{"product_id":"40a-2-6s-esc","title":"40A 2-6S ESC","description":"\u003ch1\u003e40A 2-6S ESC – Opto-Isolated Motor Speed Controller for Quadcopters\u003c\/h1\u003e\n\nThe ReadytoSky 40A 2-6S ESC is an opto-isolated electronic speed controller designed for quadcopters and multi-rotors. It uses an opto-coupler to isolate the high-power battery and motor side from the receiver signal side, delivering faster and more precise motor speed control for improved flight performance.\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous current: 40A\u003c\/li\u003e\n\u003cli\u003eBattery input: 2S to 6S LiPo (7.4V – 22.2V)\u003c\/li\u003e\n\u003cli\u003eType: Opto-isolated (no BEC)\u003c\/li\u003e\n\u003cli\u003eSignal input: Standard PWM receiver signal\u003c\/li\u003e\n\u003cli\u003eFirmware: Pre-flashed with BLHeli or compatible\u003c\/li\u003e\n\u003cli\u003eDimensions: Approximately 25mm x 15mm x 6mm (verify with product)\u003c\/li\u003e\n\u003cli\u003eWeight: ~8g (verify with product)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (via PWM signal generation)\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266 (for custom flight controllers)\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (with PWM hat or GPIO)\u003c\/li\u003e\n\u003cli\u003eStandard RC receivers (PPM\/PWM)\u003c\/li\u003e\n\u003cli\u003eFlight controller boards (Pixhawk, CC3D, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e250mm to 450mm quadcopter frames for FPV racing or aerial photography\u003c\/li\u003e\n\u003cli\u003eHexacopter or octocopter multi-rotor builds for heavy-lift or redundancy\u003c\/li\u003e\n\u003cli\u003eCustom drone projects for school or engineering lab demonstrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESC purchase includes access to our AI build companion — delivered via QR, email, or WhatsApp — that helps you wire and program this part into a working quadcopter project. With 10 years of experience supplying makers and institutions across India, we ensure you get the right component and the support to use it. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is an opto ESC and why use it?\u003c\/summary\u003e\n\u003cp\u003eAn opto ESC uses an opto-coupler to electrically isolate the receiver signal from the high-power motor circuit. This reduces electrical noise and interference, making it ideal for sensitive flight controllers in multi-rotor builds.\n\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for 40A 2-6S ESC?\u003c\/summary\u003e\n\u003cp\u003eYou can pay via UPI, credit\/debit cards, or Cash on Delivery (COD). All options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect this ESC to my flight controller?\u003c\/summary\u003e\n\u003cp\u003eConnect the ESC's signal wire (usually white or yellow) to a PWM output pin on your flight controller. The red and black wires go to the battery. Ensure your flight controller firmware supports the ESC protocol (e.g., Oneshot125, Multishot).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this ESC come with a BEC?\u003c\/summary\u003e\n\u003cp\u003eNo, this is an opto-isolated ESC without a BEC. You will need a separate BEC or power module to supply 5V to your receiver or flight controller.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the delivery time for this ESC?\u003c\/summary\u003e\n\u003cp\u003eWe ship 40A 2-6S ESC across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Orders typically arrive within 3–7 business days depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"40A 2-6S ESC\",\n  \"description\": \"ReadytoSky 40A 2-6S opto-isolated ESC for quadcopters and multi-rotors.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"ReadytoSky\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"898.88\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is an opto ESC and why use it?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"An opto ESC uses an opto-coupler to electrically isolate the receiver signal from the high-power motor circuit. This reduces electrical noise and interference, making it ideal for sensitive flight controllers in multi-rotor builds.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What payment options are available for 40A 2-6S ESC?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can pay via UPI, credit\/debit cards, or Cash on Delivery (COD). All options are available across India.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How do I connect this ESC to my flight controller?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Connect the ESC's signal wire (usually white or yellow) to a PWM output pin on your flight controller. The red and black wires go to the battery. Ensure your flight controller firmware supports the ESC protocol (e.g., Oneshot125, Multishot).\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Does this ESC come with a BEC?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"No, this is an opto-isolated ESC without a BEC. You will need a separate BEC or power module to supply 5V to your receiver or flight controller.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the delivery time for this ESC?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"We ship 40A 2-6S ESC across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Orders typically arrive within 3–7 business days depending on your location.\"\n        }\n      }\n    ]\n  }\n}\n\u003c\/script\u003e","brand":"ReadytoSky","offers":[{"title":"Default Title","offer_id":53492667253101,"sku":"CDN-2065","price":1169.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/40a-2-6s-esc-2077287.jpg?v=1785259507","url":"https:\/\/compoden.com\/products\/40a-2-6s-esc","provider":"Compoden","version":"1.0","type":"link"}