Discussion in "Electronics" started by    ۞ TPS ۞    Oct 9, 2007.
Mon Dec 10 2007, 04:20 AM
#11
hi Andy I think you do not understand where to connect + and - of 9 v battery as you can see +ve terminal of 9v battery to be connected on top red point as mentioned +9v and -ve terminal to be connected to ground of circuit ie below R5 (100 ohms) i also suggest you to please gain some knowledge about circuit symbols you can visit following site
http://www.kpsec.freeuk.com/symbol.htm
Sun Jan 06 2008, 01:30 PM
#12
hey guys, if anyone is willing to help me further with building fm transmitters I'd really appreciate your help. If you can e-mail me at [email protected] I'd really appreciate it. If you have built them already that would be a great help...I might even pay you for building and sending me one with the plans !
Thu Jan 17 2008, 03:53 AM
#13
Another simplest transmitter
 ajay_bhargavpdi33 like this.
Tags Simples FM transmitterFM transmitter5V FM transmitter
Thu Jan 17 2008, 06:39 AM
#14
this one is awesome.. you are great TPS
Thu Jan 17 2008, 08:42 AM
#15
Thanks Ajay :blush
Tue Apr 08 2008, 06:26 AM
#16
ANOTHER TASTED OK FM TRANSMITTER WITH PCB

Tue Apr 08 2008, 08:21 AM
#17
host your picture on imageshack.us
they are much better..
Wed Apr 09 2008, 05:39 PM
#18
IS there is any problem in viewing pictures
Sun Nov 02 2008, 05:51 AM
#19
another tested ok

Part

Total Qty.

Description

Substitutions
C1 - 0.001uf Disc Capacitor
C2 - 5.6pf Disc Capacitor
C3,C4 - 10uf Electrolytic Capacitor
C5 - 3-18pf Adjustable Cap
R1 - 270 Ohm 1/8W Resistor 270 Ohm 1/4W Resistor
R2,R5,R6 - 4.7k 1/8W Resistor 4.7K 1/4W Resistor
R3 - 10k 1/8W Resistor 10K 1/4W Resistor
R4 - 100k 1/8W Resistor 100K 1/4W Resistor
Q1, Q2 - 2N2222A NPN Transistor 2N3904, NTE123A
L1, L2 - 5 Turn Air Core Coil
MIC - Electret Microphone
MISC - 9V Battery Snap, PC Board, Wire For Antenna


[ Edited Sun Nov 02 2008, 05:57 AM ]
Thu Jan 22 2009, 07:15 PM
#20
CAN SOMEONE tell me how to MAKE RFC VK200 in home
AND how to set the TRIMMER plz........

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Fri Aug 07 2020, 08:01 AM
Tony Eldredge
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Thu Jun 11 2020, 06:27 AM
anudee
sir could please send the code for I2C and wifi interfacing with 8051
scena
Tue May 19 2020, 10:29 PM
Does anyone have microcontroller programming software for STC15F104W (core 8051, 4 k, 128 byte, 6 I/O pin, UART ... DIL8), that works?
Sat May 02 2020, 07:38 PM
Tamu Gurung
Hi I am looking for a assembly language program for a digital decimal counter. Time counts max limit of 2 mins starting from 2.00 mins and ending at 0.00. time is to be displayed on 4 7-segment LED displays. Edsim51 simulator to be used. Thanks
Wed Mar 25 2020, 01:39 PM
Tajammul
Sir kindly send the code file i2c for 8051
ExperimenterUK
Fri Mar 13 2020, 10:36 PM
@ Rohitnani,ABEBE..which project ?
Fri Mar 13 2020, 12:55 PM
ABEBE
how can get hadwere of this project
Rohitnani
Sat Mar 07 2020, 05:11 PM
Sir, Could you please send me the zip file input password....
Wed Feb 26 2020, 04:58 PM
Peter Parker
Is it possible to send multiple messages using only 1 GSM module?
Sat Feb 01 2020, 10:12 AM
Pearl Olin
Hello,

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Mirza123
Thu Jun 25 2020, 03:46 PM
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liqian Avatar
Posted By liqian
Fri Aug 07 2020, 03:31 AM
I found the part on here https://www.jotrin.com/pr...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Jul 01 2020, 11:07 PM
PS: I am a new learner thats why my question may s...
Mirza123 Avatar
Posted By Mirza123
Wed Jul 01 2020, 02:05 PM
Thanks for the assistance. I have read the data sh...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Jul 01 2020, 10:12 AM
See section 15 (Ports) of the data sheet. ...
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Posted By wimac
Tue Jun 30 2020, 10:05 AM
How did you know that it is not 8051. Mirza123It i...
Mirza123 Avatar
Posted By Mirza123
Tue Jun 30 2020, 08:39 AM
It seems ports on the AT89LP2052 is not like on th...
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Posted By ExperimenterUK
Tue Jun 30 2020, 08:34 AM
It seems ports on the AT89LP2052 are not like on t...
Mirza123 Avatar
Posted By Mirza123
Thu Jun 25 2020, 04:07 PM
Hello!i am trying to use AT89LP2052 ( AT89LP2052 h...
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Posted By ExperimenterUK
Wed Jun 17 2020, 09:42 PM
It is about capacitor? i should put it between Vcc...
cerouno Avatar
Posted By cerouno
Wed Jun 17 2020, 10:37 AM
Take another look at the power supply to the LCD.A...