Prototyping

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.crx-scope{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#1f2937;line-height:1.65} .crx-scope h2{font-size:1.6rem;margin:0 0 .35rem} .crx-scope h3{font-size:1.12rem;margin:.9rem 0 .45rem} .crx-scope p{margin:.5rem 0} .crx-scope .section{margin:1.15rem 0} .crx-scope .grid{display:grid;gap:.9rem} .crx-scope .cols-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))} .crx-scope .cols-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))} .crx-scope .card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1rem} .crx-scope a{color:#15803d;text-decoration:none;border-bottom:1px dashed #9ae6b4} .crx-scope .pill{display:inline-block;background:#e8f5ee;color:#166534;font-weight:700;padding:.22rem .6rem;border-radius:999px} /* Comfortable, larger table text */ .crx-scope table{width:100%;border-collapse:collapse;font-size:1.06rem;line-height:1.55} .crx-scope th,.crx-scope td{border:1px solid #d9dde3;padding:.75rem .8rem;text-align:left;vertical-align:top} .crx-scope th{background:#f5f7f9;font-weight:800} @media (max-width:640px){ .crx-scope table{font-size:1.02rem} .crx-scope th,.crx-scope td{padding:.65rem .7rem} } .crx-scope .muted{color:#6b7280} .crx-scope .note{background:#fff8e6;border:1px solid #ffe1a1;border-radius:10px;padding:.75rem} Prototyping at Circuitrocks — Breadboards, PCBs & Jumpers for Fast Builds Move from idea to working circuit with our curated prototyping parts —from solderless breadboards and jumper wires to perfboards , prototype PCBs , headers , and terminal blocks . Perfect for Arduino, ESP32, Raspberry Pi, robotics, and classroom labs. Breadboards • Jumpers • Perfboard • Prototype PCBs • Headers • Terminals Why shop prototyping here Complete ecosystem: Everything from first breadboard to final screw-terminal PCB. Maker-tested: Boards and jumpers that actually grip, not flimsy clones that fall out. PH support: Local help from Circuitrocks when layouts, traces, or connections get confusing.