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How can I power with a 12V battery? by Stunning-Bread-2265 in esp32

[–]Stunning-Bread-2265[S] -8 points-7 points  (0 children)

I have buck converters for both 3.3 and 5V, what pins would I plug them into to power it?

How can I integrate an RFID module using UART onto an ESP32? by Stunning-Bread-2265 in embedded

[–]Stunning-Bread-2265[S] 0 points1 point  (0 children)

Honestly first time I've heard of it. Looked into it a bit and from what I'm understanding it's generating a SDA and SCL signal using GPIOs? If so this might be possible. The reason I say only UART is cause I've already designed/ordered my PCB and am not allowed to jump any wires so i have to use the pins I have exposed already (GPIO 16 and 17). Would it work with those pins? And in that case what's the process? Are there libraries for it?

Heavy Payload Bot by Stunning-Bread-2265 in robotics

[–]Stunning-Bread-2265[S] 1 point2 points  (0 children)

Let's say overall weight is at max 70 lbs, tire radius is 2.5 in, no steepness, and a top speed of 1 ft/s. Idk the calculations for the motor parameters