| ??? 12/10/00 22:15 Read: times |
#7153 - RE: ohmmeter with 8051 |
1) build a constant current source (its...ANALOG *brrr*, but not hard =)
2) send the current through the resistor 3) measure the voltage across the resistor with an A/D converter Remember V=I*R? If you switch the current source off, you have a volt meter. |
| Topic | Author | Date |
| ohmmeter with 8051 | 01/01/70 00:00 | |
| RE: ohmmeter with 8051 | 01/01/70 00:00 | |
| RE: ohmmeter with 8051 | 01/01/70 00:00 | |
RE: ohmmeter with 8051 | 01/01/70 00:00 |