12 Threads found on edaboard.com: Interfacing Optocoupler
I would like to isolate the control side of the circuit from the power side by using an optocoupler. As shown in the picture below, I connected the anode of the scr to the collector of the optocoupler bjt and then connected the emitter to the gate (with a resistor and a schottky diode in between). But I'm worried that the (...)
Power Electronics :: 11-08-2016 05:57 :: JonathanRalph :: Replies: 7 :: Views: 271
Does this circuit work well? Application : to control speed of ceiling Fan or to control brightness of a Light bulb.
Components : MOC3021 (optocoupler), BTA12 600 (TRIAC)
Thank you !
Microcontrollers :: 10-08-2014 12:10 :: tushki7 :: Replies: 3 :: Views: 2288
i am working on project in which i have to fetch data from a 3 phase ac power supply and monitor it and correspondingly control a water pump depending upon the power supply status. Please guide me about the sensors and the controllers that i can use .
Thanking you in advance
Hobby Circuits and Small Projects Problems :: 05-30-2013 03:01 :: shiven :: Replies: 4 :: Views: 958
please, can you help me?
To this day I use optocoupler PC817 to interfacing atmel or pic input with other devices - switches, relay contacts, etc.
Now I make redesign of pcb and need smaller size. pc817 is very big. I need some another circuit such as transistor, zener diodes etc. Connection will be same - switch NO NC, or contact of
Microcontrollers :: 08-01-2012 16:50 :: darksir :: Replies: 3 :: Views: 1044
please tell me how to interface single phase energy meter with 16f73 via optocoupler
Microcontrollers :: 07-02-2012 02:36 :: uett :: Replies: 1 :: Views: 804
I want interface the mechanical relay with FPGA. Can any body help me. Please send me the circuit. I want use the following things: MCT2E, SL100 and IN4007. I am waiting for ur response.
PLD, SPLD, GAL, CPLD, FPGA Design :: 12-05-2010 23:40 :: rajnaren5 :: Replies: 3 :: Views: 1311
I am using "ADC0804 with optocoupler" and 8051 for measuring Analog Voltage.
Now I want to use MCP3202 which is SPI Protocol Based, Becasue is required
Less pins to interface with 8051 Microcontroller.
I have read from datasheet that It required ?Anti-Aliasing Analog"
which is MCP601".
My Question is that How I know MCP601 i
Microcontrollers :: 04-06-2009 13:53 :: karan123 :: Replies: 0 :: Views: 2287
hi all, i'd like to find out more about this and would appreciate any help. the ignition (rpm) signal is at 12v and is a square wave signal.
what would be the best way to interface this signal to a microcontroller? do i have to use a comparator or adc or some other way?
thanks for any help.
Analog Circuit Design :: 12-11-2008 18:54 :: 4eftefj :: Replies: 4 :: Views: 1502
give me the idea about isolation circuit
i mean any means to isolate the main circuit while interfacing with power line
normally for power line communication to transmit/receive data
isolation circuit may be any form of transformer
Other Design :: 07-13-2006 04:02 :: Suraj Shrestha :: Replies: 2 :: Views: 1515
Your post says that this is a "Sensor interfacing circuit" but I actually don't know where is your sensor !!!
If I'm correct then I guess the sinusoidal function generator represents the sensor, that's why you mentioned it's voltage changes from 0.6V to 40V.
The only thing I couldn't figure is how may the sensor change with a frequency of 100Hz?
Hobby Circuits and Small Projects Problems :: 06-01-2006 03:23 :: Ahmed Ragab :: Replies: 9 :: Views: 1869
I do ZCD for AC Power lines.
I read application note of Microchip AN521. This application note explain for interfacing AC Power lines directely connect with Microchip I/O Pin.
My Problem is they told Phase connect with I/O pin of microchip but they cannot mention what about connection nutral.
Is it required to connection of Nutral .?
Microcontrollers :: 04-07-2005 04:16 :: rahul_sanghavi :: Replies: 1 :: Views: 2541
interfacing between micro and ac 220 V you need optocoupler ang try controlling the motor using phase ship method
Microcontrollers :: 12-29-2004 01:25 :: e_eja :: Replies: 10 :: Views: 6101