| ??? 03/26/12 13:03 Modified: 03/26/12 13:08 Read: times |
#186884 - Within this chip Responding to: ???'s previous message |
Within this chip are flywheel diodes to 'take care' of the back emf from the relays however the problem still continues
which is all good if the solenoid is close to the chip. If not you have the "flywheel currents" running all over the place. [edit] posted this before reading Michaels post which explains the above to much greater detail[edit] Erik |
| Topic | Author | Date |
| Interrupts, the 8052 & Solenoids | 01/01/70 00:00 | |
| Freewheeel diodes | 01/01/70 00:00 | |
| ULN2003a | 01/01/70 00:00 | |
| more than one inductive load here | 01/01/70 00:00 | |
| Solenoids | 01/01/70 00:00 | |
| diode choices | 01/01/70 00:00 | |
| Diodes in ULN2003a | 01/01/70 00:00 | |
| Within this chip | 01/01/70 00:00 | |
| Do I hear... | 01/01/70 00:00 | |
| Irish keypad layout!! | 01/01/70 00:00 | |
| Lack of resistors. | 01/01/70 00:00 | |
Success | 01/01/70 00:00 |