In /search/ :

2. [ Cat]

...

3. [1. &2. &3. ]: +-2 Lines for "1. " AND +-2 Lines for "2. " AND +- 2 Lines for "3. "

...

4. [2. &1. &3. ]

In /music/?e_blues_8 :

1. Red Dot: 1st Note of Major Scale

2. Green Dot: 3rd Note

3. Blue Dot: 5th Note

In /electric/?illumination_1 :

1. I haven't tested RS-485 with ATtiny85 yet.

2. I need to test a GPIO expander such as MCP23017 with ATtiny85 which has 8 pins.

3. The procedure and proper timing of powering on ATtiny85 and RS-485 transceiver, then setting pin states.