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had anyone observe my schematic .............. is there any problem with that?????
:thinker::thinker::thinker::thinker::thinker::thinker::thinker::thinker:
i've designed the supply from the thread we discussed here on edaboard and finally ran 1n5408 based circuit:
https://www.edaboard.com/threads/349641/
We had designed a SIM900 Based Modem board and our application is to upload data using 3G data connection.
the schematic Eagle file is...
yes i did,
the bunch ic having printing mistake
even i can't believe it could happened
then i bought same ic from another seller and i got the result as same configuration shown in datasheet
the inductor value is 47uH
are you sure that i will get 5.00 output when i replace the inductor with 33uh
so now i am feeding this circuit from 12dc 2A adapter, but we are going to use this circuit with solar panel to charge battery bank solar panel is giving output upto 22V and able to...
As per your suggestion i mount all the components on a Circuit board
took a new IC LMLM2596 5.0 fixed voltage with ss34 schottkey diode
1000uf/25V input and 1000/ 16V output capacitance.
inductor is 470 uH.
my input voltage is 12.0 Vdc 2 A but still this provides me 1.22V DC
i bought new...
hey
we have an ongoing project and that need to have an important application that is firmware upgrade over the air.
we are using Atmega 128 which having two UARTS.
two options to get connected with internet are (RN171)WiFi and SIM900A(GPRS).
i saw a website on which the user upgrade the...
hiiii,
i am working with esp8266 and interfacing it with arduino.
it is working nice but suddenly it stopped responding and blue light is remains ON it starts getting hot
now when i removed ch_pd pin the blue light gets OFF.
i am entering command by connecting it with serial prolific...
here is my circuit on breadboard which giving me 1.22Vdc output at pin 2
input cap. 470uF/25V
output cap 220uF/25V
ic lm2596 5.0 fixed
diode ss34
inductor tried with 220 & 100uH
output remains 1.22V DC
checked voltage at pin 4 Also but no change in voltage
Hey There
i am using LM2596S 5.0 (fixed output)(SMD from National Instruments ) regulator to charge my power bank
i am using inductance of 100uH, input capacitance Cin 470uF/25V schottkey diode
SS34 3 Amp. output capacitance of 220uF/25V.
My Input voltage is 12VDC 2.0A adapter
i am about...
At slave side I've smart meter with serial port, now the system is, when i'll send appropriate commands from my master device(lpc11U24 circuitry)to the slave through serial (with 4800 baud rate )cable then it will reply with some bunch of data in string formats.
Now at slave side at serial port...
as i told you earlier my entire circuit has only 2.7V Vcc so how do i get 5V!!!!
- - - Updated - - -
voltage doubler and voltage compentation ic(i.e level shifter) are two different things!
at slave side I've device which has serial port with 3.3V level converter ic(may be max3232 or max...
Hello guys,
from past few days I'm dealing with LPC11U24 cortex M0 micro-controller.
I've a system with produce only 2.7V for entire circuit, in short my VCC is 2.7V(I've programmed MCU with power down mode using it's PMU).
In my code I'm using UART at 4800 baudrate.
Now cumming to the point, I...
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