Physics — Circuit: transistor relay driver
A transistor switches a relay coil with a flyback diode.
Make it your own.
title "Transistor relay driver"
component V V1 12V at (0,0) orient h
component L L1 relay at (3,1) orient v
component D D1 at (5,1) orient v
component Q Q1 at (3,3)
component R R1 1k at (1,3) orient h
component GND G1 at (3,5)
wire (0,0) (3,0)
wire (3,0) (3,1)
wire (3,2) (3,3)
wire (5,0) (5,1)
wire (3,0) (5,0)
wire (1,3) (2,3)
wire (3,4) (3,5)