for IoT ladies and gentleman

1. An easy conjuring trick
using LED

2. There are many many many events
at the end of the year.

3. You have to play some party stunt at those
party, but you don’t have any idea…

4. IoT ladies and gentleman,
I give an easy conjuring trick.

5. A LED, colors green, sometimes red.

6. You can choose the color as you like.

7. Exposure of trick

8. Exposure of trick

9. Exposure of trick
Bi-polar LED

10. caution

11. Must use load-limiting register.

12. or You’ll break this LED
POM!

13. Thanks a lot