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Olimex OLIMEXINO-85 Revision B Schematic
Schematic for the OLIMEXINO-85 Rev. B development board, featuring the Atmel ATtiny85-20PU microcontroller and a USB-B interface for power and programming.
Overview
This document contains the circuit schematic for the OLIMEXINO-85 (Revision B) development board manufactured by Olimex Ltd. The design is centered around the Atmel ATtiny85-20PU 8-bit microcontroller in a DIL-8 package. The circuit includes a USB-B connector for power and communication, protected by BZV55C3V6 Zener diodes and 1N4148 diodes. It features power and status LEDs, a reset button circuit, and pin headers that break out the microcontroller's I/O pins (PB0-PB5), including ADC, SPI, and I2C functionalities.
Use Cases
- AVR microcontroller prototyping
- Small form-factor USB device development
- Educational electronics and programming
- DIY embedded systems projects
Topics
OLIMEXINO-85
ATtiny85-20PU
Olimex
Schematic
AVR Microcontroller
USB Development Board
BZV55C3V6
1N4148
Referenced Parts
| ATTINY85-20PU | Atmel | ATtiny85-20PU+(DIL-8)+(HR1x8) |
| 1N4148 | Vishay | 1N4148/DO35 |
| BZV55C3V6 | Nexperia | NA(BZV55C3V6/SOD80C) |
| T1101GP | Generic | TSR-1(T1101GP/6x3x4.3) |