CCL CircuitGuard Marker – PCB Overcoat Ink Pen for DIY Arduino Projects & Anti-Etching Board Protection

Take your circuit designs to the next level with the CCL CircuitGuard Marker — a high-precision overcoat ink pen engineered specifically for DIY electronics, Arduino prototyping, and professional PCB protection. Whether you're creating custom traces or safeguarding delicate boards during the etching process, this marker ensures sharp lines, durable coverage, and anti-corrosive shielding where it matters most.

This fast-drying, anti-etching ink pen is made with copper-clad laminate (CCL) compatibility, allowing you to draw or repair circuit diagrams directly on PCBs before etching. Perfect for hobbyists, tinkerers, students, and engineers, the CircuitGuard Marker empowers you to create clean, conductive, and accurate circuit layouts in minutes.

Key Features:

• Precision Overcoat Ink
  Specially formulated ink creates a strong resist layer to protect circuit areas from acid etching during PCB fabrication.

• CCL Board Compatibility
  Works flawlessly with copper-clad laminates and standard PCBs—ideal for Arduino, Raspberry Pi, or custom electronics.

• Fast-Drying & Smudge-Free
  Quick-dry formula ensures mess-free handling, even during intricate circuit sketching or repetitive use.

• Fine Tip for Accuracy
  Designed with a fine-point tip for creating detailed, high-precision lines and pads with minimal bleeding.

• Multi-Purpose DIY Tool
  Suitable for drawing, repairing, masking, or modifying circuits on boards used in robotics, microcontrollers, and school projects.

Perfect For:

• DIY PCB circuit creation

• Arduino & Raspberry Pi projects

• STEM & school electronics kits

• Anti-etching masking for PCB etching

• Quick fixes or touch-ups on printed circuit paths

• Prototyping or low-volume circuit production

Specifications: