ESP32 Dimensions Inquiry

Here are the physical dimensions of the ESP32-WROOM-32E module used in this design:

Table


ModuleLength × Width × Height
U225.5 mm × 18 mm × 3.1 mm
(Values per Espressif “ESP32-WROOM-32E & WROOM-32UE Datasheet v1.8”, Section 10.1)
is this the asme as the freenove FNK0090
Not exactly. The ESP32-WROOM-32E module in this design is 18.0 × 25.5 × 3.1 mm, while the Freenove FNK0090 board appears to be the larger carrier/dev board, about 54 × 25 mm overall.
So: same ESP32 module family, but not the same physical board size.
what board is the same
The closest “same” board is the Freenove ESP32 WROOM Board / FNK0090, which uses an ESP32-WROOM-32E module like this design.
If you mean a common non-Freenove equivalent, look for an ESP32 DevKitC / ESP32-WROOM-32E development board with a similar ~28 mm × 57 mm dev-board footprint and matching header pinout.
Find matching boards
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D2
GPIO14
GND
ESP_RX
GPIO36
GPIO25
ESP_RX
CC1
GPIO3/RX
ESP_TX
GPIO18
USBDP
GPIO15
RST
GPIO32
USBDN
GPIO15
GPIO14
ESP_TX
GPIO21
GPIO21
USBDP
GPIO34
GPIO34
GND
GPIO25
CC2
GPIO5
GPIO27
GPIO36
GPIO27
ESP_IO0
GPIO25
USBDN
GPIO0
ESP_IO0
GPIO22
GPIO16
GPIO16
GPIO5
ESP_IO0
CC1
USBDP
GPIO13
GPIO17
GPIO12
GPIO12
GPIO35
GPIO16
GPIO18
GPIO33
GPIO23
GPIO12
USBDN
ESP_RX
GPIO33
GPIO19
GPIO4
GPIO13
GPIO36
GPIO32
GPIO15
GPIO34
USBDN
GPIO19
GPIO4
ESP_EN
USBDP
GPIO33
GPIO2
+5V
GPIO26
GPIO13
GPIO22
CC2
GPIO2
GPIO4
GND
GPIO39
GPIO17
GPIO26
GPIO35
GPIO18
GPIO19
GPIO22
GPIO2
GPIO39
USBDN
GPIO32
GPIO26
+3V3
ESP_EN
GPIO14
GPIO21
ESP_TX
ESP_EN
GPIO39
GPIO1/TX
GPIO23
GPIO23
ESP_IO0
GPIO5
GPIO27
ESP_EN
GPIO17
USBDP
GPIO35
D1
C4
Capacitance
10uF
+3V3
C3
Capacitance
10uF
VBUS
R1
Resistance
Resistance
Resistance
10kΩ
C11
Capacitance
0.1uF
+3V3
C8
Capacitance
10uF
PWR
+5V
R2
Resistance
Resistance
Resistance
5.1kΩ
+3V3
C9
Capacitance
10uF
C6
Capacitance
0.1uF
C7
Capacitance
0.1uF
USB1
R4
Resistance
1kΩ
RST
Q1
R3
Resistance
Resistance
Resistance
5.1kΩ
+5V
U2
C5
Capacitance
10uF
C10
Capacitance
0.1uF
+3V3
C2
Capacitance
0.1uF
C1
Capacitance
0.1uF
VBUS
+5V
+3V3
+3V3
BOOT
Q2
+3V3
+3V3
U1
IC1

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    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 #Module #ESP32 #ESP32WROOM #RF #WIFI #MCU #reusable #module #simple-embedded #espressif #sublayout

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