Proxmark3 PR for booster board

For everyone with a booster board installed, this is a familiar sight when running hw tune

@Iceman we wanted your opinion. We are preparing a PR that checks the HF antenna voltage range we find typical of a functional PM3 Easy with booster board installed - between 2.55 and 2.75 volts - and presents this alternative text;

[=] -------- Reminder ----------------------------
[=] hw tune doesn't actively tune your antennas.
[=] It's only informative.
[=] Measuring antenna characteristics...

[=] -------- LF Antenna ----------
[+] 125.00 kHz ........... 21.60 V
[+] 134.83 kHz ........... 14.38 V
[+] 116.50 kHz optimal.... 25.10 V
[+]
[+] Approx. Q factor measurement
[+] Frequency bandwidth... 6.2
[+] Peak voltage.......... 7.3
[+] LF antenna............ ok

[=] -------- HF Antenna ----------
[+] 13.56 MHz............. 2.69 V
[+]
[+} Your HF antenna measurement shows
[+] low voltage that is consistent
[+] with the installation of a booster
[+] board. If you do not have a 
[+] booster board installed, either 
[+] your antenna is malfunctioning or
[+] you have a tag on the HF antenna.

[=] -------- LF tuning graph ------------
[+] Orange line - divisor 95 / 125.00 kHz
[+] Blue line - divisor 88 / 134.83 kHz


[=] Q factor must be measured without tag on the antenna

Any feedback is appreciated before we submit the PR.

6 Likes

This would be huge. It’s my number one support issue.

5 Likes

I should hope this gets PR’d in before the new release.

5 Likes

It ended up being trickier than it seemed. TLDR, if anyone wants to test the fix and let us know if they run into issues, it is here: GitHub - dangerous-tac0s/proxmark3 at hw-decay-hf-ringdown

3 Likes

Merged :smiley:

5 Likes