| ??? 08/24/03 18:31 Read: times |
#53243 - RE: ALE---indicator...failed MPU Responding to: ???'s previous message |
What is EMI filter?
The driver now I am using: AT89C52 P2 -> CD4050 -> C1815(A1015)and TIP14C(42C) (darlington) -> Motors The Gound of MPU and Driver is connected together. Should I use a optical isolator instead? any suggestion about the optical isolator? (4 channels) Stanley |



