{"product_id":"attiny85-digispark-development-board","title":"Digispark ATtiny85 Development Board — Arduino Compatible Microcontroller","description":"\u003ch2\u003e💡 Overview\u003c\/h2\u003e\n\u003cp\u003eThe Digispark ATtiny85 is a tiny, Arduino-compatible development board built around the Atmel\/Microchip ATtiny85 microcontroller. Despite being smaller than a quarter, it features a built-in USB-A plug, an on-board voltage regulator, and the Micronucleus USB bootloader — letting you program it directly from the Arduino IDE without a separate programmer. Just plug it into any USB-A port, upload your code, and you're running.\u003c\/p\u003e\n\u003ch2\u003e⭐ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Design\u003c\/strong\u003e — Smaller than a quarter, perfect for embedding into tight spaces and portable projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In USB-A Plug\u003c\/strong\u003e — Plugs directly into any USB-A port for programming and power — no cables needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino IDE Compatible\u003c\/strong\u003e — Program using the familiar Arduino IDE with Digistump board support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicronucleus USB Bootloader\u003c\/strong\u003e — No external programmer required; upload sketches directly over USB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 I\/O Pins\u003c\/strong\u003e — Supports digital I\/O, PWM (3 pins), and analog input (4 channels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Board LED\u003c\/strong\u003e — Built-in LED on pin P1 for easy testing and debugging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-Board 5V Regulator\u003c\/strong\u003e — Can also be powered via VIN pin (7–12V) for standalone projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB HID Capable\u003c\/strong\u003e — Can emulate USB keyboards, mice, and other HID devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📋 Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eMicrochip ATtiny85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003e8-bit AVR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e16.5 MHz (internal PLL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e8 KB (~6 KB available after bootloader)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e512 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM\u003c\/td\u003e\n\u003ctd\u003e512 bytes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e6 (P0–P5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Outputs\u003c\/td\u003e\n\u003ctd\u003e3 (P0, P1, P4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Channels\u003c\/td\u003e\n\u003ctd\u003e4 (P2, P3, P4, P5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (VIN)\u003c\/td\u003e\n\u003ctd\u003e7–12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Interface\u003c\/td\u003e\n\u003ctd\u003eBuilt-in USB-A plug (USB 1.1 Low Speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBootloader\u003c\/td\u003e\n\u003ctd\u003eMicronucleus (V-USB based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Board LED\u003c\/td\u003e\n\u003ctd\u003eYes — connected to P1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 25 × 18 mm (0.98 × 0.71 inches) L × W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e📌 Pin Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eDigital I\/O\u003c\/th\u003e\n\u003cth\u003ePWM\u003c\/th\u003e\n\u003cth\u003eAnalog In\u003c\/th\u003e\n\u003cth\u003eSpecial Function\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eP0\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eSDA (I2C), MOSI (SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP1\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eMISO (SPI), On-Board LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP2\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eA1\u003c\/td\u003e\n\u003ctd\u003eSCL (I2C), SCK (SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP3\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eA3\u003c\/td\u003e\n\u003ctd\u003eUSB D+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP4\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eA2\u003c\/td\u003e\n\u003ctd\u003eGeneral Purpose (safest pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eP5\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eA0\u003c\/td\u003e\n\u003ctd\u003eRESET (do not reconfigure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e🎯 Typical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUSB HID devices — custom keyboards, macros, shortcuts, and mouse emulators\u003c\/li\u003e\n\u003cli\u003eLED controllers and RGB lighting effects\u003c\/li\u003e\n\u003cli\u003eSensor data logging (temperature, light, humidity)\u003c\/li\u003e\n\u003cli\u003eWearable electronics and compact embedded projects\u003c\/li\u003e\n\u003cli\u003eHome automation triggers and IoT sensor nodes\u003c\/li\u003e\n\u003cli\u003eEducational projects and learning Arduino programming\u003c\/li\u003e\n\u003cli\u003eRapid prototyping of simple control circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Digispark ATtiny85 Development Board (USB-A)\u003c\/li\u003e\n\u003cli\u003eHeader pins (require soldering)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe Digispark uses a unique upload process: click Upload in the Arduino IDE first, then plug in the board when prompted. The bootloader only listens for new code for ~5 seconds after power-on. See the \u003ca rel=\"noopener\" title=\"Digispark ATtiny85 Development Board User Guide - Classic USB-A \u0026amp; USB-C Versions\" href=\"https:\/\/envistiamall.com\/blogs\/learn\/digispark-attiny85-development-board-user-guide\" target=\"_blank\"\u003eUser Guide\u003c\/a\u003e for more details and extensive programming instructions \u003c\/li\u003e\n\u003cli\u003eWindows users must install Digistump USB drivers before first use. See the \u003ca href=\"https:\/\/envistiamall.com\/blogs\/learn\/digispark-attiny85-development-board-user-guide\" title=\"Digispark ATtiny85 Development Board User Guide - Classic USB-A \u0026amp; USB-C Versions\" rel=\"noopener\" target=\"_blank\"\u003eUser Guide\u003c\/a\u003e for instructions.\u003c\/li\u003e\n\u003cli\u003eThe ATtiny85 does not have a hardware UART — the standard Arduino Serial Monitor is not available.\u003c\/li\u003e\n\u003cli\u003eWith ~6 KB of usable flash memory, keep sketches small and avoid large libraries.\u003c\/li\u003e\n\u003cli\u003ePin P5 is the RESET pin. Reconfiguring it as I\/O will permanently disable USB programming.\u003c\/li\u003e\n\u003cli\u003eFor best results, use a USB 2.0 port. Some USB 3.0 controllers may have compatibility issues with low-speed USB devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📄 Documentation \u0026amp; Resources\u003c\/h2\u003e\n\u003cp\u003eFor detailed setup instructions, Arduino IDE configuration, driver installation, wiring diagrams, and example projects, see our comprehensive User Guide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Digispark ATtiny85 Development Board User Guide - Classic USB-A \u0026amp; USB-C Versions\" href=\"https:\/\/envistiamall.com\/blogs\/learn\/digispark-attiny85-development-board-user-guide\" target=\"_blank\"\u003eDigispark ATtiny85 Development Board User Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"Arduino-compatible microcontroller development board User Guides\" href=\"https:\/\/envistiamall.com\/blogs\/learn\/tagged\/microcontrollers-arduino\" target=\"_blank\"\u003eAll Arduino-Compatible Microcontroller User Guides\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eSold and supported by\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/envistiamall.com\/\" target=\"_blank\"\u003eEnvistia Mall\u003c\/a\u003e. Ships from the USA. For wiring diagrams and troubleshooting, see the User Guide.\u003cspan\u003e \u003c\/span\u003eThe manufacturer and Envistia LLC (dba Envistia Mall) are not responsible for any damages or losses resulting from the use of this product. Always follow proper electrical safety practices when working with electronic components. Specifications are based on manufacturer data and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Envistia","offers":[{"title":"Default Title","offer_id":28453781449,"sku":"EM-MICRP-0005","price":5.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/Digispark_USB-1-NOWM-NOUS.jpg?v=1777588066","url":"https:\/\/envistiamall.com\/products\/attiny85-digispark-development-board","provider":"Envistia Mall","version":"1.0","type":"link"}