{"product_id":"waveshare-31522-esp32-p4-4-inch-round-touch-display-development-board-720-720-resolution","title":"Waveshare 31522 ESP32-P4 4 Inch Round Touch Display Development Board 720 × 720 Resolution","description":"\u003cbr\u003e1. This product is a high-performance development board based on the ESP32-P4 chip, featuring a dual-core plus single-core RISC-V architecture. It is equipped with a 4-inch, 720 × 720 resolution IPS circular touchscreen display and supports a wide range of human-machine interaction interfaces, including MIPI-CSI (with an integrated Image Signal Processor\/ISP). It also supports USB OTG 2.0 HS for high-speed connectivity and features an onboard 40-pin GPIO expansion header compatible with select Raspberry Pi HATs, enabling broader application adaptability. The ESP32-P4 chip integrates digital signature peripherals and a dedicated key management unit to ensure data and operational security; designed for high-performance and high-security applications, it fully meets the demanding requirements of embedded systems regarding HMI support, edge computing capabilities, and I\/O connectivity.\u003cbr\u003e2. High-performance MCU featuring RISC-V 32-bit dual-core and single-core processors\u003cbr\u003e3. 128 KB HP ROM, 16 KB LP ROM, 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM\u003cbr\u003e4. Powerful image and audio processing capabilities; interfaces include a JPEG codec, Pixel Processing Accelerator (PPA), Image Signal Processor (ISP), and H.264 video encoder\u003cbr\u003e5. 32 MB PSRAM stacked within the chip package; 32 MB NOR Flash integrated externally\u003cbr\u003e6. Onboard peripheral interfaces include MIPI-CSI, MIPI-DSI, USB 2.0 OTG HS, SDIO 3.0 TF card slot, dual microphones (supporting echo cancellation), speaker terminals, and RTC battery terminals\u003cbr\u003e7. Onboard 2 × 20 pin header exposing 28 additional programmable GPIOs\u003cbr\u003e8. Security mechanisms: Secure Boot, Flash encryption, hardware encryption accelerators, and a hardware random number generator. It also supports hardware access protection, enabling Access Permission Management (APM) and separation of privileges.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e1. Resolution: 720 × 720 pixels (H×V)\u003cbr\u003e2. Color Gamut: 60% NTSC\u003cbr\u003e3. Contrast Ratio: 1200:1\u003cbr\u003e4. Touch Controller IC: GT9271\u003cbr\u003e5. Communication Interface: MIPI 2-lane\u003cbr\u003e6. Brightness: 350 cd\/m2\u003cbr\u003e7. Outline Dimensions: 126.00 × 126.00 (mm)\u003cbr\u003e8. Display Area: 101.52 × 101.52 (mm)\u003cbr\u003e\u003cdiv class=\"params_begin\"\u003eSpecification:\u003c\/div\u003e\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\r\n\u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n  \u003ctr\u003e\r\n\t\u003ctd style=\"border: none; padding: 5px; width: 15%;\"\u003e\r\n\t\t\tPackage Weight\r\n\t\t\u003c\/td\u003e\r\n\t\u003ctd style=\"border: none; padding: 0;\"\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t0.35kgs \/ 0.78lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eOne Package Size\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t16cm * 16cm * 5cm \/ 6.3inch * 6.3inch * 1.97inch\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eQty per Carton\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t60\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Weight\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t21.30kgs \/ 46.96lb\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv style=\"border-bottom: 1px dashed #e0e0e0;\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eCarton Size\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t30cm * 44cm * 32cm \/ 11.81inch * 17.32inch * 12.6inch\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\t\u003cdiv class=\"params_prop last_prop\"\u003e\r\n\t\t  \u003ctable border=\"0\" style=\"margin-bottom: 0;\"\u003e\r\n\t\t\t\u003ctr\u003e\r\n\t\t\t\t\t\u003ctd style=\"border: none; padding: 5px; width: 25%;\"\u003eLoading Container\u003c\/td\u003e\r\n\t\t\t\u003ctd style=\"border: none; padding: 5px;\"\u003e\r\n\t\t\t\t\t\t\t\t20GP: 631 cartons * 60 pcs = 37860 pcs\u003cbr\u003e\r\n\t\t\t\t\t\t\t\t40HQ: 1465 cartons * 60 pcs = 87900 pcs\u003cbr\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\t\t\t\u003c\/tr\u003e\r\n\t\t  \u003c\/table\u003e\r\n\t\t\u003c\/div\u003e\r\n\t\t\u003c\/td\u003e\r\n  \u003c\/tr\u003e\r\n\u003c\/table\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv style=\"border-top: 1px solid #e0e0e0;\"\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"MiOT Store","offers":[{"title":"Default Title","offer_id":53846399877427,"sku":"TBD06070921","price":93.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6170\/2707\/files\/TBD06070921.jpg?v=1786520385","url":"https:\/\/miot-store.com\/products\/waveshare-31522-esp32-p4-4-inch-round-touch-display-development-board-720-720-resolution","provider":"MiOT Store","version":"1.0","type":"link"}