| ??? 01/13/10 10:52 Read: times |
#172424 - so i answered Responding to: ???'s previous message |
1) if You keep shame circuit , You need sourcing current, and read Per's note about resistors.
2)You change the circuit (cahnging microcontroller), soo You can move MT1 to +5V and sinking 4 mA by micro. See limits of AT89C2051 about total sinking current. regards |
| Topic | Author | Date |
| driving a triac with a ATMEL MCU | 01/01/70 00:00 | |
| pull-up or other chip? | 01/01/70 00:00 | |
| probably | 01/01/70 00:00 | |
| five volts controlling a hundred | 01/01/70 00:00 | |
| so i answered | 01/01/70 00:00 | |
| Throwing out the baby? | 01/01/70 00:00 | |
| previous | 01/01/70 00:00 | |
| they need freelancers? | 01/01/70 00:00 | |
| I see | 01/01/70 00:00 | |
| Yep | 01/01/70 00:00 | |
| don't forget about "triac drivers" | 01/01/70 00:00 | |
| my prefered way | 01/01/70 00:00 | |
| Do always use a buffer! | 01/01/70 00:00 | |
| there is an old Philips appnote which ... | 01/01/70 00:00 | |
| incredible | 01/01/70 00:00 | |
Thanks! | 01/01/70 00:00 |