HT42B534USB2UART

jiegec·HT42B534USB2UART

HT42B534USB2UART PCB layout, top view — open source board by jiegec

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About the HT42B534USB2UART PCB

HT42B534USB2UART is an open source PCB design by jiegec, published on GitHub under the SHL-2.1 license. It is a 2-layer board measuring 29.2 × 20.3 mm, with 15 components from 11 distinct parts.

Other key parts include the HT42B534_8SOP. By type, the board carries 7 capacitors, 3 connectors, 3 resistors, 1 IC and 1 diode.

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

From the project

A simple USB to UART board designed with KiCad.

A simple USB to UART board. Designed with KiCad. Manufactured and tested.

1. Plug USB to your PC 2. Wire VIO to either V33O(3.3V) or VDD(5V) 3. Connect TX, RX & GND (optionally VIO) to other devices

SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1

Unless required by applicable law or agreed to in writing, any work distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

HT42B534USB2UART, from the project README — From the project README

Main components on the HT42B534USB2UART

HT42B534USB2UART bill of materials (BOM)

15 components, 11 distinct parts.

Qty	Part	Footprint	Refs
1	HT42B534_8SOP	SOP-8_3.9x4.9mm_P1.27mm	U1
1	USB_A	USB_A_CNCTech_1001-011-01101_Horizontal	J1
1	Conn_01x04	PinHeader_1x04_P2.54mm_Horizontal	J2
1	Conn_01x03	PinHeader_1x03_P2.54mm_Vertical	J3
1	LED	D_0603_1608Metric_Pad1.05x0.95mm_HandSolder	D1
3	0.1uF	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C1, C2, C5
1	1uF	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C3
1	10uF	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C4
2	47pF	C_0603_1608Metric_Pad1.08x0.95mm_HandSolder	C6, C7
2	33	R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R1, R2
1	330	R_0603_1608Metric_Pad0.98x0.95mm_HandSolder	R3

HT42B534USB2UART design files

The KiCad project lives in the jiegec/HT42B534USB2UART repository on GitHub; these links point at the commit this page was built from.

LayoutHT42B534USB2UART.kicad_pcb
SchematicHT42B534USB2UART.kicad_sch

HT42B534USB2UART: common questions

How big is the HT42B534USB2UART PCB?

The HT42B534USB2UART measures 29.2 × 20.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the HT42B534USB2UART?

15 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the HT42B534USB2UART design files?

From the jiegec/HT42B534USB2UART repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the HT42B534USB2UART design in my own project?

It is published under SHL-2.1, which limits how it may be reused; read the license before building on it.

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