Want to practice soldering components without the fear of destroying expensive equipment? Try out this neat little kit!

This project is a simple ultrasonic metering distance sensor(HC-SR04) with a 3 digit display

Specifications

• Input voltage: DC 4.5-5.5V
• Batterys: 3xAA(not included)
• The bottom plate size is 6 * 7CM
• After adding a probe, the overall size is approximately 6 * 9 * 3CM
• DIY bulk weight 80 grams;