Chemistry · Electrochemistry
Build a lemon battery and compare fruits
Make cells from fruit, zinc and copper, measure their voltage and light an LED with several in series.
- Easy
- 1–3 hours
- Under 250
606 projects · 13 streams · every class
Multimeter projects 14
Student projects that use Multimeter, from first builds to portfolio pieces, each with steps, materials and a report outline.
14 projects
Physics · Modern Physics
Measure Planck's constant with LEDs
Find the turn-on voltage of LEDs of different colours and get Planck's constant from the slope.
- Advanced
- 2–7 days
- 250–500
Electronics and Communication · Analog Circuits
Build a clap switch
Switch an LED or a low-voltage lamp on and off with a clap.
- Easy
- 2–7 days
- 250–500
Environmental Science + Electrical Engineering
Build a wind turbine and find the best blade design
Build a small wind turbine on a DC motor and test how blade number, angle and length change the voltage.
- Intermediate
- 1–2 weeks
- 250–500
Physics · Current Electricity
Verify Ohm's law and find where it fails
Plot current against voltage for a resistor and a bulb and explain the difference.
- Easy
- 1–3 hours
- Under 250
Physics · Electromagnetism
Build a simple DC generator and light an LED
Wind a coil, spin magnets inside it and measure the voltage you generate.
- Intermediate
- 2–7 days
- 250–500
Chemistry · Physical Chemistry
Investigate which liquids conduct electricity
Build a simple conductivity tester and sort solutions into electrolytes and non-electrolytes.
- Beginner
- 1–3 hours
- Under 250
Electrical Engineering + Physics
Build a wireless power transfer demo
Light an LED with no wire connection using two coils and an oscillator.
- Intermediate
- 2–7 days
- 250–500
Electrical Engineering · Renewable Power
Design a solar-powered phone charger
Build a charger from a small solar panel, a regulator and a power bank module, and measure its output.
- Intermediate
- 1–2 weeks
- 1,000–2,500
Electrical Engineering · Power Systems
Model a power grid with series and parallel loads
Show why power is transmitted at high voltage using long thin wires and small bulbs.
- Intermediate
- 2–7 days
- 500–1,000
Electronics and Communication · Digital Circuits
Design a digital clock from logic ICs
Build a clock with counters, decoders and seven-segment displays, no microcontroller.
- Advanced
- 2–4 weeks
- 500–1,000
Materials, Energy and Other Branches + Chemistry
Make and test a simple supercapacitor
Build a capacitor from activated carbon electrodes and salt water and measure its capacitance.
- Advanced
- 2–4 weeks
- 500–1,000
Electrical Engineering + Environmental Science
Generate electricity from a bicycle
Couple a DC motor to a bicycle wheel and measure the power a person can produce.
- Intermediate
- 1–2 weeks
- 1,000–2,500
Electrical Engineering · Generators
Make a hand-crank emergency torch
Build a torch that stores hand-cranked energy in a capacitor and lights an LED.
- Intermediate
- 1–2 weeks
- 500–1,000
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