Turn the ESP32 into a software defined radio using the new ESP-SDR firmware.

The $10 SDR: Unlocking the ESP32’s Hidden Radio

Investigator515 explores infrared data exchange and looks at the development of light-based communication.

Before Bluetooth Ruled: When Devices Talked With Light

Investigator515 explores the anatomy of a transmitted signal and spectrum noise. 

The Anatomy Of A Signal: MHz, Bandwidth & Noise Explained

Investigator515 uses an ESP32 to build a drone Remote ID sniffer. 

The ESP32 Remote ID Sniffer

Investigator515 looks at the Remote ID protocol and some of the problems with it. 

The Signal You Can't Trust: Remote ID And The Drone Security Problem

Investigator515 looks at the wireless attack surface.

Attack Vectors: The RF Attack Surface

Investigator515 looks at how to deploy a RemoteID station on a Raspberry Pi

Drone Detection With DroneAware

Investigator515 looks at the impact satellite TV would have on civilian science. 

So What Do You Do With That Old Sat Dish Anyways?

Messages From Space: Intercepting Satellite ACARS

Investigator515 looks at the role the Faraday bag plays in wireless security. 

Radio & The Faraday Cage

Investigator | OSINT Analyst | Crypto Writer | Also publishing via: https://investigator515.substack.com | investigator515.bsky.social


Investigator515

16 Oct 2026

150

4 min read

14 Oct 2026

150

5 min read

11 Oct 2026

150

4 min read

3 Oct 2026

163

7 min read

25 Sept 2026

166

8 min read

20 Sept 2026

160

7 min read

16 Sept 2026

153

8 min read

6 Sept 2026

167

7 min read

2 Sept 2026

153

6 min read

19 Aug 2026

159

6 min read