Last minute geek

last minute tech news from around the net

Friday, Jan 19th

Last update01:00:00 AM

You are here: English instructables 555 Timer - Laser Ray

555 Timer - Laser Ray

User Rating: / 0
This circuit uses a 555 timer to make a noise that you can change the frequency of using different capacitors and resistors.Required Components -Breadboard-Wire-555 Timer-220k/Variable Resistor -470R Resistor-100n/10n Capacitor-10u/1u Capacitor-LED Light-8R Speaker-9v Battery and Connector-Button ...
By: manroopthind

Continue Reading »

Read all
Comment Policy:
We pre-moderate any comments and welcome all kinds of thoughts, supportive, dissenting, critical or otherwise. We delete or censor comments that are:

* abusive
* off-topic
* contain personal attacks, or against any company or organization
* promote hate of any kind
* use excessively foul language
* is blatantly spam or advertising

We do not discriminate based on the person who is posting, and we never censor comments for political or ideological reasons. We never delete an appropriate comment because we disagree with its viewpoint or ideology, and we never publish an inappropriate comment because we agree with or support its viewpoint or ideology.

Attention spammers: we manually approve all comments. Spamming and blatant advertising will NOT be published on this site and is deleted immediately, you've been warned, do not waste your time here.

Add comment

Security code