it shows the following part, being a resonator and not a crystal,
I was trying to study the relation between the applied voltage and crystal skew.
But it seems the board has resonator which is not very accurate.
How can I solve this problem.
My aim was to obtain less than 5ppm error with the arduino
without using any external clock.
Using a external clock would increase the cost and power consumption of the sensor nodes.
Unit Cost US$3.76Current - Supply (Max) 6mA
50 cents, you're overpaying.http://www.digikey.com/product-detail/en/ATS16B/CTX1085-ND/264003135 cents, with proper software can see as little as 1 second drift per day.caps, 18 cents if only buying a couple, I usually get morehttp://www.digikey.com/product-detail/en/C317C220J2G5TA/399-4220-ND/81799671 cents.But I typically get my parts herehttp://www.dipmicro.com/store/index.php?act=viewProd&productCode=XC7-1600028 centshttp://www.dipmicro.com/store/C1K22-509 cents46 cents total in 1-lot, and I usually get more to have parts to play with.
A 16 MHZ MCU compatible crystal is about $0.50 and add a few more cents for the 2 capacitors needed.
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