Secure and Smartphone-Assisted Reprogramming for Wireless Sensor Networks Based on Visible Light Communication

<div>Sensor node and current-monitoring circuit: (a) TelosB sensor node; (b) packaged TelosB with light hole; (c) current-monitoring circuit with MAX9928.</div>

Wireless Communications and Mobile Computing

fig5

Figure 5

Figure 5: Secure and Smartphone-Assisted Reprogramming for Wireless Sensor Networks Based on Visible Light Communication 