wiki:international

Version 18 (modified by Shinichi Ohki, 7 years ago) (diff)

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How to use the Switch-Science USB Stick. スイッチサイエンスUSBスティックの使い方

The Switch-Science USB Stick is Fantastic USB device for Open Hardware Summit comers.
You can see sparkling three colors LEDs that have many brink patterns, when insert the USB Stick to your any USB port.(*1)

Switch-Science USB Stick Quartet movie

The USB stick is only USB accessory now. But it has AVR micro-controller that was made by Atmel corporation with three colors LEDs.
And it has 6 pin socket pattern(*2) and some parts for V-USB(*3). You can develop and execute another AVR program for this USB stick, if you have AVR development environment and AVR writer.

Schematic 回路図

PDF Schematic is here. OHS_SSCI_STICK.pdf
Eagle Cad Schematic and board data Archive is here. OHS_SSCI_STICK.zip

Board 基板図


PDF board is here. OHS_SSCI_STICK.brd.pdf

BOM(Bill of Material)

PartsNameValuePackagePart NumberManufacturer
C1Capacitor0.1uF1608(metric)Any
R1Resistor1.5k ohm1608(metric)Any
R2, R3Resistor33 ohm1608(metric)Any
R4, R5, R6Resistor1k ohm1608(metric)Any
R7Resistor10k ohm1608(metric)Any
LED1LEDRED1608(metric)Any
LED2LEDGREEN1608(metric)Any
LED3LEDBLUE1608(metric)Any
U1MCUATTINY85SOIC8_EIAJ_208MILATTINY85-20SUAtmel
D1DiodeZenerSOT23AZ23C3V6-7-FDiode

Software

Hex file : OHS_SSCI_STICK.hex
Assembler Source file : OHS_SSCI_STICK.asm
The Assembler Source file can assemble AVRStudio4 and avra

Notice

(*1) Switch-Science USB Stick is a little thin as a USB standard board.
If the USB Stick can not match your USB port, you should paste some paper (ex.name card) to the USB Stick backside please.

(*2) 1st pin is Near 'LED3' pin.

Pin 1RESET
Pin 2Vcc(5V)
Pin 3GND
Pin 4MOSI
Pin 5MISO
Pin 6SCK

(*3) V-USB is a software-only implementation of a low-speed USB device for Atmel’s AVR microcontrollers. V-USB

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