ownership costs. With 840 tie-points providing ample circuit-building space and a well-organized layout of 128 component groups and 8 power buses, the GL-12 840 Holes Breadboard meets the needs of medium to large-scale circuit experiments. The self-adhesive backing securely fixes the GL-12 840 Holes Breadboard to the desktop, preventing movement during experiments. Supports board splicing for flexible expansion of the working area to accommodate projects of varying scales. The combination of ABS plastic housing and phosphor bronze nickel-plated spring clips ensures both insulation safety and excellent conductivity. The standard 2.54mm hole pitch ensures compatibility with the vast majority of electronic components and jumper wires on the market. The white board surface with clearly marked positive and negative power rail identifiers facilitates easy identification and wiring.
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FAQ
1. What is the GL-12 840 Holes Breadboard?
The GL-12 840 Holes Breadboard is a solderless breadboard used for quickly building and testing electronic circuit prototypes. No soldering is required to insert components and jumper wires, and all components are reusable.
2. What are the key specifications?
Total Holes: 840
Dimensions: 175 × 67 × 8mm (including adhesive backing)
Terminals: 128 groups of 5 connected terminals + 8 bus strips of 25 connected terminals
Hole Pitch: 2.54mm (standard 0.1 inch)
Material: ABS plastic
3. How are the 840 holes arranged?
The GL-12 840 Holes Breadboard has 640 tie-points in the component area and 200 tie-points in the power rails. The component area consists of 128 groups of 5 connected terminals. The power rails consist of 4 bus strips (two on top, two on bottom), each with 25 connected terminals. The power buses on the left and right sides are disconnected in the middle and need to be bridged with jumper wires.
4. What are the voltage and current ratings?
Specifications vary by manufacturer. Typical values for the GL-12 840 Holes Breadboard: Maximum voltage 300-500V DC, Maximum current per row 3A, Contact resistance ≤10mΩ, Insulation resistance ≥100MΩ.
5. What material and construction does it use?
The GL-12 840 Holes Breadboard features an ABS plastic housing with phosphor bronze nickel-plated spring clips inside, ensuring low contact resistance and secure component retention. A self-adhesive backing (double-sided tape) is included for mounting.
6. How many insertion cycles can it withstand?
Yes. Each contact point of the GL-12 840 Holes Breadboard can withstand over 50,000 insertion cycles, making it ideal for repeated circuit modifications and debugging.
7. Can multiple boards be joined together?
Yes. The GL-12 840 Holes Breadboard features dovetail connectors on the sides, allowing multiple boards of the same specification to be spliced together for larger prototyping areas.
8. What applications is it suitable for?
The GL-12 840 Holes Breadboard is suitable for circuit prototyping, educational experiments, and projects with development boards like Arduino and Raspberry Pi. It accepts resistors, capacitors, LEDs, diodes, transistors, ICs, and virtually all through-hole components.
9. What should I be aware of when using the GL-12 840 Holes Breadboard?
Power rail connections: The power buses on the left and right sides are disconnected in the middle and must be bridged with jumper wires
Common mistakes: Reversing power and ground, plugging into the wrong rail, inserting ICs backwards, and poor contact
Wiring order: Connect all components and wiring first, and connect the battery or power source last to avoid short circuits
10. How much does it weigh?
Weight varies by manufacturer, approximately 102g