HardLabs

RM2026-USB-to-UART

baoqi-zhong·RM2026-USB-to-UART·Hardware/RM2026-USB-to-UART.kicad_pcb

RM2026-USB-to-UART PCB layout, top view — open source board by baoqi-zhong

About the RM2026-USB-to-UART PCB

RM2026-USB-to-UART is an open source PCB design by baoqi-zhong, published on GitHub. It is a 2-layer board measuring 26.6 × 18.4 mm, with 25 components from 18 distinct parts.

Other key parts include the CH340N and RS3236. By type, the board carries 9 capacitors, 6 connectors, 4 resistors, 3 diodes, 2 ICs and 1 fuse.

It belongs with the usb & debug tools designs in this gallery.

From the project

A CH340 USB to UART Adapter with Multi Connectors

RM2026-USB-to-UART, from the project README
From the project README

Main components on the RM2026-USB-to-UART

CH340NRS3236

RM2026-USB-to-UART bill of materials (BOM)

25 components, 18 distinct parts.

QtyPartRefs
1
CH340N
U1
1
RS3236
U2
1
2.54PinHeader
J1
1
USB_A
J2
1
DM
J3
1
DM2
J4
1
LK
J5
1
LK2
J6
1
1A 1206
F1
1
SMF5V0A
D1
1
LED_Red
D2
1
LED_Blue
D3
2
100n
C1, C2
3
10u
C3, C4, C6
1
NC
C5
3
47uF/10V
C7, C8, C9
2
120R
R4, R5
2
2.2K
R6, R7

RM2026-USB-to-UART design files

The KiCad project lives in the baoqi-zhong/RM2026-USB-to-UART repository on GitHub; these links point at the commit this page was built from.

RM2026-USB-to-UART: common questions

How big is the RM2026-USB-to-UART PCB?

The RM2026-USB-to-UART measures 26.6 × 18.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RM2026-USB-to-UART?

25 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the RM2026-USB-to-UART design files?

From the baoqi-zhong/RM2026-USB-to-UART repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the RM2026-USB-to-UART design in my own project?

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

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