{"product_id":"2-channel-logic-level-converter-i2c-uart-5v-3-3v","title":"2 channel Logic Level Converter (I2C, UART, 5V-3.3V)","description":"\u003cmeta name=\"description\" content=\"Buy 2 channel Logic Level Converter I2C UART 5V33V 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\u003e2-Channel Logic Level Converter (I2C, UART, 5V 3.3V)\u003c\/h1\u003e\n\u003cp\u003eSafely bridge 5V and 3.3V devices with this compact bidirectional 2-channel logic level converter. Ideal for connecting Arduino (5V) to Raspberry Pi, sensors, displays, and other 3.3V peripherals over I2C or UART without risking damage. Available from The Engineer Store, Bengaluru with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 Bidirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Side Voltage (HV)\u003c\/td\u003e\n\u003ctd\u003e5V (supports up to 5.5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-Side Voltage (LV)\u003c\/td\u003e\n\u003ctd\u003e3.3V (supports 1.8V-3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eI2C, UART, SPI (data lines), GPIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Method\u003c\/td\u003e\n\u003ctd\u003eMOSFET-based bidirectional level shifting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Data Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 400 kHz (I2C), suitable for standard UART baud rates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Components\u003c\/td\u003e\n\u003ctd\u003e2x BSS138 N-channel MOSFETs, 4x 10kOhm pull-up resistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003eHV, LV, GND, CH1 (HV\/LV), CH2 (HV\/LV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003e~15mm x 10mm (compact breakout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreadboard Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eElectronics Module \/ Breakout Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\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\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue bidirectional conversion:\u003c\/strong\u003e BSS138 MOSFET design allows data to flow both ways - essential for I2C (SDA\/SCL) and UART (TX\/RX) communication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects your 3.3V devices:\u003c\/strong\u003e Prevents 5V signals from damaging sensitive components like Raspberry Pi GPIO, ESP8266, ESP32, and BME280 sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in pull-up resistors:\u003c\/strong\u003e Onboard 10kOhm pull-ups on both sides mean no extra components needed for I2C lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-compact form factor:\u003c\/strong\u003e Tiny breakout board fits easily on breadboards and inside enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible voltage range:\u003c\/strong\u003e Low side supports 1.8V to 3.3V, making it compatible with a wide range of modern low-voltage ICs\u003c\/li\u003e\n\u003cli\u003e100% authentic from trusted suppliers\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003eExpert technical support included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eEach channel uses a BSS138 N-channel MOSFET with pull-up resistors on both the high-voltage and low-voltage sides. When a low-side device pulls a line LOW, the MOSFET conducts and pulls the high side LOW as well - and vice versa. When neither side is pulling LOW, the pull-up resistors hold both sides HIGH at their respective voltage levels. This elegant design enables safe, reliable bidirectional communication without any active ICs or external power beyond the reference voltages.\u003c\/p\u003e\n\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow-Voltage Side\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Voltage Side\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLV (3.3V reference input)\u003c\/td\u003e\n\u003ctd\u003eHV (5V reference input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLV1 (Channel 1 - 3.3V side)\u003c\/td\u003e\n\u003ctd\u003eHV1 (Channel 1 - 5V side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLV2 (Channel 2 - 3.3V side)\u003c\/td\u003e\n\u003ctd\u003eHV2 (Channel 2 - 5V side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTypical Wiring - I2C Example (Arduino to 3.3V Sensor)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh Side (5V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Side (3.3V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Reference\u003c\/td\u003e\n\u003ctd\u003eHV -\u0026gt; Arduino 5V\u003c\/td\u003e\n\u003ctd\u003eLV -\u0026gt; 3.3V supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003ctd\u003eGND -\u0026gt; Arduino GND\u003c\/td\u003e\n\u003ctd\u003eGND -\u0026gt; Sensor GND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA (Channel 1)\u003c\/td\u003e\n\u003ctd\u003eHV1 -\u0026gt; Arduino SDA (A4)\u003c\/td\u003e\n\u003ctd\u003eLV1 -\u0026gt; Sensor SDA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL (Channel 2)\u003c\/td\u003e\n\u003ctd\u003eHV2 -\u0026gt; Arduino SCL (A5)\u003c\/td\u003e\n\u003ctd\u003eLV2 -\u0026gt; Sensor SCL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eProject Ideas\u003c\/h2\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 2 channel Logic Level Converter (I2C, UART, 5V-3.3V) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e2 channel Logic Level Converter (I2C, UART, 5V-3.3V)\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\u003e2 channel Logic Level Converter (I2C, UART, 5V-3.3V)\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\u003e2 channel Logic Level Converter (I2C, UART, 5V-3.3V)\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":43720265531555,"sku":"TES-EV2256","price":196.1,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1679381015177-0a0b3c00f0c64fc2-121E35B234ED746A5D6F1881B0692AC9.jpg?v=1699528483","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/2-channel-logic-level-converter-i2c-uart-5v-3-3v","provider":"The Engineer Store","version":"1.0","type":"link"}