I need some help with a circuit layout (or 2 ) for the following project.
I would like to use 555 timers if possible as I have a few around from previous projects (if there is a better way then I can use whatever is the better option).
The circuits need to run on 12 volt DC.
I have had a look at some of the designs already provided on this site but none seem to be quite what I need, I could probably nest a few of the current circuits together to achieve what I need but I was hoping there is a simpler a more compact way of doing it.
The circuits are only to run a couple of extra features in my Daughters Cubby House.
The cubby house is fitted with a small kitchen that has a microwave and conventional oven as part of the unit, I have already fitted the microwave with a momentary action switch that triggers a timer to feed power to the LED controller that then powers a LED light strip that is inside the microwave, this flashes to produce a visual effect of something happening inside the microwave, when the time is up (approx. 15 to 20 seconds) a piezo emits a small beep to signal the end of the time. The oven does something similar except that it only flashes red and doesn't currently have a sound at the end of the time.
I would like to create a new circuit or 2 that can do the following.
The first circuit needs to be timer with a beep - beep - beep sound at the end of the time the circuit is on, this is to replicate a microwave, I would like the circuit to provide power to the RGB controller (only needs to switch the 12 volt +) I would like it to provide power for approx. 15 to 20 seconds (actual time is not critical) and then when the time is up produce the 3 beeps through a piezo speaker (if this is difficult or complex I already have a separate piezo that can be setup as a vehicle reversing beeper , if the circuit could provide power to this for a specific period of time I could adapt it to produce the required beeps, although I would prefer the circuit to produce the beeps through the already fitted piezo).
The second circuit needs to do basically the same thing except at the end of the time I would like the circuit to produce a Ding - Dong (like a door bell) this would be for the oven section of the kitchen.
If its easier for both circuits to be on the same board (maybe they could share some components) that may save some space or if its easier to have them separate, which ever is easier to construct would be fine. Each circuit is triggered by a separate momentary action switch so they could be independent of one another, if each circuit needed a separate piezo for the sound I can simply add another.
As I only have a limited knowledge of these electronic parts i would like the circuits to be a simple as practical.
If anyone has any ideas or could provide a circuit layout I would be much appreciative.
Thanks
Corey
I would like to use 555 timers if possible as I have a few around from previous projects (if there is a better way then I can use whatever is the better option).
The circuits need to run on 12 volt DC.
I have had a look at some of the designs already provided on this site but none seem to be quite what I need, I could probably nest a few of the current circuits together to achieve what I need but I was hoping there is a simpler a more compact way of doing it.
The circuits are only to run a couple of extra features in my Daughters Cubby House.
The cubby house is fitted with a small kitchen that has a microwave and conventional oven as part of the unit, I have already fitted the microwave with a momentary action switch that triggers a timer to feed power to the LED controller that then powers a LED light strip that is inside the microwave, this flashes to produce a visual effect of something happening inside the microwave, when the time is up (approx. 15 to 20 seconds) a piezo emits a small beep to signal the end of the time. The oven does something similar except that it only flashes red and doesn't currently have a sound at the end of the time.
I would like to create a new circuit or 2 that can do the following.
The first circuit needs to be timer with a beep - beep - beep sound at the end of the time the circuit is on, this is to replicate a microwave, I would like the circuit to provide power to the RGB controller (only needs to switch the 12 volt +) I would like it to provide power for approx. 15 to 20 seconds (actual time is not critical) and then when the time is up produce the 3 beeps through a piezo speaker (if this is difficult or complex I already have a separate piezo that can be setup as a vehicle reversing beeper , if the circuit could provide power to this for a specific period of time I could adapt it to produce the required beeps, although I would prefer the circuit to produce the beeps through the already fitted piezo).
The second circuit needs to do basically the same thing except at the end of the time I would like the circuit to produce a Ding - Dong (like a door bell) this would be for the oven section of the kitchen.
If its easier for both circuits to be on the same board (maybe they could share some components) that may save some space or if its easier to have them separate, which ever is easier to construct would be fine. Each circuit is triggered by a separate momentary action switch so they could be independent of one another, if each circuit needed a separate piezo for the sound I can simply add another.
As I only have a limited knowledge of these electronic parts i would like the circuits to be a simple as practical.
If anyone has any ideas or could provide a circuit layout I would be much appreciative.
Thanks
Corey