{"product_id":"ad9833-programmable-dds-signal-generator-module-sine-square-wave-spi","title":"AD9833 DDS Signal Generator Module – Sine Square Wave SPI","description":"\u003ch2\u003eAD9833 Programmable DDS Signal Generator Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAD9833 Programmable DDS Signal Generator Module\u003c\/strong\u003e is a compact, versatile waveform generation board built around Analog Devices' AD9833 direct digital synthesis (DDS) chip. Whether you're prototyping circuits, developing embedded systems, or experimenting with signal processing, this module delivers clean, programmable sine, square, and triangle waveforms via a simple 3-wire SPI serial interface — compatible with Arduino, STM32, Raspberry Pi, and most microcontrollers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaveform Types:\u003c\/strong\u003e Sine, square, and triangle wave outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Interface:\u003c\/strong\u003e 3-wire SPI (SDATA, SCLK, FSYNC) for easy microcontroller integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Voltage Logic Input:\u003c\/strong\u003e 1.7 V – 2.8 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Logic Input:\u003c\/strong\u003e 0.5 V – 0.7 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e SMD (Surface-Mount Device)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Fully programmable frequency and phase registers for flexible output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eCompatible with Arduino and other popular development platforms\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is DDS (Direct Digital Synthesis)?\u003c\/h3\u003e\n\u003cp\u003eDirect Digital Synthesis is a method of generating precise, stable waveforms digitally. The AD9833 chip uses this technique to produce highly accurate frequency outputs with minimal hardware. Simply send frequency and phase data over the SPI bus and the module outputs your desired waveform instantly — making it ideal for test equipment, audio signal generation, sensor excitation, and embedded electronics projects.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics prototyping and circuit testing\u003c\/li\u003e\n  \u003cli\u003eEmbedded systems development (Arduino, STM32, Raspberry Pi)\u003c\/li\u003e\n  \u003cli\u003eSignal processing and frequency synthesis experiments\u003c\/li\u003e\n  \u003cli\u003eFunction generator projects\u003c\/li\u003e\n  \u003cli\u003eSensor excitation and measurement systems\u003c\/li\u003e\n  \u003cli\u003eEducational electronics and engineering labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAD9833\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-wire SPI (Serial Peripheral Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Waveforms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSine, Square, Triangle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh Voltage Logic Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.7 V – 2.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Voltage Logic Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 V – 0.7 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustomizable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more components and DIY project supplies? Browse related items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads – DIY Jewelry Making 100–200pcs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the AD9833 DDS Signal Generator Module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The AD9833 DDS Signal Generator Module is used to generate precise programmable waveforms — including sine, square, and triangle waves — via a serial SPI interface. It is widely used in electronics prototyping, embedded systems development, function generator builds, audio signal generation, and engineering lab experiments with platforms like Arduino, STM32, and Raspberry Pi.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the AD9833 module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The AD9833 module communicates over a standard 3-wire SPI (Serial Peripheral Interface) bus, making it fully compatible with Arduino, STM32, Raspberry Pi, and virtually any microcontroller that supports SPI communication. Many open-source libraries are available to simplify programming the frequency and phase registers.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What waveforms can the AD9833 module output?\u003c\/h4\u003e\n\u003cp\u003eA: The AD9833 module can output sine waves, square waves, and triangle waves. The output waveform type is selected programmatically by writing to the module's control register over the SPI interface, giving you full flexibility within your firmware or sketch.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage levels does the AD9833 module support?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports a high voltage logic input range of 1.7 V to 2.8 V and a low voltage logic input range of 0.5 V to 0.7 V, making it suitable for a wide range of low-voltage microcontroller and development board environments.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the AD9833 DDS Signal Generator Module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AD9833 DDS Signal Generator Module is used to generate precise programmable waveforms — including sine, square, and triangle waves — via a serial SPI interface. 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