Timeline for How to interface LDR with microcontroller?
Current License: CC BY-SA 3.0
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| Feb 13, 2013 at 17:15 | comment | added | Rocketmagnet | @gopal - Just to add a little something: when I'm using a high-ish impedance sensor like this, I like to add a little capacitor (10nF - 100nF) between the A/D input and GND. This helps to charge the ADC's sample and hold capacitor more reliably, and also acts as a simple low pass filter. You'll get a better signal/noise ratio this way. | |
| Feb 13, 2013 at 14:18 | history | answered | Olin Lathrop | CC BY-SA 3.0 |