Datasheet
MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.
Specification and information contained in the present schematic are subject to change at any time without notice. Copyright © 2014 MikroElektronika. All rights reserved.
5. HTU21D click
™
board schematic
8. Support
7. Code examples
MikroElektronika oers free tech support
(www.mikroe.com/support) until the end
of the product’s lifetime, so if something
goes wrong, we’re ready and willing to help!
Once you have done all the necessary
preparations, it’s time to get your click
™
board
up and running. We have provided examples
for mikroC
™
, mikroBasic
™
and mikroPascal
™
compilers on our Libstock website. Just
download them and you are ready to start.
6. Tip on sensor placement
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
R1
2K2
LD1
VCC-3.3VCC-3.3
DATA
SCK
VCC-3.3
C1
100nF
VCC-3.3
R2
10K
R3
10K
VCC-3.3
1
2
3
SDA
5
4
6
GND
NCNC
VDD
SCK
U1
HTU21D
SCK DATA
Relative humidity de-
pends on temperature.
To get the most acc-
urate measurements
from HTU21D click
™
,
it’s important to keep
the sensor at the same temperature as
the environment in which you want to
measure the humidity.
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