The 5 Amp full bridge drive

    Full bridge driver parts list

(2) 74LS04
(4) TIP-120
(4) TIP-125
(8) 4N35
(8) 2N4000 diode

R1 - 270 - 330
R2 - Vm=9.6 1000
     Vm=12v 1200
     Vm=18v 2000
     Vm=24v 2700

All resisters 1/8w

C - .05uf to .22uf