An Overview of the 555 Timer

August 17, 2016

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Electronics

555, The low cost timer IC that widely used as commercial timer ic. 555 is also popular to the students, electronics hobbyists for its simple interface and cheap rate. 

Here the 555 timer & its pin out,

555

internal diagram of 555

Pins:

1. Ground : Connected to the 0V.
2. Trigger : Detects 1/3 of rail voltage to make output HIGH
3. Output : Result output
4. Reset: To reset must be taken under .8V
5. Control :To vary timing of RC network
6. Threshold : Detects 2/3 of rail voltage to make output LOW
7. Discharge : Discharge
8. VCC : Connected to the supply

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Arduino maze solver

August 12, 2016

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Tutorial

• I have only 7 days left from contest called robo run.
• I noticed that maze solver is needed not line follower.
• No idea about maze solving.
• After hard work of 7 days & also many failed attempts,
• It’s done.      

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