Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
i am making a small home automation circuit to control a relay using ir remote.
i want to make flexible by making it to use any remote
for that i want to add hex data into eeprom from ir remote. and use it later use
i want to add hex file programatically in attiny85.i want a procedure to how...
thanks for the speedy reply rajik
i have tried it using a mosfet irf540
but there is a voltage drop from 5.5 to 4.6 which makes the circuit failure
i need a bjt or mosfet with low or nill voltage drop
can u please suggest me one
i am trying to power a circuit using attiny85 and tsop taking input through ir remote
the circuit consumes 5v and 2 amps
currently i am driving it using a 5volt relay.
i want to drive the circuit using a transistor
i am confused which transistor to use instead of the relay...
i am currently designing a remote control using ht12e
i am able to control six switches using three io pins
but i want 12 switches with 4 io pins
as i can use 4 io pins of ht12e as data pins i want 12 switches to control these 4 io pins
i cannot use any external ic or encoder...
i want to decode nec format using 89s52 micro
and i have develoed the code but im unable to get where is the problem.
first thing i want to know is the code correct
secondly can i have any c sample code to decode nec format using 89s52 ...if the code is using 89c2051 i will b gladfull...
for the solution of this u can use goto statement and let the arduino wait for command
check this out i have rewritten the code with ur requirement
val=digitalRead(pinB); // read data
if(pinB == HIGH)
Serial.println("PINA ON"); //write serially
i am using 89s52 micro controller to drive a individual circuit,.i.e i have to power a raspberry pie using 89s52.
the raspberry needs 5 volts,1amp miniimum to power it
i have used a relay to power it but in the cirvuit i have limitation for space
so i have opted for mosfet IRF540 with...
thanks Mr. BradtheRad
74154 pulls only one segment to low at a time but for multiplexing i need all segments to low and the display which has to be changed shud b high....im little bit confused again:-?can u suggest me how to do it
- - - Updated - - -
yes tat's a good idea mr.jpsganesh but im...
im doing a temparature display using pt100 and pic18f452.
i am using 8 pt100 sensors, ie..8 channel inputs..
i want the temparature to be displayed on the seven segment displays
so for that to do i need atleast 2 seven segment displays for each channel
1pt100 sensor=2 seven...
im am trying to make a data logger to save temparature of 8 different places(i.e 8-channel)
i have selected pic 18f452 so tat i have lot many pins to interface multiple seven segment display(say 16)
i need to take the temparature inputs and display them on seven segment display and...
i am a begginer in embedde systems and i am trying to do a project
firstly i have tried doing a circuit for blinking led
the code works but the output coming from output pins is very low(abt 1.89volts)
what may be the problem please reply me soon
here's the schematic