Simple Voltage Level Indicator

About: i am an electronics hobbyist.

in this tutorial we will make a voltage level indicator circuit.

Step 1: Components Required:

1.2cm X 5cm zeroboard

2.5 x 1K ohm resistor

3.2 x Red LED

4.1 x Yellow LED

5.2 x Green LED

Step 2: Connection:

  • connect the all components according to circuit diagram.for more information please visit our youtube channel

youtube:https://www.youtube.com/watch?v=uplSHVB2lOc&t=8s

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    8 Discussions

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    TedA23

    3 months ago

    Was time to change batteriets, so did a rebuild of the soldering fan :). And love the simple indicator!

    IMG_20190114_094403.jpgIMG_20190114_094413.jpgIMG_20190114_094447.jpg
    1 reply
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    TedA23

    3 months ago

    Needed to test and it works!
    Did go my way, not a royal look but it does give a more colourfull look to the soldering fan.

    3 replies
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    TedA23Electronics Hour

    Reply 3 months ago

    No problems.
    Now have the green led nearly gone dead.

    3x3,7V 18650 in serie. All 3 was recharged to 4V when the charge was done. So three days so far.

    IMG_20190110_131746.jpg
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    DIY Hacks and How Tos

    3 months ago

    Nice display design. These kinds of indicators are really useful for lots of different projects.

    1 reply