Official Projects
Official Projects (to get your project posted, please fill in a Post-a-Project form at the bottom of the page):
Mole Be Gone
By BEP
Parts:
- 1 × 6 V solar panel
- 1 × 6 V buzzer
- 3 in PVC pipe
- 1 yd PVC pipe
- Superglue
Use this set of instructions and the pictures to help you build it:
Water Sensor
By BEP
This is a project on how to build a water sensor.
You will need:
- 2 × 1 kΩ resistors
- 1 × 10 kΩ resistor
- 2 × NPN transistors
- A few wires
- 1 × LED
- 1 × 9 V battery
You can copy how to build it from this picture:
The end product should light up the LED when it detects water. If not, rebuild it and try again.
Post-a-Project
We will contact you via email once your project has been reviewed.