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Recent content by ben8118

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    Need help for 315MhZ design

    Thanks for the recommendation. Will test and see. Get back to you as soon as finish test.
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    Need help for 315MhZ design

    Sorry for the late reply. I using spectrum analyzer to analysis the signal strength. Do you have any reference design? Still having problem on the signal strength.
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    Need help for 315MhZ design

    Dear all, I'm designing a wireless system using 315Mhz frequency. The antenna of the system need to be inside the casing. The system is power by 2 x AAA battery (3.3v). I use 12v step up regulator to increase the 315mHz module strength. If using 3.3v, the signal strength is between -48dbm to...
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    PIC16F677 detect incoming voltage using ADC

    Thanks for the code.
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    PIC16F677 detect incoming voltage using ADC

    Would you mind please give the assembly code. This is because I don't know which LED and ADC port that it is using.
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    PIC16F677 detect incoming voltage using ADC

    The voltage only detect 5v or any voltage? My power source is battery which is 3.3V
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    PIC16F677 detect incoming voltage using ADC

    Dear all, The project I handle need to detect the incoming voltage. I'm detecting 2 x AAA battery (3.3v), when voltage drop below than 2.5V will turn off LED. The problem I facing is I cannot get the reading correctly. I using assembly to write. I even copy and paste the code example from the...
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    PIC16F677 & Melexis TH72002 circuit problem

    Thanks for the information. I have done what you say, but still no luck. The Vcc voltage is 3.15V. The ASKDTA pin have data. Spectrum analyzer does not receive any signal.
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    PIC16F677 & Melexis TH72002 circuit problem

    Dear All, I have a problem on using Melexis TH72002. I construct the circuit as the attachment schematic, I unable to see the signal transmit out. I using the spectrum analyzer to check the signal.
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    [SOLVED] Relay Problem: After on and off few times, the relay stuck/jam in the on stage.

    Dear all, My problem is solved by using a high inrush current relay which is RTS3TF12. Thanks everybody for giving me the idea for solving the problem.
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    [SOLVED] Relay Problem: After on and off few times, the relay stuck/jam in the on stage.

    The relay I'm using is schrack RT314A12. Would like to ask, what is the problem cause the relay stuck/jam in the on stage? When I use schrack 040967002000, there is no such problem which stuck in the on stage. Thanks.
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    [SOLVED] Relay Problem: After on and off few times, the relay stuck/jam in the on stage.

    Dear cameo_2007, I'm making 2 gang switch. The life wire go into the wall switch and output 2 light to control. I have tested the current using Clamp Meter. The current show in the neutral line is 2.4A when in stable, the maximum current before the current stable is 3.4A. The both output to...
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    [SOLVED] Relay Problem: After on and off few times, the relay stuck/jam in the on stage.

    ALERTLINKS: I use the Schrack 040967002000 relay is working fine. However, this relay is no more continue. Need others relay to replace it. cameo_2007: Do you have any idea how to measure the current from the fluorescent lamp? Thanks.
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    [SOLVED] Relay Problem: After on and off few times, the relay stuck/jam in the on stage.

    ALERTLINKS: I'm using microchip as the micro-controller. I not sure it is the relay cause the problem, cause I referring others people design. when I use the relay from the design it work fine. However when I use other relay it have problem. FvM: Sorry for did not make it clear. I'm using the...

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