Electromagnetic interference problems can be a real headache to debug. If you need to prove what causes your WiFi to slow down or your digital TV signal to drop, then the ability to measure electro… ...

The flexible sensors resist electromagnetic noise, temperature, and humidity fluctuations and are 0.015-in. thick with a 25-by-25 grid of resistive sensing points over a 2-in. square.

Now, with this tiny board, you can bring heat vision into any of your Arduino/Raspberry Pi DIY projects. At $350, it’s one of the more expensive Arduino accessories you can buy.