18 open source boards using the CH340T(SSOP20W)

Real designs built with the CH340T(SSOP20W), from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.

The CH340T(SSOP20W) in open source designs

The gallery holds 18 open source boards using the CH340T(SSOP20W) from 2 GitHub repositories; a typical one measures about 75.2 × 74.7 mm and carries around 143 components.

56% are two-layer designs, the rest use four layers or more, and 56% carry an open source license.

The most starred is ESP32-EVB by OLIMEX.

Microcontrollers on boards using the CH340T(SSOP20W)

What boards using the CH340T(SSOP20W) are built for

CH340T(SSOP20W): common questions

Where can I find a CH340T(SSOP20W) reference design?

Each of the 18 boards on this page is a real design using the CH340T(SSOP20W). Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

What parts are used alongside the CH340T(SSOP20W)?

The BL4054B-42TPRN(SOT23-5), ESP-WROOM-32, ESP32-WROOM-32D-4MB, LAN8710A-EZC(QFN32) and SY8089AAAC(SOT23-5) appear in the most repositories here.

Which microcontrollers do boards using the CH340T(SSOP20W) use?

Most are built on ESP32 (18).

How big is a typical board using the CH340T(SSOP20W)?

The median is 75.2 × 74.7 mm, and 56% are two-layer designs.

What is the most popular open source board using the CH340T(SSOP20W)?

By GitHub stars, ESP32-EVB by OLIMEX, with 285 stars.

Can I simulate one of these boards using the CH340T(SSOP20W) before building it?

Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.

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