News post & update: eleccircuit.com |  |
| Simple Long Duration Timer using OP-AMP ICs Posted: 29 Jan 2015 08:13 PM PST Simple Long Duration Timer using OP-AMP ICs If you need to build the RC timer circuit that long time delay we need to use too many resistors and capacitors. This may have caused the error is quite large. From the change to the device degradation and leakage. This circuit allows the RC time constant of […]  |
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