2018
July Wednesday 18

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2018 July REVIEW

Arduino ATTiny85 Systemboard USB

Arduino Stamp Computer

ATTINY85 | TINY85 MPU | DIGISPARK ATTINY85

2017 DEC | by Gene Casanova

Senior Embedded Systems Engineer


Coconut Arduino USB Stamp Computer

CGI Computer Wares', tested and certified AT TINY85 embedded computer system in the form factor or a stamp!

Coconut Arduino USB ATTINY85 Stamp Computer Specs:

The ATtiny85 is a low-power Atmel 8-bit AVR RISC-based microcontroller.

It is outfitted with 8KB of ISP flash memory.

512 bit EEPROM / 512-Byte of SRAM (static RAM) memory.

Configured internal and external interrupts.

4 channel 10-bit ADC.

20 MIPS at 20MHZ -> 1 MIPS per MHz.

Reference: http://www.atmel.com/devices/attiny85


Programming - Arduino IDE

A 'USB Tiny85 Arduino systemboard', can be programmed using the Arduino IDE version 1.8.x, after providing the data file "http://digistump.com/package_digistump_index.json" to the Arduino IDE Preference option "Additional Boards Manager URLs:".

Create and use a separate directory on a development computer running the Arduino IDE application; to store Arduino ATtiny85 sketches (source code) for Tiny85 source code.  Tiny85 uses a different instruction set than the Arduino systems with larger model microcontroller processors.

Using Arduino 1.6.5r2 or earlier is highly recommended by the Digispark producer.

https://github.com/digistump/DigistumpArduino/releases/tag/1.6.7

http://digistump.com/wiki/digispark/tutorials/connecting

In the Arduino IDE 1.8 main menu, select 'Tools' > 'Board' > "Digispark (Default 16.5 mhz)


1) To program a Digispark USB ATTINY85 systemboard, it must not be plugged into the development.

2) Click the check mark symbol to verify the source code.

3) Click the right arrow above, to begin the compiling process. Watch the feedback window below for the message to connect the ATTINY85 systemboard.

4) Plug the ATTiny85 systemboard into a USB port on the development computer.

5) the process will upload the machine code program to the systemboard. When complete, will reset the systemboard and the program will begin exciting (running).


USB ATiny85 Systemboard Pinout

  1. P0/AREF/SDA/DI/PWM
  2. P1/DO/PWM

Use The Technology Wisely & Keep It Simple

- Cheers!

Gene Casanova


Need More?   Need Help? ........Software, Network, System & Data Center Builder & Developer | Development Services Available - Freelance Small Jobs; To Outsourced Long Term Service Provider Contract Labor Available.

CGI Computer Wares | EST 1979

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