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Board r4.turbocase

knewter·kvm-board·enclosure/board_r4.turbocase.kicad_pcb

Board r4.turbocase layout, top view — open source ESP32 board by knewter
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About the Board r4.turbocase

Board r4.turbocase is an open source ESP32 PCB design by knewter, published on GitHub. It is a 6-layer board measuring 102.7 × 91.4 mm, with 53 components from 31 distinct parts.

Its main chip is the ESP32_HDR2, from the ESP32 family. Other key parts include the AMS1117-3.3, AMS1117-1.8, AMS1117-1.2, TC358743XBG and USB2514B-I/M2. By type, the board carries 23 capacitors, 11 resistors, 9 ICs, 6 connectors, 2 inductors and 1 crystal.

It belongs with the iot & wireless designs in this gallery.

From the project

An open-source KVM-over-IP device built with a Milk-V Duo S (RISC-V) and ESP32-S3. Remotely control any computer's keyboard, video, and mouse over your network — at the hardware level, independent of the target's OS.

An open-source KVM-over-IP device built with a Milk-V Duo S (RISC-V) and ESP32-S3. Remotely control any computer's keyboard, video, and mouse over your network — at the hardware level, independent of the target's OS.

- 1080p30 HDMI capture via TC358743 bridge - USB HID emulation (keyboard + mouse + absolute pointer) via ESP32-S3 - USB mass storage for remote ISO mounting - ATX power control (power on/off, reset, LED status) - Single USB cable to target (on-board USB hub) - Web UI with live video, keyboard/mouse capture, ATX controls - Ethernet + WiFi connectivity - DIN-rail mountable…

Main components on the Board r4.turbocase

AMS1117-3.3AMS1117-1.8AMS1117-1.2TC358743XBGUSB2514B-I/M2PC817

Board r4.turbocase bill of materials (BOM)

53 components, 31 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AMS1117-3.3
U1
1
AMS1117-1.8
U2
1
AMS1117-1.2
U3
1
TC358743XBG
AMS1117-2.5
U4
1
USB2514B-I/M2
TC358743XBG
U5
4
PC817
U7, U8, U9, U10
1
27MHz
X1
1
C138388
MilkV-DuoS-Header1
J1
1
C46407
MilkV-DuoS-Header2
J2
1
C50982
ATX_FP
J5
1
FPC_15
HDMI_A
J6
1
DUOS_HDR2
USB_C
J8
1
ESP32_HDR2
CSI_FPC_15
J10
1
C72043
PWR
D1
2
600R
FB1, FB2
1
10U
47u
C1
4
10U
10u
C2, C3, C5, C6
1
10U
100n
C4
9
100N
100n
C7, C10, C13, C16, C17, C18, C19, C20 +1
4
100N
10u
C8, C9, C11, C12
Show 11 more
QtyPartRefs
2
100n
C22, C24
2
10p
C26, C27
2
5.1K
5.1k
R1, R2
1
330
1k
R3
2
330
4.7k
R4, R5
1
330
10k
R6
1
10K
2k
R7
1
10K
330
R10
1
4.7K
330
R11
1
4.7K
10k
R12
1
10k
R13

Board r4.turbocase design files

The KiCad project lives in the knewter/kvm-board repository on GitHub; these links point at the commit this page was built from.

Board r4.turbocase: common questions

What microcontroller does the Board r4.turbocase use?

The Board r4.turbocase is built around the ESP32_HDR2, from the ESP32 family.

How big is the Board r4.turbocase?

The Board r4.turbocase measures 102.7 × 91.4 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the Board r4.turbocase?

53 components, from 31 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Board r4.turbocase design files?

From the knewter/kvm-board repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Board r4.turbocase design in my own project?

The repository has no license, so all rights stay with knewter. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Board r4.turbocase without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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