??? 10/23/09 13:46 Read: times |
#170008 - Depends... Responding to: ???'s previous message |
The answer is: depends on what do you want to measure: presence of a minimum AC voltage, RMS value, peak, etc. And precision.
As the AT89C2051 does not have ADC, you cold only detect presence of AC voltage using, for example http://www.8052.com/forumchat/read/169691 , Kai“s very nice aproach. Daniel |
Topic | Author | Date |
Measuring of Ac 220v | 01/01/70 00:00 | |
Search | 01/01/70 00:00 | |
Depends...![]() | 01/01/70 00:00 |