Jarez Patel's instructables
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- Jarez Patel favorited Easy DC Motor Controller by mgingerich3 years ago
- Jarez Patel followed mgingerich3 years ago
- Jarez Patel commented on Jarez Patel's instructable Identifying the correct leg of a transistor or MOSFET3 years ago
- Jarez Patel favorited Moded "Gorkems sniper rifle" by Jarez Patel11 years ago
- Jarez Patel favorited Knex Bazooka by fobblewabble11 years ago
If you have a component tester, like that found on old oscilloscopes you can use that. Or if you have a multimeter with a transistor tester you use that until you see the correct beta or gain value on the display. Or you can use a adjustable DC voltage supply and observe the I-V curve.