Description
The Digispark ATTiny85 is a tiny, low-cost USB development board featuring the ATTiny85 microcontroller.
It provides 6 I/O pins, onboard USB interface for programming, and can be programmed directly via the Arduino IDE with the Digispark add-on.
Despite its small size, it is versatile enough for hobbyist and DIY projects including LED control, sensors, automation, and compact IoT devices.
The board is powered via USB, making it easy to integrate into small electronics projects where space and cost are important.
Key Features
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Based on ATTiny85 8-bit microcontroller
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Onboard USB for programming (no external programmer needed)
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6 GPIO pins (2 support PWM)
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Operates at 5V USB power
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Programmable with Arduino IDE (Digispark add-on)
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Small, compact, and low-power
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Ideal for wearable electronics, DIY, and IoT projects
Specifications
| Feature | Details |
|---|---|
| Microcontroller | ATTiny85 |
| Operating Voltage | 5V DC (via USB) |
| Clock Speed | 16 MHz (internal) |
| GPIO Pins | 6 (2 PWM, 2 analog inputs) |
| USB | Onboard USB interface |
| Flash Memory | 8 KB (ATTiny85) |
| SRAM | 512 bytes |
| EEPROM | 512 bytes |
| Current Consumption | ~5–10 mA idle |
| Dimensions | 18 × 22 mm |
Applications
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Small IoT devices and sensors
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LED lighting and PWM control projects
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Wearable electronics
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DIY automation and robotics
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USB devices and HID emulation
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Compact data loggers and timers
Compatible Boards / Circuits
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Arduino IDE (with Digispark add-on)
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USB-powered sensors and modules
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Relay modules, LEDs, buzzers, and small actuators
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Compatible with ATTiny85 libraries for Arduino
Reviews
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