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#jtag#smartmeter#hardwarehacking

When does 3V = 240V??

RECESSIM

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Advanced. Deep dive for people who know the field.

19K views4 years ago1 recommendation

HardwareSecurityEmbedded systemsReverse engineeringElectronics

RECESSIM explains how to safely power a smart meter from 12V instead of 240V by injecting a sine wave to enable JTAG debugging.

*BECOME A PATREON!* patreon.com/RECESSIM In this episode I figure out how to power the smart meter from 12V instead of 240V so we can safely connect a JTAG port to the computer over USB. There is danger in blowing up the smart meter, JTAG adaptor or computer if we power the meter from 240V and plug it all together. I had to inject a small sine wave into the meter to make it think it's connect to a 240V AC power source. Next video in the series: youtu.be/A6y7rw3XRJg recessim.com/ twitter.com/BitBangingBytes tiktok.com/@bitbangbytes discord.gg/3ebeyMP github.com/BitBangingBytes wiki.recessim.com/view/Advanced_Metering_Infrastructure

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What people say. Shared as an interesting hardware reverse engineering project demonstrating how to safely interface with high-voltage smart meters.

u/BitBangingBytesin r/ReverseEngineering • Recommends

Tricking a Smart Meter to run on 12VDC by injecting a 600mV sine wave