{"product_id":"wisblock-rak15001-flash-module-gigadevice-gd25q16","title":"WisBlock RAK15001 Flash Module GigaDevice GD25Q16","description":"\u003cmeta name=\"description\" content=\"Buy WisBlock RAK15001 Flash Module GigaDevice GD25Q16 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\n\u003ch1\u003eWisBlock RAK15001 Flash Module GigaDevice GD25Q16\u003c\/h1\u003e\n\n\u003cp\u003eThe WisBlock RAK15001 is a high-performance flash memory expansion module featuring the GigaDevice GD25Q16 serial NOR flash chip, designed for IoT and embedded systems requiring reliable non-volatile storage. Professional developers and embedded systems engineers use this module to expand data logging, firmware storage, and configuration memory capabilities in RAK WisBlock-based applications. This product solves the critical challenge of limited onboard storage in resource-constrained IoT devices by providing 16 megabits of fast, low-power flash memory with industry-standard SPI interface compatibility.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe WisBlock RAK15001 Flash Module integrates the GigaDevice GD25Q16 serial NOR flash memory chip on a standardized WisBlock connector form factor, enabling plug-and-play expansion of storage capacity in RAK WisBlock development boards and custom IoT solutions. The GD25Q16 operates using the Serial Peripheral Interface (SPI) protocol, delivering read speeds up to 50 MHz with configurable clock frequencies to match your microcontroller capabilities. This module excels in applications requiring frequent data updates, sensor logging, and firmware over-the-air (OTA) update support, with ultra-low standby current consumption ideal for battery-powered deployments.\u003c\/p\u003e\n\n\u003cp\u003eThe flash memory architecture supports standard SPI commands including read, write, erase, and program operations with sector-level granularity, allowing precise data management and efficient memory utilization. The GD25Q16 features 512 sectors of 4KB each, enabling flexible data organization for logging timestamps, sensor readings, configuration parameters, and application firmware. Built-in write protection mechanisms and status register controls provide data integrity safeguards, while the module's compact WisBlock form factor maintains system modularity and simplifies integration into existing RAK ecosystems without requiring complex PCB redesign.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWisBlock Flash Memory Expansion Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Chip\u003c\/td\u003e\n\u003ctd\u003eGigaDevice GD25Q16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Capacity\u003c\/td\u003e\n\u003ctd\u003e16 Megabits (2 Megabytes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSerial Peripheral Interface (SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Clock Speed\u003c\/td\u003e\n\u003ctd\u003e50 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 50 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrite Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 25 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSector Size\u003c\/td\u003e\n\u003ctd\u003e4 KB (512 sectors total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e2.7V to 3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003eLess than 10 microamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eWisBlock Standard Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRAK Wireless \/ GigaDevice\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 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e16 Megabit Serial NOR Flash Memory with GigaDevice GD25Q16 chip providing reliable non-volatile storage for IoT applications and embedded systems\u003c\/li\u003e\n\u003cli\u003e50 MHz SPI Interface enabling fast read\/write operations with configurable clock speeds to match microcontroller performance requirements\u003c\/li\u003e\n\u003cli\u003eUltra-Low Power Consumption with standby current below 10 microamps, ideal for battery-powered and energy-harvesting IoT deployments\u003c\/li\u003e\n\u003cli\u003e512 Sectors of 4KB each allowing granular data management for sensor logging, firmware storage, and configuration parameter persistence\u003c\/li\u003e\n\u003cli\u003eWisBlock Standard Connector providing plug-and-play integration with RAK WisBlock development boards without soldering or complex PCB modifications\u003c\/li\u003e\n\u003cli\u003eExtended Temperature Range from -40°C to +85°C supporting industrial and harsh environment applications\u003c\/li\u003e\n\u003cli\u003eWrite Protection and Status Register Controls ensuring data integrity and preventing accidental overwrites during system operation\u003c\/li\u003e\n\u003cli\u003eStandard SPI Command Set supporting read, write, erase, and program operations compatible with industry-standard microcontroller libraries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eEnvironmental Data Logging: Store continuous sensor readings from temperature, humidity, and air quality sensors with timestamp information for long-term environmental monitoring and analysis\u003c\/li\u003e\n\u003cli\u003eFirmware Over-The-Air Updates: Maintain dual firmware images or staging areas for OTA update operations in remote IoT devices without requiring external storage infrastructure\u003c\/li\u003e\n\u003cli\u003eConfiguration and Calibration Data: Persist device-specific parameters, calibration coefficients, and user settings that survive power cycles and system resets\u003c\/li\u003e\n\u003cli\u003eTime-Series Data Collection: Buffer accelerometer, gyroscope, and pressure sensor data for wearables and motion tracking applications before cloud transmission\u003c\/li\u003e\n\u003cli\u003eEvent Logging and Diagnostics: Record system events, error codes, and operational metrics for post-mortem analysis and remote device troubleshooting\u003c\/li\u003e\n\u003cli\u003eMachine Learning Model Storage: Store lightweight neural network weights and inference models for edge AI applications on resource-constrained IoT platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eTo integrate the WisBlock RAK15001 Flash Module into your project, first identify the appropriate WisBlock slot on your RAK development board designated for IO expansion modules. Insert the module into the connector with the component side facing upward, ensuring proper alignment with the keyed connector pins. The module will automatically establish SPI communication through the standardized WisBlock bus without requiring additional wiring or configuration jumpers. In your firmware, initialize the SPI peripheral with a clock speed between 1 MHz and 50 MHz depending on your microcontroller capabilities and desired performance, then use standard SPI commands to read, write, and erase flash sectors.\u003c\/p\u003e\n\n\u003cp\u003eConfigure your microcontroller's SPI master interface with CPOL=0 and CPHA=0 timing modes, which are standard for GigaDevice flash chips. Use the chip select (CS) pin connected through the WisBlock bus to frame SPI transactions, sending command bytes followed by address and data bytes as required by the GD25Q16 datasheet. Implement sector-level erase operations before writing new data, as the GD25Q16 requires erased memory (all bits set to 1) before programming. Monitor the write-in-progress (WIP) bit in the status register to ensure erase and program operations complete before initiating subsequent commands, preventing data corruption from interrupted writes.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the GD25Q16 and other flash chips in the GigaDevice lineup?\u003c\/summary\u003e\n\u003cp\u003eThe GD25Q16 provides 16 megabits of storage with a 50 MHz maximum clock speed and standard SPI interface, making it ideal for moderate-capacity storage applications. Compared to smaller chips like GD25Q10 (1 megabit), it offers 16x more storage for complex logging and firmware scenarios. Compared to larger variants like GD25Q32 (32 megabits), it consumes less power and board space while remaining sufficient for most IoT applications. The GD25Q16 strikes an optimal balance between capacity, power consumption, and cost for WisBlock-based systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this module for storing executable firmware or only data?\u003c\/summary\u003e\n\u003cp\u003eThe GD25Q16 is a data flash memory, not a code flash memory designed for direct execution. You can store firmware images for over-the-air updates, bootloader code, or application binaries that are read and copied to executable RAM or code flash during boot. Many IoT applications use this module as a staging area for new firmware versions, with the bootloader reading from this flash and programming the main code flash only after verification. This approach enables secure firmware updates without requiring external programming equipment.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the expected lifespan of the GD25Q16 in terms of write cycles?\u003c\/summary\u003e\n\u003cp\u003eThe GigaDevice GD25Q16 is rated for a minimum of 100,000 program\/erase cycles per sector, which is typical for commercial-grade serial NOR flash. For most IoT applications with occasional configuration updates or periodic data logging, this lifespan exceeds 10 years of continuous operation. If your application requires frequent writes to the same sectors, implement wear-leveling algorithms that distribute writes across multiple sectors to maximize flash longevity. Monitor write patterns during development to ensure your application doesn't exceed sustainable write frequencies.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs the WisBlock RAK15001 compatible with all RAK development boards?\u003c\/summary\u003e\n\u003cp\u003eThe RAK15001 is compatible with any RAK WisBlock board featuring IO expansion slots with standard WisBlock connectors. This includes popular boards like RAK4631, RAK3172, and RAK5005-O. However, verify your specific board's documentation to confirm IO slot availability and SPI pin assignments. Some boards may have limited IO slots if other expansion modules are already installed. Contact our technical support team with your board model number for compatibility confirmation.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy WisBlock RAK15001 Flash Module GigaDevice GD25Q16 Online in India\u003c\/h2\u003e\n\n\u003cp\u003ePurchase the \u003cstrong\u003eWisBlock RAK15001 Flash Module GigaDevice GD25Q16\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43856840687779,"sku":"TES-EV00082399","price":876.62,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/RAK15001-228x228.jpg?v=1704281591","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/wisblock-rak15001-flash-module-gigadevice-gd25q16","provider":"The Engineer Store","version":"1.0","type":"link"}