Continue to Site

Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Register Log in
  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

simpliest led flasher

Status
Not open for further replies.
C

carmusic

New Member
is there a chip that is made for flashing a led maybe a 1 or 2hz, i would like no external component (no capacitor, resistor) just the ic and the led
or what would be the simpliest way using transistor and resistor capacitor
or using an one op-amp (lm358)

it don't need to be adjustable
 
carmusic said:
is there a chip that is made for flashing a led maybe a 1 or 2hz, i would like no external component (no capacitor, resistor) just the ic and the led
or what would be the simpliest way using transistor and resistor capacitor
or using an one op-amp (lm358)

it don't need to be adjustable
Click to expand...

Yeah, this is it.
 

Attachments

  • Square-wave.GIF
    Square-wave.GIF
    3.3 KB · Views: 287
Last edited:
Status
Not open for further replies.

Similar threads

M
  • Question
Audio activated LEDs
Replies
14
Views
2K
Tony Stewart
Tony Stewart
A
  • Question
Led Torch schematic - thoughts?
Replies
10
Views
1K
augustinetez
A
1
  • Solved
Marque LED chaser
Replies
2
Views
801
rjenkinsgb
rjenkinsgb
Electroenthusiast
Weird Display on LED screen
Replies
7
Views
950
ZipZapOuch
ZipZapOuch
StudentSA
  • Question
Controlling a LED from lower voltage signal
Replies
11
Views
2K
Pommie
P

Latest threads

New Articles From Microcontroller Tips

Back
Top