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list all U4 pins in a table format. For each pin provide its pin number, pin nam...
pxrv

pxrv

@copilot list all U4 pins in a table format. For each pin provide its pin number, pin name and function.
1y

copilot

Here's a table detailing the pins for the BME280 component designated as U4 in your project:

Table

Pin NumberPin NameFunction
1GNDGround
2CSBChip select (Input)
3MOSIMaster Out Slave In
4SCKSerial clock input
5MISOMaster In Slave Out
6VDDIODigital / Interface supply
7GNDGround
8VDDAnalog supply
If you have any further questions about U4 or need additional information, feel free to ask!
1y
pxrv

pxrv

how do I connect this to the rest of the schematic
1y

copilot

To connect the BME280 sensor (U4) to the rest of your schematic, follow these steps:
Power Connections
  • Connect U4:VDD to +3V3.
  • Connect U4:VDDIO to +3V3.
  • Connect both U4:GND pins (1 and 7) to GND.
Interface Connections
Assuming you're using SPI for communication:
  • Connect U4:CSB to a GPIO pin on your ESP32-WROOM-32E that you'll configure as a chip select $CS$.
  • Connect U4:MOSI to a corresponding MOSI pin on your ESP32, perhaps U2:IO23 $GPIO23$.
  • Connect U4:MISO to a corresponding MISO pin on your ESP32, such as U2:IO19 $GPIO19$.
  • Connect U4:SCK to a SCK pin on your ESP32, like U2:IO18 $GPIO18$.
Final connection format:
  • Connect U4:VDD to +3V3.
  • Connect U4:VDDIO to +3V3.
  • Connect U4:GND to GND, GND.
  • Connect U4:CSB to U2:IO22.
  • Connect U4:MOSI to U2:IO23.
  • Connect U4:MISO to U2:IO19.
  • Connect U4:SCK to U2:IO18.
Please ensure that these GPIO pins match your intended configuration in your ESP32 firmware. The pins I've suggested are typical for a basic SPI setup, but feel free to adjust them according to your specific application and available pins.
1y
1
D2
ESP_RX
GPIO22
GPIO36
ESP_RX
CC1
ESP_TX
GPIO18
USBDP
GPIO19
USBDN
GPIO15
GPIO14
ESP_TX
GPIO21
USBDP
GPIO34
GPIO34
GPIO25
CC2
GPIO27
ESP_IO0
GPIO25
USBDN
ESP_IO0
GPIO22
GPIO16
GPIO5
ESP_IO0
CC1
USBDP
GPIO13
GPIO17
GPIO12
GPIO35
GPIO16
GPIO18
GPIO33
GPIO12
USBDN
ESP_RX
GPIO33
GPIO19
GPIO4
GPIO36
GPIO32
GPIO15
USBDN
ESP_EN
USBDP
GPIO2
GPIO26
GPIO13
GPIO22
CC2
GPIO2
GPIO4
GPIO39
GPIO26
GPIO19
GPIO39
USBDN
GPIO32
GPIO18
ESP_EN
GPIO14
GPIO21
ESP_TX
ESP_EN
GPIO23
GPIO23
ESP_IO0
GPIO5
GPIO27
ESP_EN
GPIO23
GPIO17
USBDP
GPIO35
D1
C4
Capacitance
10uF
+3V3
C3
Capacitance
10uF
U4
VBUS
R1
Resistance
Resistance
Resistance
10kΩ
C11
Capacitance
0.1uF
+3V3
C8
Capacitance
10uF
+5V
R2
Resistance
Resistance
Resistance
5.1kΩ
+3V3
C6
Capacitance
0.1uF
C7
Capacitance
0.1uF
R4
Resistance
1kΩ
R3
Resistance
Resistance
Resistance
5.1kΩ
+5V
C10
Capacitance
0.1uF
+3V3
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
VBUS
+5V
+3V3
+3V3
+3V3
+3V3
J1
PWR
C9
Capacitance
10uF
USB1
RST
Q1
J2
U2
C5
Capacitance
10uF
BOOT
Q2
U1
IC1

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    ESP32-WROOM-32E Reference Design-removebg-preview.png

    ESP32-WROOM-32E Reference Design-removebg-preview.png

    ESP32-WROOM-32E Reference Design-removebg-previewThumbnail

    ESP32-WROOM-32E Reference Design mEJA

    ESP32-WROOM-32E Reference Design mEJA thumbnail
    This project is a reference design for an ESP32-WROOM-32E based device. It features USB-C for power and data transfer, onboard voltage regulation, and multiple peripheral connections. It also includes a CH340C for USB to serial conversion #referenceDesign #project #ESP32 #ESP32WROOM #RF #WIFI #MCU #referenceDesign #simple-embedded #espressif #template #reference-design

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