arduino

Notes on Arduino microcontrollers

lilypad attiny85

specs
dimensions25×24×4 mm
memory8 kB flash ISP
512 bytes SRAM
512 bytes data EEPROM / HEF
microcontrollerATtiny85

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)

uno r3

specs
dimensions53.4×68.6 mm
memory2 kB SRAM
32 kB flash
1 kB EEPROM
microcontrollerATmega328P
weight25 g

monochrome OLED display

Holly's screen showing static through a magnifying lens
“Please do not adjust your set”
pinouts, Adafruit
pindescription
1ground
23V Power In (100–150mA)
3unused
4DC data/command pin
5WR write pin
6RD read pin
7Data0 (SPI Clock)
8Data1 (SPI Data In)
9–14Data2–7. used for 8-bit mode. don’t use in SPI mode
15CS chip select
16RS reset
17–19unused
20frame ground
connections with the Uno (8-bit mode)
unodisplay
ground0
3.3V1
D84 (DC)
D916 (RS)
D1015
D118 (Data1)
D137 (Data0)