Mini Mill Upgrade - Spindle Tachometer

preview_player
Показать описание
Part 2 of four upgrades I did to the Little Machine Shop 3990 mill. This is an easy and inexpensive way to add a tachometer to this mini mill. It also hints about the part 3 upgrade that is coming next.

Materials Used:

Power Supply:

Alternate Source Power Supply:

Рекомендации по теме