{"product_id":"arduino-leonardo-without-headers","title":"Arduino Leonardo without Headers","description":"\u003cmeta name=\"description\" content=\"Buy Arduino Leonardo without Headers online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eArduino Leonardo without Headers\u003c\/h1\u003e\n\u003cp\u003eThe Arduino Leonardo without Headers is a compact, powerful microcontroller board based on the ATmega32U4 chip with built-in USB communication - no external USB-to-serial converter needed. Shipped without pre-soldered pin headers, this variant gives you complete flexibility to solder your own connectors, mount it flush on custom PCBs, or integrate it directly into finished enclosures. Available now at The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard\u003c\/td\u003e\n\u003ctd\u003eArduino Leonardo (Headerless Variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eATmega32U4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (Recommended)\u003c\/td\u003e\n\u003ctd\u003e7-12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (Limit)\u003c\/td\u003e\n\u003ctd\u003e6-20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e20 (7 capable of PWM output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Pins\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current per I\/O Pin\u003c\/td\u003e\n\u003ctd\u003e40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current for 3.3V Pin\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e32 KB (4 KB used by bootloader)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e2.5 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM\u003c\/td\u003e\n\u003ctd\u003e1 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e16 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Connectivity\u003c\/td\u003e\n\u003ctd\u003eBuilt-in USB 2.0 (Micro-USB connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB HID Support\u003c\/td\u003e\n\u003ctd\u003eYes - native Keyboard, Mouse, Joystick emulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eUART, SPI, I2C (TWI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e68.6 mm x 53.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~20 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeaders\u003c\/td\u003e\n\u003ctd\u003eNot pre-soldered (headerless version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic Arduino\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative USB Communication:\u003c\/strong\u003e The ATmega32U4 handles USB directly on-chip, eliminating the need for a secondary USB-to-serial processor and enabling the board to appear as a mouse, keyboard, joystick, or custom HID device to any connected computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeaderless Design:\u003c\/strong\u003e Arrives without soldered pin headers, giving you the freedom to solder standard male\/female headers, right-angle connectors, or wire directly to the pads for low-profile and custom enclosure builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 Digital I\/O Pins:\u003c\/strong\u003e Generous GPIO count with 7 PWM-capable pins for motor control, LED dimming, and servo driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 Analog Inputs:\u003c\/strong\u003e More analog channels than the Uno, ideal for sensor-heavy projects that need multiple simultaneous analog readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Arduino IDE Compatibility:\u003c\/strong\u003e Program seamlessly using the Arduino IDE with the extensive library ecosystem, examples, and community resources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Standard Arduino form factor at just ~20 g makes it easy to embed in wearables, drones, and portable devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro-USB Connector:\u003c\/strong\u003e Common Micro-USB cable for programming and power - no special cables required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the Arduino Leonardo without Headers?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic Arduino:\u003c\/strong\u003e Sourced directly from authorized distributors - genuine ATmega32U4, genuine bootloader, full Arduino ecosystem compatibility guaranteed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Integration Freedom:\u003c\/strong\u003e The headerless format is purpose-built for makers who want to solder their own connectors or wire directly to pads for permanent installations and custom PCB stacking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative USB HID - A Unique Advantage:\u003c\/strong\u003e Unlike the Uno or Nano, the Leonardo can natively emulate USB devices. Build custom keyboards, game controllers, MIDI instruments, or automated input devices without additional hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 days shipping from Bengaluru:\u003c\/strong\u003e Ships from our Bengaluru warehouse to most locations across India. Same-day delivery available within Bengaluru.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support Included:\u003c\/strong\u003e Our engineering team provides 24\/7 assistance via email and WhatsApp - from wiring help to code debugging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-day warranty on manufacturing defects:\u003c\/strong\u003e Full coverage against manufacturing defects with hassle-free replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom USB Keyboard \/ Macro Pad:\u003c\/strong\u003e Leverage native HID support to build a programmable keyboard, shortcut pad for video editing, or a stream deck alternative with physical buttons and rotary encoders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Game Controller \/ Joystick:\u003c\/strong\u003e Create a custom arcade stick, racing wheel interface, or flight simulator controller that registers as a native USB gamepad - no drivers needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI Controller for Music Production:\u003c\/strong\u003e Build a USB MIDI controller with faders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Arduino Leonardo without Headers Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eArduino Leonardo without Headers\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eArduino Leonardo without Headers\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eArduino Leonardo without Headers\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43720279261347,"sku":"TES-EV2375","price":2390.3,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1691485410304-0a0b3c00f0c64fc2-05D648C399CF6DCACA9A07ABADBDAB92.jpg?v=1699528885","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/arduino-leonardo-without-headers","provider":"The Engineer Store","version":"1.0","type":"link"}