{"product_id":"digispark-attiny85-micro-development-board-arduino-usb-i2c","title":"Digispark ATTINY85 Micro Dev Board – Arduino USB I2C","description":"\n\u003ch2\u003eDigispark ATTINY85 Micro Development Board – Compact Arduino-Compatible Module\u003c\/h2\u003e\n\u003cp\u003eTake your maker projects to the next level with the \u003cstrong\u003eDigispark ATTINY85 Micro Development Board\u003c\/strong\u003e — a tiny yet powerful microcontroller module fully compatible with the Arduino IDE. Whether you're a hobbyist, student, or embedded systems enthusiast, this compact board packs impressive functionality into an incredibly small footprint. Made in China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino IDE Compatible:\u003c\/strong\u003e Supports Arduino IDE 1.0+ on macOS, Windows, and Linux — get started in minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Options:\u003c\/strong\u003e Power via USB or an external source (5V or 7–35V) with automatic source selection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-Board 500mA 5V Voltage Regulator:\u003c\/strong\u003e Stable power delivery for your circuits and peripherals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in USB Interface:\u003c\/strong\u003e Program and communicate directly over USB — no extra programmer needed. Includes serial debugging support.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 I\/O Pins:\u003c\/strong\u003e Up to 6 general-purpose I\/O pins available; 2 are shared with USB (usable for I\/O when not actively communicating over USB).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8KB Flash Memory:\u003c\/strong\u003e ~6KB available after bootloader — plenty for lightweight embedded applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C \u0026amp; SPI Support:\u003c\/strong\u003e Via USI (Universal Serial Interface) for easy sensor and peripheral integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM on 3 Pins:\u003c\/strong\u003e Hardware PWM on 3 pins, with additional software PWM possible.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Channel ADC:\u003c\/strong\u003e Analog-to-digital conversion on 4 pins for reading analog sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus LEDs:\u003c\/strong\u003e Onboard Power LED and a Test\/Status LED on Pin 0 for quick visual feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eATtiny85\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8KB (approx. 6KB usable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM Pins\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 (hardware), more via software\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eADC Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB, I2C, SPI (USI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (USB) or 7–35V (external)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard Regulator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500mA, 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIDE Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArduino IDE 1.0+ (macOS, Windows, Linux)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue\/Black\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    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThe Digispark ATTINY85 module is perfect for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003eWearable tech and space-constrained builds\u003c\/li\u003e\n  \u003cli\u003eStudents learning embedded programming\u003c\/li\u003e\n  \u003cli\u003eRapid prototyping with Arduino-compatible code\u003c\/li\u003e\n  \u003cli\u003eLow-power, lightweight automation tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Digispark ATTINY85 Micro Development Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the Digispark ATTINY85 board compatible with the Arduino IDE?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Digispark ATTINY85 development board fully supports the Arduino IDE version 1.0 and above on macOS, Windows, and Linux. You can program it directly over USB after installing the Digispark board definitions in your IDE.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many I\/O pins does the ATTINY85 Digispark board have?\u003c\/h4\u003e\n\u003cp\u003eA: The board features 6 I\/O pins in total. Two of these are shared with the USB interface but can still be used as general-purpose I\/O when your program is not actively communicating over USB, giving you maximum flexibility for your project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I power the Digispark ATTINY85 module without USB?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The board supports both USB power (5V) and an external power source ranging from 7V to 35V. It automatically selects the appropriate power source, making it versatile for battery-powered or externally powered applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the Digispark ATTINY85 board support I2C and SPI communication?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The ATTINY85 module supports both I2C and SPI communication protocols via the built-in USI (Universal Serial Interface), making it straightforward to connect sensors, displays, and other peripherals.\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\": \"Is the Digispark ATTINY85 board compatible with the Arduino IDE?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Digispark ATTINY85 development board fully supports the Arduino IDE version 1.0 and above on macOS, Windows, and Linux. You can program it directly over USB after installing the Digispark board definitions in your IDE.\"}}, {\"@type\": \"Question\", \"name\": \"How many I\/O pins does the ATTINY85 Digispark board have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board features 6 I\/O pins in total. 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