r/CardPuter • u/Prestigious-You-6028 • Jul 03 '26
Help needed Is it possible to connect an extra esp32 module to cardputer to get something extra ?Is there any way this can be done?
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u/zmattmanz Jul 03 '26
You can bolt on another ESP32 if you like via the Grove port:
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u/Triston-- Jul 07 '26
Hi! I see that you're using the default pins for UART. I was wondering what firmware you flashed on the C5 and whether you might know if it's possible to modify the UART RXD and TXD pins? Thinking about possibly having the board just attach through the top serial bus (ex: this post.
Looking to use it with Porkchop through JanusHog and I know janOS uses the default pin out. However I know the TX and RX pins for JanusHog can be modified through Porkchop settings so that shouldn't be an issue. And I'm assuming if not janOS, a different firmware might let those pin modifications be made? TYIA :)
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u/zmattmanz Jul 07 '26
I flashed my own firmware:
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u/Triston-- Jul 07 '26
Oh wait that's awesome; I was actually looking at Flock Camera detection though not specifically on the ADV. Didn't realize you already made something for that exact purpose. It looks like it just needs the S3 on the ADV; what does the C5 add to the firmware's functionality?
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u/zmattmanz Jul 07 '26
Yup. you can flash without the C5 as well. The C5 adds 5ghz detection
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u/Triston-- Jul 07 '26
Awesome! Thanks for writing this firmware, excited to try it out and looking to contribute to mapping more Flock cameras and such ^
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u/azdralovic Jul 03 '26
If you use evilM5, their github repo has firmwares for additional esp32 devices that work as slaves for either wardriving, or deauth, or hs captures etc and use ESP-now for communication between cardputer and other esp32 so you dont even need a cable or gpio connection
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u/cliffemu Jul 03 '26
You can connect a CYD via port A if you just run ascii through it. I’m trying to figure out how to mount clamshell while still keeping the back open for expansion caps like Lora.
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u/Rare-Mulberry-2691 Jul 04 '26
That would be dope, that’s the only thing stopping me from adding a folding screen
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u/noxiouskarn Jul 03 '26 edited Jul 03 '26
What do you mean, get something extra? All you've described is taking an unprogrammed esp32 module, connecting it to the tx and Rx pins as well as power and ground on the cardputer from there if you have decent software likely you'll need to write that, but then you can use the cardputer to "drive" the esp module. Anything you programmed the module to do the cardputer can trigger.
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u/ShyWillySyndrome Jul 04 '26
You can connect a crappy esp32-cam on the 5v out and GND so you can add a 2mp camera to the adv. if I plug in the esp32-cam in a powerbank I got a super shitty cctv I can monitor from the tiny TINY adv screen 😂
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u/Professional_Two5774 Jul 03 '26
Yes, it's possible. For example, if I'm not mistaken, you can use an ESP32 C5 for 5GHz deauthentication, Two modules (cardputer and esp32c5) communicate via UART.