# Recent content by Gapoo

1. ### Help needed for operating Servo Motor.

Dear All, I have a servo motor. I am unable to recognize it as I don't have any of it's data. Couldn't find details of this motor on internet too. Kindly help me in following questions. Is it a single phase or three phase motor ? Output Power mentioned on motor is 500W. What are the...
2. ### ICs for Isolated 24 to 48V 3Amp Boost Converter

Dear Members, I want to design 24 to -48V 3 Amp Isolated Switch mode Boost converter. I am searching ICs to design. Kindly suggest some ICs. Thanks in advance.
3. ### How to design a smps based battery charger?

Re: smps based battery charger I've no issues in redesigning whole thing. If it is a diode kindly let me know it's part number as it contains three pins used for different purposes.

6. ### Smart and cost effective 12-V 160 AH lead acid battery charger

We can mutually fix bugs by discussing here if you want.
7. ### How to design a smps based battery charger?

we can fix mutually bugs by discussing here too.
8. ### How to design a smps based battery charger?

Dear Amjad Ali, Can you share schematic of this charger ? Thank You. Regards, Gapoo
9. ### Smart and cost effective 12-V 160 AH lead acid battery charger

Dear kindly show the schematic of your charger. I have following queries. 1) Are you sure that diode at E$25 is 1N4148 ? 2) What is the part number of the MOSFET at E$23 ? 3) Path of feedback is very long, will it effect the performance ? Thank You. Regards, Gapoo.
10. ### HC-09 Bluetooth Module Address AT Command

Dear Members, I am using HC-09 Bluetooth module. Is there any AT command throug which I can get Bluetooth ID of that particular module. I am talking about Bluetooth ID which looks like as 01:15:E4:0C:6F:AD Thanks in advance. Best Regards
11. ### ETD 49 TRansformer Calculation

Dear All, I have following issues in SMPS Inverter. I am making a 1KVA system.Is ETD-49 enaugh for 24V to 350V DC-DC Boost Converter working @ 40KHz Push-Pull ? What are the steps to calculate number of turns for high frequency transformer ? How to calculate guage of wire ? Thanks in...
12. ### L6386 High side driver not working

Hi, Help needed in L6386 based Full bridge. I have copied circuit from ST application notes containig L6386 based IGBT Driver. Lower side driver of ICs is working fine but waveform is not appearing at both high side pins. Voltages on each pin are fine. Need advices to solve this issue ...
13. ### 89s52 with Xbee pro and UART help

Dear, A level conversion circuitry is needed to connect data lines communicating at different levels. Do not reduce the VCC for microcontroller and also do not try increase VCC for Xbee. CTS and RTS are used for handshaking during communication. You can leave them open . Connect Dout of Xbee...
14. ### Connection between 2xPIC16F877A using UART

Hi Dear , There is no need of MAX232 to communicate two microcontrollers. Just connect as connected in attached image. Regards, Gapoo.
15. ### microcontroller parallel programming, how?

Dear Andro, You should use single timer micro-controller with two timers. Such micro-controller are easily available. Regards, Gapoo