All Questions
12
questions
0
votes
0
answers
26
views
Troubleshooting power issue in LilyGo T4-S3 ESP32
I put a custom expansion board onto the nice T4-S3 devices' 2x15 header. But displaced by 1 pin (2 pins off) and shorted something out. Need help on how to troubleshoot and id the destroyed components....
0
votes
0
answers
48
views
Review of a rocket flight controller schematic
I am currently designing a model rocket flight controller, which is supposed to calculate the altitude using a barometer and accelerometer and fire two pyro channels for two stage parachute ejection. ...
- 97
0
votes
1
answer
118
views
How do I troubleshoot the ESP32 USB JTAG/UART interface on a new PCB design?
Question
How do I troubleshoot the ESP32 USB JTAG/UART interface on a new PCB design?
Background
My son is working on a project to track satellites and this is the first time that we have worked with ...
- 2,190
0
votes
1
answer
173
views
ESP32-C3 USB not working with Android
I want to connect an ESP32-C3 mini board (pictured below) to an Android phone, so that it can do all the WiFi stuff that Android no longer allows. The board works fine connected to my desktop computer ...
- 245
1
vote
0
answers
49
views
Protection considerations for powering a microcontroller circuit through USB-C/Micro-USB
I am working on a project which utilizes an Adafruit ESP32 Feather V2 microcontroller and has a bunch of components requiring 5V.
I will have everything on a perfboard and to power it more easily, I ...
- 11
0
votes
0
answers
237
views
Have I designed and routed my USB-C port correctly because when I connect my 3D printer I measure voltage on vcc
I have designed my usb-c connection as in the attached pictures, however whenever I connect my Ender-3 to it I measure between 1-2V on different parts of the circuit including the data pins on the ...
- 45
0
votes
1
answer
38
views
Issue in Firmware Upload
I have a PCB with ESP32-Wroom32 module and CP2012N is used as USB to UART converter for Firmware upload via Arduino IDE. Issue is when I connect USB of PCB to my PC then my Task manager is not showing ...
1
vote
2
answers
2k
views
How to power LILYGO ESP32-S3 1.9" T-Display without USB?
Noob question, I'm sure, but - I have one of these little LILYGO ESP32-S3 1.9" T-Display boards. Linked up with my PC, downloaded my code, runs fine, but I can't get the thing to power up from ...
- 31
0
votes
0
answers
151
views
ESP32 with Li-po PCB review request
I'm making a calculator based on the ESP32 and this is my second iteration of the PCB.
It's using a CH340C for USB to serial, and a TP4056, a DS01, and a SDB628 for battery charging/protection/...
0
votes
1
answer
479
views
using USB-C for connecting pins on esp32 to buttons and analog joystick
I'm trying to connect buttons and a Joystick that are on one board with an ESP32 on another board.
I'm trying to keep it as simple as possible and just connect a pin to ground to tell me when a button ...
- 123
1
vote
3
answers
1k
views
USB-C power microcontroller ESP-32-S2 and NeoPixels
I am working on making a custom PCB that powers an ESP32-S2, as well as roughly 40 NeoPixels using a USB-c connector.
I made my first set of boards (ever) and was thrilled the computer recognized it ...
- 143
2
votes
2
answers
5k
views
Is it possible to connect USB 3.1 Type C to ESP32?
So, I once looked at the pinouts of USB 3.1 Type C:
and I found out that there were RX and TX pins, but they had + and -. Is it possible to connect the serial pins to the ESP32,as there are two on my ...
- 21