ne555

I have a clock, based upon a NE555 oscillator, with its pin 3 (Q) being fed into a pin 1 of CD4069 However the signal from output of pin 2 of the CD4069 is incorrect. Pin 1 input = 0 volt the output of Pin 2 = 10 volts (which is correct) however when Pin 1 input = 10 volts the output of Pin 2...

Trying to switch P channel MOSFET IRF9540PBF-BE3 direct from NE555 Power supply is 12v DC Tried all? sample circuits from Google, but I just cannot get it to switch on or off The U15 LED is oscillating away, with 11V and no effect on U21 . But as soon as I connect the NE555 output signal to...

Hi All, I've attached a PCB layout I'm working on (minus the board itself). I set it up a funtional(?) version on a solderless breadboard first, BUT it doesn't work. I've been studing 555/4017 diagrams till I'm crosseyed and I can't figure out why... :confused: Thx, Joel

Hello friends, I am working on a project where I am only allowed to use analog components. I cannot use ICs, microcontrollers, or microprocessors. I plan to use a passive transducer pair as a motion sensor. The main component I need to use in my circuit is the 555 Timer. I will use the 555 Timer...

I'm totally new to PCB design. I'm struggling with this schematic circuit. Im trying to design its pcb layout using easyeda

Please help me fix this issue My ordered XH M601 just received today in sealed packed condition. I want to start charging at 11V and stop at 13V. So, I set the min voltage at 11V, and adjusted the RP1 to turn on the LED. Yes, the LED turn on, but for only about 3 seconds. Actually, it...

YAG ::= Yet AGAIN Hi Gang! I need some help with a NE555. I'm looking for a SLOW flasher preferably about 0.5 sec on and then off for 0.5 seconds. So my brain is getting rusty. ;)A 1-second astable oscillator with a 50% duty cycle. This flasher is for a warning lamp in a flight simulator and...

Hi all, above picture is a ne 555 flip flop circuit (1 off, 1 on) and vice versa. Lets say the red led receives an input (1) that is a constant dc voltage, how do I make the red led to go from dim to bright and then from bright to dim and vice versa with the blue led? Are there any schematic...

Hi readers, :) I found this at Click here This is an example of a disconnect and reconnect circuit using NE555. This means that the state of load will be (High, then, Low, them High). However, when I simulated using LT Spice it just give me (Low and High only). Does anyone know how to make the...

I have a need to turn off a load after set duration like 3min(have used different value of Capacitor and resistor) I am using a NE555 IC and going ahead with designing as shown below, my application in breadboard is working but I'll to press switch each time the off timer is needed to activated...

thank you for your help and and point in the right direction is appreciated.