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// Verdron Labs — Circuit Kit Instructions

Kit Instructions.

Step-by-step guides for every Verdron Labs circuit kit project. Always read all instructions and safety notes before starting.

// Project 1

LED Project

Build a simple LED circuit using a battery, resistor, and alligator clips.

Supplies:  1× 9V Battery (not included)  |  1× LED  |  1× Green Clip (470 Ω) Resistor  |  2× Alligator Clips  |  1× Alligator Clip Lead

⚠️ Safety First

  • Don't touch both battery terminals at the same time.
  • Always include a resistor with the LED to keep your LED from breaking.

Now for the construction!

  1. 1

    Choose the green clip resistor. Attach one of the resistor's clips to the positive (+) side of the battery. The positive side has the smaller connection.

  2. 2

    Identify LED leads. The anode (positive) is the long lead; the cathode (negative) is the short lead.

  3. 3

    Connect resistor to LED. Attach the other end of the resistor to the LED anode (long lead) so metal touches.

  4. 4

    Wire the other side of the battery. Connect the cathode (shorter lead) of the LED to the bigger terminal of the battery — the negative side. Use the alligator clip lead.

  5. 5

    You're done! The LED should turn on. If not, try turning it around and connecting each wire to the other sides.

Still not working? Make sure all connections have metal touching and are not loose. Check the video library for more help.
Watch the Video →
// Project 2

Buzzer Project

Build a buzzer circuit with a push switch. Press the button — the buzzer sounds!

Supplies:  1× 9V Battery (not included)  |  1× Buzzer  |  1× Black Clip (150 Ω) Resistor  |  1× Small Push Switch  |  2× Alligator Clips  |  1× Alligator Clip Lead

⚠️ Safety First

  • Don't short battery terminals.
  • Make connections secure so clips don't touch each other accidentally.
  • Always use a resistor between the buzzer and one side of the 9V.

Now for the construction!

  1. 1

    Identify the buzzer terminals. Find the positive (anode) and negative (cathode). There is a (+) next to the anode.

  2. 2

    Connect the buzzer's positive terminal to the battery's positive terminal using an alligator clip. Make sure only the (+) side is touching.

  3. 3

    Connect the black clip 150 Ω resistor to the negative side of the battery. The negative side is bigger, marked (−).

  4. 4

    Connect the switch to the free end of the resistor. Clip the resistor to one terminal of the small push switch.

  5. 5

    Connect buzzer's negative terminal to the switch using the alligator clip lead. Clip one side to the buzzer's negative terminal, the other to the free terminal of the switch.

  6. 6

    You're Done! Press the push switch — the buzzer should sound while pressed.

If nothing happens: Check buzzer polarity and that all clips have tight metal-to-metal connections. Try removing the switch and connecting the clip lead straight to the buzzer and resistor.
Watch the Video →

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