arduino
Notes on Arduino microcontrollers
lilypad attiny85
| microcontroller | ATtiny85 |
|---|---|
| memory | 8 kB flash ISP |
| 512 bytes SRAM | |
| 512 bytes data EEPROM / HEF | |
| dimensions | 25×24×4 mm |
For some reason, Arduino IDE does not detect this board in any port (at least on my machine). However, pressing Upload will prompt you to plug in the board within 60 seconds and it will automatically detect it anyway.
Digispark (Default - 16.5mhz)arduino uno r3
| microcontroller | ATmega328P |
|---|---|
| memory | 2 kB SRAM |
| 32 kB flash | |
| 1 kB EEPROM | |
| weight | 25g |
| dimensions | 53.4×68.6 mm |
monochrome OLED display
Reference: Adafruit
| pin | description |
|---|---|
| 1 | ground |
| 2 | 3V Power In (100-150mA) |
| 3 | unused |
| 4 | DC data/command pin |
| 5 | WR write pin |
| 6 | RD read pin |
| 7 | Data0 (SPI Clock) |
| 8 | Data1 (SPI Data In) |
| 9-14 | Data2-7. used for 8-bit mode. don’t use in SPI mode |
| 15 | CS chip select |
| 16 | RS reset |
| 17-19 | unused |
| 20 | frame ground |
Connections with the Uno. 8-bit mode
| uno | display |
|---|---|
| ground | 0 |
| 3.3V | 1 |
| D8 | 4 (DC) |
| D9 | 16 (RS) |
| D10 | 15 |
| D11 | 8 (Data1) |
| D13 | 7 (Data0) |