Nit841-v3

by Kingswood.
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2 layer board of 1.36x1.36 inches (34.42x34.42 mm).
Shared on February 8th, 2015 18:18.

NRF24 nitwork node with ATTiny841, LM92 or DS1621 temperature sensor, 3.3V regulator. It uses ISPogo landing pads for in-system programming.

V3 has improved layout giving 50 uncommitted pads on a 0.1" grid for experimentation and expansion.

The board has space for a CR2032 battery on the bottom. Power consumption is under 1mA when the radio is off.

This board is designed to fit in a Hammond 1551P case, 40x40x20mm. The NRF24 only fits in the box if it is soldered down directly, but using the header and a socket works fine outside this box.

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