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pranam77, thebadtall and tpetar: thanks for your kind information.
pranam77: I want to install outdoor lightings in my home and garden. 18 leds per module is rough number, don't have any calculation. Just thought 18 leds in module will give good amount of light.
thebadtall: I have not enquired...
Thanks for your reply. i don't have any specific configuration for led placement. Is SMD LED gives same brightness? is it available in local shops in Chennai.
Is there any circuit diagram with normal LEDs.
Is it advisable to share SMPS from my computer for this work?
I need a circuit diagram, for LED outdoor lighting, which operates from Mains power.
My plan here is to control all the LED lighting modules ( 6 - 10 modules) using single switch.
Each lighting modules should contains the following
convert circuit 230vAC to 12v/5v DC
array 18 LEDS /...
I have USB modem connected to my linux box. My linux machine is powered on all the time. sometimes USB modem is not working, i need to physically remove the modem and insert it to work properly. HOw to restart the USB powered devices, without removing it physically. Is it possible to switch...
I am using the toner transfer methods to make my PCB. I facing problem in transferring the image to copper clad plate. i used magazine paper for printing the board layout. when applied the heat image is not transferred or paper is not sticking to board. How many mins i need to iron the...
I have microcontroller board with me. which requires 5v as power supply. I want my board to run 24x7. I want a circuit which recharges the batteris and switch to battery supply without restarting the board.
My idea was to have 12v / 9v DC adapter connected to this battery circuit, where it...
I have a 3G USB modem (Reliance netconnect). I want to share my internet with other computer in my home.
I am able to establish a seperate network between laptop and other computer in 192.168.0.x and have Internet in Laptop.
Now i want to share the internet connection in my computer...
I have TI's stellaris board with ethernet connection. I have connect it to my router.
I want to make this board tweet different parametter in regular interval.
What are the things required to make my controller to tweet.
Thanks and Regards,
Ashok Kumar P
I have not connected my scope in it. When monitor the line with multimeter, i can observe 0v when in idle. when will be the max and min voltage in T2OUT pin? is it safe to connect the scope. (i am using small usb scope).
Yes. In one end it is Hyperterminal and another end it is mcu.
I have made this board as a standalone board, so that i can use it for any of my prototypes.
For testing the adapter board i didn't use the mcu board, to remove complexity in debugging the board.
Hope you got my test setup and...
This is circuit i used. I didn't connect any mcu to my serial adapter board.
I am transmitting 'A' from terminal and i am getting the same in R2OUT pin. when i connect a jumper for loopback, it is not working. Not able to receive the character back in terminal.
For testing, i attached tx and Rx pins, expecting a loopback. pins are not connected to MCU.
TX T2OUT pin has 0V when measured at idle time and R2IN has -6v. is it correct. i am using MAX3232 with 3.3v power supply.