Flashing heart

Item number 58139 Brand Velleman Model WSL213 Share Write a review
Flashing heart


Discover this interactive soldering kit that reacts to movement. As soon as someone approaches, the red LEDs flash in the rhythm of a heartbeat.

The kit includes a heart-shaped circuit board that can be left upright after assembly. Solder the 24 red LEDs and many other components to the circuit board.

The gadget with heartbeat effect detects movements from xx cm. How is this possible? The kit includes an infrared light and an infrared receiver. As long as the infrared receiver detects the infrared light, the LEDs do not light up. As soon as the infrared light is stopped, the LEDs start flashing.

  • 24 x 5 mm rode led
  • heartbeat effect
  • built-in IR receiver module
  • ATTiny85-20PU-microcontroller
  • on-off switch

  • power supply: 9V battery (not incl.)


Brand information
Brand Velleman
Size info
Length3,8 mm
Width15,8 mm
Height15,5 mm
Weight85 g
€ 18,50€ 15,30 Excl. VAT (NL)
Out of stock In stock with supplier
Delivered in 3 to 7 days
9V Battery
Show more results
Shipped from € 3,50 (NL) 30 days cooling-off Excellent service

Related products

Customer questions

Customer Reviews

Flashing heart Click a star to leave your review

Recently viewed items

Webwinkelkeur Kiyoh Trustpilot Opencircuit