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wokwi-franzininho Reference

A small ATtiny85-based development board, popular in Brazil.

About the Franzininho#

The Franzininho DIY in an open-source, Arduino-compatible board designed in Brazil. It's based on the ATtiny85 chip, so please consult the ATtiny85 documentation for technical information.

The yellow LED (LED1) is connected to pin PB1 of the ATtiny85 chip. You can learn more about the board and the people behind it in the Franzininho homepage (Portuguese).

Pin names#

PinATtiny85 PinFunctionsAnalog ChannelPWM
0PB0SPI:MOSI, I2C:SDAYes
1PB1SPI:MISO, LED1Yes
2PB2SPI:SCK, I2C:SCLA1-
3PB3A3-
4PB5ResetA0-
5PB4A2Yes
VCCVCCPositive voltage (5V)-
GNDGNDGround-

On board LEDs#

The board includes two 3mm LEDs:

LEDColorFunction
ONGreenPower LED. Always on while the simulation is running
LED1YellowConnected to pin PB1

Simulator examples#