{"product_id":"si5351-module","title":"Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz","description":"\u003cp\u003eThe Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz is a compact programmable clock generator module for electronics projects. It is used to generate configurable clock and signal frequencies for Arduino, ESP32, Raspberry Pi, RF experimentation, frequency synthesis, and custom microcontroller-based timing applications.\u003cbr\u003e\u003cbr\u003eThe Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz is also known as a Si5351A clock generator module, Si5351 I2C signal generator, Si5351 breakout board, programmable clock generator module, frequency synthesizer module, RF clock generator module, Arduino clock generator board, Raspberry Pi clock generator module, Si5351 oscillator module, CJMCU-5351 module.\u003c\/p\u003e\r\n\u003ch2 data-section-id=\"1v3ic9n\" data-start=\"2921\" data-end=\"2995\"\u003eSi5351 Module Benefits for Arduino, ESP32, Raspberry Pi and RF Projects\u003c\/h2\u003e\r\n\u003cp data-start=\"2997\" data-end=\"3193\"\u003eThe Si5351 Module I2C Clock Generator Breakout Board gives New Zealand electronics makers a practical way to add programmable clock generation to compact digital, RF, and microcontroller projects.\u003c\/p\u003e\r\n\u003cp data-start=\"3195\" data-end=\"3939\"\u003e• Generate configurable clock signals for prototyping, testing, and frequency synthesis\u003cbr data-start=\"3282\" data-end=\"3285\"\u003e • Use I2C control for straightforward integration with Arduino, ESP32, Raspberry Pi, and other compatible microcontrollers\u003cbr data-start=\"3407\" data-end=\"3410\"\u003e • Create multiple independent output frequencies for timing, RF experimentation, and clock replacement projects\u003cbr data-start=\"3521\" data-end=\"3524\"\u003e • Suitable for VFO, signal generator, oscillator, and custom embedded electronics projects\u003cbr data-start=\"3614\" data-end=\"3617\"\u003e • Compact breakout-board format makes it easier to prototype than working directly with a small IC package\u003cbr data-start=\"3723\" data-end=\"3726\"\u003e • Useful for makers, radio hobbyists, electronics students, and hardware developers building frequency-controlled projects\u003cbr data-start=\"3848\" data-end=\"3851\"\u003e • Add flexible clock-generation capability to your next Techexpress NZ electronics build\u003c\/p\u003e\r\n\u003ch2 data-section-id=\"1v2jhs6\" data-start=\"3941\" data-end=\"4021\"\u003eFeatures of the Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz:\u003c\/h2\u003e\r\n\u003cp data-start=\"4023\" data-end=\"4610\"\u003e• Si5351A-style programmable clock generator module\u003cbr data-start=\"4074\" data-end=\"4077\"\u003e • I2C control interface\u003cbr data-start=\"4100\" data-end=\"4103\"\u003e • Frequency range: 8kHz-160MHz\u003cbr data-start=\"4133\" data-end=\"4136\"\u003e • Three independent clock outputs\u003cbr data-start=\"4169\" data-end=\"4172\"\u003e • Designed for microcontroller-based frequency control\u003cbr data-start=\"4226\" data-end=\"4229\"\u003e • Suitable for Arduino, ESP32, Raspberry Pi, and compatible I2C controllers\u003cbr data-start=\"4304\" data-end=\"4307\"\u003e • Commonly used with 3V and 5V logic projects\u003cbr data-start=\"4352\" data-end=\"4355\"\u003e • Onboard reference crystal design\u003cbr data-start=\"4389\" data-end=\"4392\"\u003e • Breakout-board format for easier prototyping\u003cbr data-start=\"4438\" data-end=\"4441\"\u003e • Suitable for RF, clock, oscillator, and signal-generation experiments\u003cbr data-start=\"4512\" data-end=\"4515\"\u003e • Compact module for breadboard and jumper-wire development \u003c\/p\u003e\r\n\u003ch2 data-section-id=\"8jjfe\" data-start=\"4612\" data-end=\"4697\"\u003eApplications for the Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz:\u003c\/h2\u003e\r\n\u003cp data-start=\"4699\" data-end=\"5158\"\u003e• Arduino clock generator projects\u003cbr data-start=\"4733\" data-end=\"4736\"\u003e • Raspberry Pi frequency generator projects\u003cbr data-start=\"4779\" data-end=\"4782\"\u003e • ESP32 signal generator projects\u003cbr data-start=\"4815\" data-end=\"4818\"\u003e • RF signal experimentation\u003cbr data-start=\"4845\" data-end=\"4848\"\u003e • VFO projects\u003cbr data-start=\"4862\" data-end=\"4865\"\u003e • Amateur radio projects\u003cbr data-start=\"4889\" data-end=\"4892\"\u003e • Frequency synthesizer builds\u003cbr data-start=\"4922\" data-end=\"4925\"\u003e • Clock replacement projects\u003cbr data-start=\"4953\" data-end=\"4956\"\u003e • Oscillator prototyping\u003cbr data-start=\"4980\" data-end=\"4983\"\u003e • Test signal generation\u003cbr data-start=\"5007\" data-end=\"5010\"\u003e • SDR-related experimentation\u003cbr data-start=\"5039\" data-end=\"5042\"\u003e • Microcontroller timing projects\u003cbr data-start=\"5075\" data-end=\"5078\"\u003e • Electronics learning and lab projects\u003cbr data-start=\"5117\" data-end=\"5120\"\u003e • Custom embedded hardware development\u003c\/p\u003e\r\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"14bu82z\" data-start=\"5160\" data-end=\"5176\"\u003eCompatibility\u003c\/h2\u003e\r\n\u003cp data-start=\"5178\" data-end=\"5468\"\u003eThe Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz is designed for use with microcontrollers and development boards that support I2C communication. It is best suited to Arduino, ESP32, Raspberry Pi, and similar platforms where the user can control the module through software.\u003c\/p\u003e\r\n\u003cp data-start=\"5470\" data-end=\"5792\"\u003eThis module is commonly used in projects that require configurable clock outputs, frequency synthesis, oscillator replacement, RF experimentation, or a programmable signal source. It is suitable for electronics users who are comfortable connecting VCC, GND, SDA, SCL, and output pins to a compatible controller or circuit.\u003c\/p\u003e\r\n\u003cp data-start=\"5794\" data-end=\"6123\"\u003eThe module requires suitable software support, such as an Si5351-compatible Arduino library, ESP32 I2C code, Raspberry Pi I2C code, or other compatible embedded software. It is not a standalone bench signal generator and does not include a display, keypad, enclosure, USB interface, power supply, or finished instrument controls.\u003c\/p\u003e\r\n\u003cp data-start=\"6125\" data-end=\"6504\"\u003eFor Raspberry Pi use, ensure the I2C bus is enabled and the signal voltage is suitable for the Raspberry Pi GPIO environment. For Arduino and ESP32 use, confirm the board voltage, wiring, and library configuration before applying power. RF output use may require additional buffering, filtering, impedance matching, connectors, shielding, or calibration depending on the project.\u003c\/p\u003e\r\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"nucr17\" data-start=\"6676\" data-end=\"6704\"\u003eTechnical Specifications\u003c\/h3\u003e\r\n\u003cp data-start=\"6706\" data-end=\"7080\"\u003eCompatibility\u003cbr\u003e • Compatibility: Arduino, ESP32, Raspberry Pi, and compatible I2C microcontroller projects\u003cbr data-start=\"6810\" data-end=\"6813\"\u003e • Not Compatible With: Direct household mains power, standalone bench use without a controller, or plug-and-play audio output\u003cbr data-start=\"6938\" data-end=\"6941\"\u003e • Product Type: I2C clock generator breakout module\u003cbr data-start=\"6992\" data-end=\"6995\"\u003e • Chipset \/ Controller \/ Main Component: Si5351A-style programmable clock generator\u003c\/p\u003e\r\n\u003cp data-start=\"7082\" data-end=\"7480\"\u003eConnectivity \/ Electrical\u003cbr\u003e • Supply Voltage: Commonly used with 3V-5V DC breakout-board projects\u003cbr data-start=\"7177\" data-end=\"7180\"\u003e • Interface: I2C\u003cbr data-start=\"7196\" data-end=\"7199\"\u003e • Frequency Range: 8kHz-160MHz\u003cbr data-start=\"7229\" data-end=\"7232\"\u003e • Outputs: Three independent clock outputs\u003cbr data-start=\"7274\" data-end=\"7277\"\u003e • Output Type: Clock signal output for electronics and RF experimentation\u003cbr data-start=\"7350\" data-end=\"7353\"\u003e • Reference Clock: Onboard crystal reference design\u003cbr data-start=\"7404\" data-end=\"7407\"\u003e • Setup Required: Requires compatible wiring and software configuration\u003c\/p\u003e\r\n\u003cp data-start=\"7482\" data-end=\"8015\"\u003ePhysical \/ Package Information\u003cbr\u003e • Mounting \/ Pin Format: Breakout board for jumper-wire and breadboard-style prototyping\u003cbr data-start=\"7601\" data-end=\"7604\"\u003e • Board Dimensions: Not confirmed for this generic module\u003cbr data-start=\"7661\" data-end=\"7664\"\u003e • Included Items: 1x Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz\u003cbr data-start=\"7745\" data-end=\"7748\"\u003e • Sold As: Single module\u003cbr data-start=\"7772\" data-end=\"7775\"\u003e • Condition: New\u003cbr data-start=\"7791\" data-end=\"7794\"\u003e • Product Code: SI5351-I2C-CLKGEN-BRKOUT-8K160M-NZ\u003cbr data-start=\"7844\" data-end=\"7847\"\u003e • Product Category: Clock Generator Module\u003cbr data-start=\"7889\" data-end=\"7892\"\u003e • Applications: Arduino projects, ESP32 projects, Raspberry Pi, RF experiments, VFO, frequency synthesis, clock replacement\u003c\/p\u003e\r\n\u003ch3 data-start=\"7482\" data-end=\"8015\"\u003e⚠️ Limitations\u003c\/h3\u003e\r\n\u003cp data-start=\"8042\" data-end=\"9132\"\u003e• \u003cstrong data-start=\"8044\" data-end=\"8082\"\u003eNot a standalone signal generator:\u003c\/strong\u003e This module requires a compatible microcontroller, wiring, and software configuration.\u003cbr data-start=\"8169\" data-end=\"8172\"\u003e • \u003cstrong data-start=\"8174\" data-end=\"8198\"\u003eNot for mains power:\u003c\/strong\u003e Do not connect this module directly to 230V or 240V household electricity.\u003cbr data-start=\"8273\" data-end=\"8276\"\u003e • \u003cstrong data-start=\"8278\" data-end=\"8316\"\u003eNo finished enclosure or controls:\u003c\/strong\u003e This is a breakout board, not a complete bench instrument with a case, display, buttons, or USB control interface.\u003cbr data-start=\"8431\" data-end=\"8434\"\u003e • \u003cstrong data-start=\"8436\" data-end=\"8464\"\u003eSoftware setup required:\u003c\/strong\u003e Frequency output depends on correct I2C communication and compatible Si5351 control code.\u003cbr data-start=\"8554\" data-end=\"8557\"\u003e • \u003cstrong data-start=\"8559\" data-end=\"8595\"\u003eRF use may need extra circuitry:\u003c\/strong\u003e Projects involving RF output may require buffering, filtering, shielding, impedance matching, or SMA\/coax hardware.\u003cbr data-start=\"8711\" data-end=\"8714\"\u003e • \u003cstrong data-start=\"8716\" data-end=\"8744\"\u003eOutput drive is limited:\u003c\/strong\u003e The module is intended for clock and signal-level electronics work, not for directly driving heavy loads.\u003cbr data-start=\"8850\" data-end=\"8853\"\u003e • \u003cstrong data-start=\"8855\" data-end=\"8889\"\u003eCompatibility must be checked:\u003c\/strong\u003e Confirm voltage levels, I2C wiring, library support, and project requirements before purchase.\u003cbr data-start=\"8984\" data-end=\"8987\"\u003e • \u003cstrong data-start=\"8989\" data-end=\"9016\"\u003eNo audio amplification:\u003c\/strong\u003e This module generates clock\/signal outputs and is not an audio amplifier, speaker driver, or music playback module.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1x Si5351 Module I2C Clock Generator Breakout Board 8kHz-160MHz.\u003c\/p\u003e\r\n\u003cp\u003e*Does not include a: Arduino board, ESP32 board, Raspberry Pi, jumper wires, breadboard, SMA connector, antenna, coaxial cable, power supply, USB cable, enclosure, display, keypad, or programming software. The image is for illustrative purposes only. Due to variations in camera settings, lighting, manufacturing processes, monitors, and supply, colours may differ. Product appearance and specifications are subject to change without notice.\u003c\/p\u003e\r\n\u003cp\u003eCombine \u0026amp; Save. Explore our range of cables, parts and accessories.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003eWe offer \u003cstrong\u003e\u003cstrong\u003ebulk discounts\u003c\/strong\u003e\u003c\/strong\u003e to New Zealand-based \u003cstrong\u003e\u003cstrong\u003ebusinesses\u003c\/strong\u003e, \u003cstrong\u003eschools\u003c\/strong\u003e, \u003c\/strong\u003eand \u003cstrong\u003e\u003cstrong\u003egovernment agencies\u003c\/strong\u003e — \u003cstrong\u003econtact us for pricing on larger orders!\u003cbr\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\u003cstrong\u003eWarranty \u0026amp; Returns:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/div\u003e\r\n\u003cdiv\u003e14-day 'change of mind' return in unused condition for a refund less shipping fees.\u003cbr\u003e1-Year return-to-base refund or replacement guarantee.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003eWe welcome and answer all questions. Can’t find what you need?\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cstrong\u003e \u003cstrong\u003e\u003ca title=\"Techexpress NZ - Contact Us\" href=\"https:\/\/www.techexpress.co.nz\/pages\/contact-us\" target=\"_blank\" data-sentry-element=\"Link\" data-sentry-component=\"SXLink\" data-sentry-source-file=\"SXLink.tsx\" data-discover=\"true\"\u003eContact us\u003c\/a\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cstrong\u003e\u003cstrong\u003e and we’ll help you find the right product.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\n\u003c\/div\u003e","brand":"Techexpress NZ","offers":[{"title":"Default","offer_id":43066716749922,"sku":"SI5351-I2C-CLKGEN-BRKOUT-8K160M-NZ","price":9.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1907\/5887\/files\/1__2__TRN5OE1CMILB.jpeg?v=1782501398","url":"https:\/\/www.techexpress.co.nz\/products\/si5351-module","provider":"Techexpress NZ","version":"1.0","type":"link"}