{"product_id":"teensy-4-1-development-board","title":"Teensy 4.1 Development Board - DEV-16771","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n \u003ch2\u003eFlagship Teensy Board for High-Speed I\/O, Ethernet, SD, and Memory Expansion\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eTeensy 4.1 Development Board\u003c\/strong\u003e is the larger and more expandable sibling of Teensy 4.0. It keeps the same 600 MHz Cortex-M7 core while adding more pins, more storage features, Ethernet hardware support, and extra room for memory expansion.\u003c\/p\u003e\n\n \u003cp\u003eIt is a strong choice for advanced embedded systems, gateways, industrial-style controllers, high-end audio builds, large LED and display projects, and prototypes that need more I\/O headroom.\u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eImportant:\u003c\/strong\u003e Teensy 4.1 is a \u003cstrong\u003e3.3V-only\u003c\/strong\u003e board. Its digital pins are \u003cstrong\u003enot 5V tolerant\u003c\/strong\u003e, so use level shifting if your project has 5V signals.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eSame fast 600 MHz core as Teensy 4.0:\u003c\/strong\u003e Excellent for heavy real-time processing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore I\/O than Teensy 4.0:\u003c\/strong\u003e Better for wide interfaces and larger systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for expansion:\u003c\/strong\u003e Adds SD, Ethernet support, and extra memory options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong for advanced embedded work:\u003c\/strong\u003e A great fit for serious prototypes and end-use controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest all-around choice in this group:\u003c\/strong\u003e Combines speed, memory, and connectivity\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eComparison table\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003cth\u003eCore \/ Speed\u003c\/th\u003e\n\u003cth\u003eMain edge\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/teensy-3-6-without-headers\"\u003eTeensy 3.6 without headers\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eBigger legacy builds, audio, USB host\u003c\/td\u003e\n\u003ctd\u003e32-bit Cortex-M4 \/ 180 MHz\u003c\/td\u003e\n\u003ctd\u003eLegacy high-end 3.x board with USB host\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/teensy-4-0-boards-teensy-4-0-teensy\"\u003eTeensy 4.0\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFast DSP, displays, robotics, compact high-speed work\u003c\/td\u003e\n\u003ctd\u003e32-bit Cortex-M7 \/ 600 MHz\u003c\/td\u003e\n\u003ctd\u003eVery high speed in a tiny footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/teensy-4-1-development-board\"\u003eTeensy 4.1 Development Board\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eLarge systems, Ethernet, SD, memory expansion\u003c\/td\u003e\n\u003ctd\u003e32-bit Cortex-M7 \/ 600 MHz\u003c\/td\u003e\n\u003ctd\u003eMost I\/O, SD, Ethernet, memory expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/circuit.rocks\/products\/teensy-3-5-without-headers\"\u003eTeensy 3.5 without headers\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eMore I\/O with easier 5V digital interfacing\u003c\/td\u003e\n\u003ctd\u003e32-bit Cortex-M4 \/ 120 MHz\u003c\/td\u003e\n\u003ctd\u003eMore I\/O and 5V-tolerant digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003eUse it for Ethernet-connected controllers, complex synth or audio systems, large robotics, SD-heavy loggers, USB host tools, display engines, and advanced sensor hubs with lots of I\/O.\u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003ePopular pairings include the \u003ca href=\"\/products\/teensy-audio-shield-rev-teensy\"\u003eTeensy 4 Audio Shield\u003c\/a\u003e, Ethernet parts, USB host accessories, storage, and memory expansion parts depending on your design.\u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003eRecommended add-ons include audio hardware, Ethernet kits, USB host cables, PSRAM or supported memory parts, displays, and sensors that need many serial or digital lines.\u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eTeensy 4.1 Development Board\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMain MCU\u003c\/th\u003e\n\u003ctd\u003eARM Cortex-M7\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eClock Speed\u003c\/th\u003e\n\u003ctd\u003e600 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMemory\u003c\/th\u003e\n\u003ctd\u003e7936 KB Flash, 1024 KB RAM, 4 KB EEPROM emulated\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eUSB\u003c\/th\u003e\n\u003ctd\u003eUSB device 480 Mbit\/sec and USB host 480 Mbit\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eI\/O Pins\u003c\/th\u003e\n\u003ctd\u003e55 digital I\/O, 35 PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAnalog\u003c\/th\u003e\n\u003ctd\u003e18 analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003e8 Serial, 3 SPI, 3 I2C, 3 CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage and Expansion\u003c\/th\u003e\n\u003ctd\u003eNative SD card, QSPI memory expansion, Ethernet support\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLogic Notes\u003c\/th\u003e\n\u003ctd\u003eAccepts 0 to 3.3V signals only; not 5V tolerant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; power notes\u003c\/h3\u003e\n \u003cp\u003eTeensy 4.1 brings many more edge-accessible signals than 4.0 and adds strong expansion options, but it remains a 3.3V logic platform. Plan level shifting if you need to talk to 5V devices.\u003c\/p\u003e\n\n \u003ch3\u003eOfficial resources\u003c\/h3\u003e\n \u003cp\u003e\u003ca href=\"https:\/\/www.pjrc.com\/teensy\/techspecs.html\" target=\"_blank\" rel=\"noopener\"\u003eOfficial technical specs\u003c\/a\u003e · \u003ca href=\"https:\/\/www.pjrc.com\/teensy\/pinout.html\" target=\"_blank\" rel=\"noopener\"\u003ePinout reference\u003c\/a\u003e · \u003ca href=\"https:\/\/www.pjrc.com\/teensy\/schematic.html\" target=\"_blank\" rel=\"noopener\"\u003eSchematic reference\u003c\/a\u003e · \u003ca href=\"https:\/\/www.pjrc.com\/teensy\/td_download.html\" target=\"_blank\" rel=\"noopener\"\u003eTeensyduino setup\u003c\/a\u003e\u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e1 × Teensy 4.1 Development Board\u003c\/p\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhy choose 4.1 over 4.0?\u003c\/strong\u003e Choose 4.1 when you need more pins, Ethernet support, SD features, or memory expansion.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eIs it still as fast as 4.0?\u003c\/strong\u003e Yes. Both use the same 600 MHz Cortex-M7 core.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eCan I use 5V sensors directly?\u003c\/strong\u003e Only with proper level shifting, because the digital pins are not 5V tolerant.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eIs this the best Teensy for larger systems?\u003c\/strong\u003e Yes. It is usually the strongest all-around option in the Teensy range.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":45837655441697,"sku":"DEV-16771","price":2316.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/products\/teensy-4-1-development-board-2172.jpg?v=1689741112","url":"https:\/\/circuit.rocks\/products\/teensy-4-1-development-board","provider":"circuitrocks","version":"1.0","type":"link"}