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the dissipation will depend on the voltage drop across the connector if you check the voltage difference across the connector and having known the rms current on the wire you can find the resistance caused by the connector and hence can calculate the power dissipation i.e. Voltage squre/Resistnce
solar charge controller
Dear Guys,
I have developed a solar charge controller, using MPPT algo. It actually charges the battery in three stages :
Stage 1 => Bulk charge using MPPT
Stage 2 => Constant Voltage charging without MPPT
Stage 3 => Trickling, when the battery is fully charged
When...
PWM switched Inverter
calculate and check out IGBT losses both their switching and conduction losses,
analyze the performance if it gives efficiency above 90% then it is good enough.
Regards,
Iftikhar Abid
push pull dc dc converter
Dear guys
I am going to work on a high frequency DC-DC converter. Due to 50kHz high switching frequency i am facing continues Spikes and Ringing signals on the Drains of Mosfet, these spikes gradually damps out , but due to this spike my Mosfets gets too much hot.
If...
dear u can use a simpl trick just use 2 addresses to enable one at a time......but in this way u will b able to access one at a time.
for further help u can mail me.
iftikhar_abid@yahoo.com
Regards,
Iftikhar Abid
image processing avr
Dear buddies
I am about to start working on image recognition system using AVR i.e ATmega48. If any one has any idea for matching a picture pattern which is stored in the EPRom to the out side world through a camera connected to the controller. If the picture pattern...
sms with microcontroller
Dear guys
Can any one share the syntax used in C or Assembly to send an SMS from microcontroller to GSM mobile or GSM modem using the serial port over RS232 standard.
I am referring to the AT commands i.e how to send them and how to get interrupt from the GSM Modem...
okay thnx.
but dear i am confused of one thing
supose i want to send some code ie 1010101 to switch on a perticular relay. but if i send it and the recver is off then definatly i will los the code. it means i will switch on the recver first before sending the code.
after sending 1010101 and...
Thnx fjor all that.
but dear if i use FSK at the receivng, will i need an encoder because the signal will be in analog form. if i need encoder then kindly suggest which one will be suitable.
GSM with COntroller
dear u should check out first wheterh ur GSM is properly working if Yes. then connect it to PC serial port and check it on the Hyperterminal whether it is responding or not.
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