How to use BJTs

How to design circuits that allow you to drive a load that needs a higher value of voltage or current than Arduino can drive.

Jun 15, 2016

23159 views

3 respects

Components and supplies

1

Breadboard (generic)

1

2N2222

1

jumper

1

Arduino UNO

Project description

Comments

Only logged in users can leave comments

Immagine
Immagine

merseytrainz

6 years ago

Why when Calculating the Ib Ib = 3 * 150mA / 100 = 4.5mA Why do we multiply IL(load current) by 3, where does the 3 come from Best regards a Newbie

Immagine

Arduino_Scuola

7 Followers

58 Projects

1