Discussion in "Project Help" started by    Tanuja    Dec 10, 2007.
Tue Dec 11 2007, 01:15 PM
#11
its given that output is open collector so.. i am sure the first solution will work.. and i think its really needed to have a pullup on the line being open collector..
Tue Dec 11 2007, 01:27 PM
#12
Ya its required ..... and how about availability of this sensor?? ?
Tue Dec 11 2007, 01:43 PM
#13
I am not sure... but the one shown before i mean HSDL3000 and HSDL3002 might be available.. check online stockists like www.rsindia.com

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steve_yu_chan
Wed Apr 23 2014, 12:14 PM
dsk752dsk
Wed Apr 23 2014, 11:46 AM
gdeepkeyrun
Wed Apr 23 2014, 09:25 AM
oneblade
Mon Apr 21 2014, 01:59 PM
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Mon Apr 21 2014, 08:05 AM
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Mon Apr 21 2014, 07:53 AM
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Wed Apr 23 2014, 02:57 AM
NAD
hi can someone help me write the code to interface an alphanumeric keypad to pic16f877A??!
Wed Apr 23 2014, 02:56 AM
NAD
hi,
kram.ram420
Mon Apr 21 2014, 09:27 AM
Hi.. Please help me to get through microcontrollers..
Sun Apr 20 2014, 05:23 AM
ARPAN
HELLO. I AM USING 8051 WITH RFID , PASSWORD AND FINGERPRINT.I HAVE SFM 3030 FINGERPRINT MODULE HOW TO INTERFACE IT WITH 8051? DIRECTLY OR EXTRA CIRCUITRY IS REQUIRED?AND HOW TO USE TWO SERIAL DEVICES RFID AND FINGERPRINT WITH ONE 8051?
ExperimenterUK
Thu Apr 17 2014, 01:23 PM
@mba Great .. please do.
Thu Apr 17 2014, 12:27 AM
mba'
like the forum and wish to participate
ExperimenterUK
Wed Apr 16 2014, 04:45 PM
@viniciusheidrun..you should read my comment just before your post
viniciusheidrun
Wed Apr 16 2014, 01:43 PM
I'm doing a drive system with SIM900D modem and microcontroller AT89S52 via sms. I'm having trouble can not generate the. Hex to send to the microcontroller, whenever I compile the error, I'm using MCU 8051 IDE, what should I do so that my system receive sms and perform my task?
ExperimenterUK
Mon Apr 14 2014, 01:00 PM
@Haranadh,bipin chandra etc. Create threads for your questions.
Sun Apr 13 2014, 04:05 AM
Haranadh
we bought HC 06 Bluetooth modem instead of Module ,Can any one help me of using it as bluetooth module since i am doing this project?
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