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Microcontrollers Philippines: Arduino, ESP32 & STM32 | Circuitrocks .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} /* Table */ .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} Microcontrollers — Arduino, ESP8266, ESP32, STM32, Pico & Development Boards Build IoT, robotics, automation, and embedded systems using our wide selection of microcontrollers . Choose from Arduino boards , powerful ESP32 WiFi/Bluetooth modules , compact ESP8266 NodeMCU , Raspberry Pi Pico , STM32 ARM boards, and beginner-friendly development kits. Arduino • ESP8266 • ESP32 • STM32 • Pico • ATtiny • Dev Kits Why shop microcontrollers here Wide selection: from classic Arduino to modern ESP32 Maker-ready: headers, USB, and example code available PH support: wiring, libraries & project troubleshooting Popular uses IoT & WiFi a