1. Introduction
1.1 Product Identification and Applications
This manual covers instructions for Solderless Breadboards, Tinned Perfboards (Universal Boards / Prototype Boards), and Copper-Clad Boards, which are essential tools for electronic prototyping and circuit development.
- Solderless Breadboard: Used for prototyping, testing, and educational demonstrations of electronic circuits without soldering. Components are connected via spring-loaded contact sockets.
- Tinned Perfboard (Universal Board / Prototype Board): A through-hole board with pre-tinned pads, intended for constructing permanent or semi-permanent circuit prototypes via soldering.
- Copper-Clad Board: A substrate with a copper layer laminated onto its surface, used to fabricate custom printed circuit boards (PCBs) via etching, milling, or cutting.
2. Warnings and Safety Information
Please read all safety warnings carefully before use to prevent injury or damage to the product.
Electrical Safety Warning
▲ Warning: Circuits assembled using this product may contain hazardous voltages and currents. Incorrect design or wiring may result in short circuits, overheating, fire, or electric shock. Thoroughly verify all connections before powering up the assembled circuit. Initial testing is recommended using a low-voltage DC power supply (e.g., laboratory power supply) with current limiting enabled.
High-Temperature and Burn Warning
▲ Warning: Soldering involves high temperatures. The soldering iron tip, molten solder, and freshly soldered PCBs reach extremely high temperatures capable of causing severe skin burns. Always place the soldering iron in its designated stand during use, and wear an anti-static wrist strap (when properly grounded). Keep the work area clear of flammable materials. Allow solder joints and the PCB to cool completely before handling.
Mechanical Processing and Health Warning
▲ Warning: Cutting, grinding, or milling copper-clad boards generates sharp fiberglass fragments and fine copper dust. Safety goggles and an N95-rated (or higher) dust mask must be worn at all times. Perform such operations only in a well-ventilated area equipped with local exhaust ventilation or dust collection systems, and dispose of waste materials appropriately.
Child Safety and General Warning
▲ Warning: Not suitable for children under 14 years of age. This product and its accessories (e.g., loose components) may contain small parts. Circuit assembly and soldering involve complex procedures and inherent hazards. To be used under the direct supervision of an adult or qualified instructor. Recommended only under the guidance of an adult possessing relevant safety knowledge and technical competence.
3. Setup
3.1 General Setup
Operate on a clean, dry, well-lit, and well-ventilated workbench. Before handling, discharge static electricity from your body (e.g., by touching a grounded metal object), especially when working with electrostatic-sensitive components.
3.2 Solderless Breadboard Preparation
Verify that component lead diameters are compatible with socket holes (typically 0.4-0.7 mm). Refer to the internal connection diagram printed on the board's underside for proper circuit layout; avoid misalignment across rows/columns to prevent short circuits. When inserting or removing components, use dedicated extraction tools or fine-tip tweezers—avoid excessive force that may damage socket elasticity.
3.3 Self-Adhesive Backing
The breadboard features a self-adhesive backing for secure placement on a workbench or project enclosure. Peel off the protective layer to expose the adhesive. The horizontal power paths are clearly marked.
4. Operating Instructions
4.1 Solderless Breadboard Usage
The solderless breadboard is suitable only for low-voltage (typically ≤30 V), low-current (<1 A per contact point), and low-frequency signal circuits. It is strictly prohibited for mains voltage (110 V / 220 V AC) or any high-voltage, high-power applications.
4.2 Tinned Perfboard / Copper-Clad Board Usage (If applicable)
Circuit designs must ensure conductor spacing (creepage distance) and trace width comply with safety requirements for the intended operating voltage and current, to prevent dielectric breakdown or thermal overload.
Soldering
Use a temperature-controlled soldering iron (recommended 300-350°C) and follow the principle of "mechanical fixation first, then soldering." Limit dwell time per solder joint to no more than 3 seconds to prevent pad delamination due to overheating.
Cutting/Milling
When cutting or milling copper-clad boards, wear safety goggles and an N95-rated (or higher) dust mask; perform operations only with professional tools (e.g., hobby knives, PCB milling machines) and properly collect copper debris.
Cleaning
After soldering or processing, clean flux residue using electronics-grade isopropyl alcohol or equivalent cleaning agents.
5. Maintenance and Storage
5.1 General Care
None of these boards are waterproof or heat-resistant structural components. Prolonged use in humid, high-dust, corrosive-gas environments—or at temperatures exceeding the substrate's glass transition temperature (e.g., >130°C for FR-4)—is prohibited. These boards must not be used as load-bearing structures or mechanical supports.
5.2 Tinned Perfboard Pad Longevity
The tin (Sn) or tin-lead (Sn-Pb) plating on Tinned Perfboard pads is rated for a limited number of soldering cycles; repeated rework may cause pad lifting or detachment.
6. Troubleshooting
- Circuit Not Functioning: Double-check all connections for proper insertion and alignment. Ensure component leads are fully seated in the breadboard sockets.
- Intermittent Connections: Verify that component leads are not bent or damaged. Use dedicated extraction tools to avoid damaging sockets when removing components.
- Power Issues: Confirm that the power supply voltage and current are within the specified limits for the breadboard (≤30 V, <1 A per contact point). Avoid using the solderless breadboard for high-voltage or high-power applications.
- Short Circuits: Ensure no component leads are bridging adjacent rows/columns, especially on the solderless breadboard.
7. Specifications
| Feature | Specification |
|---|---|
| Model | MB-102 |
| Tie Points | 830 |
| Type | Solderless Breadboard |
| Dimensions (L x W) | 16.5 cm x 5.5 cm (Large) |
| Hole Diameter | 0.9 mm |
| Hole Pitch | 2.54 mm / 0.1 inches |
| Thickness | 10 mm |
| Max Voltage (Solderless) | ≤30 V |
| Max Current (per contact) | <1 A |
| Features | Self-adhesive back |
| Origin | Mainland China |
| Package Quantity | 1pc/pack |
8. User Tips
- The product is well-suited for school projects and educational purposes.
- It is generally well-packed and matches the product description.
- Ensure proper handling and storage to maintain product integrity.
9. Frequently Asked Questions (FAQ)
- Q: What can I use this item for?
- A: This item can be used for solderless prototyping of electronic circuits, compatible with microcontrollers like Arduino and Raspberry Pi, LEDs, resistors, ICs, and various sensors.
10. Compliance and Support
10.1 Compliance Markings
This product series complies with applicable EU regulatory requirements and meets EU health, safety, and environmental protection legislation.
10.2 Applicable Regulations and Harmonized Standards
This product series conforms to the following EU regulations and harmonized standards:
- RoHS Directive 2011/65/EU: Restriction of Hazardous Substances in Electrical and Electronic Equipment.
- REACH Regulation (EC) No 1907/2006: Registration, Evaluation, Authorisation and Restriction of Chemicals.
10.3 Additional Resources
For a detailed user manual and additional documents, please refer to the official PDF: View User Manual (PDF)