Rev. 0.2 / 09 /2015
3
AN1111-2
Table of content:
1
Driving circuitry for HCT01 .............................................................................................................. 4
2
Pre-adjusted HCT01 with an initial accurate circuitry with frequency output .................................. 6
2.1
Schematic circuit diagram ....................................................................................................... 6
2.1.1
Bill of Material ................................................................................................................................ 6
2.1.2
Correlation between sensor capacity and period ........................................................................... 7
3
RH measurement with pre-adjusted HCT01 and microcontroller based, initially accurate circuitry 8
3.1
Schematic circuit diagram ....................................................................................................... 8
3.1.1
Bill of Material ................................................................................................................................ 9
4
Hints for the development engineer .............................................................................................. 11
5
Contact information ....................................................................................................................... 12
6
Revision history ............................................................................................................................. 12
