34 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.
ESP32ESP32-PoE Rev K
OLIMEX
28 × 80 mm131 parts4LApache-2.0407
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-PoE Rev L
28 × 80 mm131 parts4LApache-2.0407
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 98.2 mm130 parts4LNo license142
ESP32ESP32-PoE Rev L1
28 × 80 mm131 parts4LApache-2.0407
ESP32ESP32-GATEWAY Rev F
50.8 × 62.2 mm89 parts2LApache-2.0320
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 98.2 mm130 parts4LNo license142
ESP32ESP32-GATEWAY Rev G
50.8 × 62.2 mm89 parts2LApache-2.0320
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-GATEWAY Rev C
50.8 × 62.2 mm83 parts2LApache-2.0320
ESP32ESP32-GATEWAY Rev B
50.8 × 62.2 mm82 parts2LApache-2.0320
ESP32ESP32-EVB
75.2 × 74.7 mm147 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 98.2 mm128 parts4LNo license142
ESP32ESP32-PoE Rev J
28 × 80 mm129 parts4LApache-2.0407
ESP32ESP32-GATEWAY Rev A
50.8 × 62.2 mm81 parts2LApache-2.0320
ESP32ESP32-EVB
75.2 × 74.7 mm146 parts2LApache-2.0285
ESP32ESP32-PoE Rev I
28 × 75 mm122 parts4LApache-2.0407
ESP32ESP32-GATEWAY Rev D
50.8 × 62.2 mm81 parts2LApache-2.0320
ESP32ESP-EVB
75.2 × 74.7 mm145 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 93 mm122 parts4LNo license142
ESP32ESP32-PoE Rev G1
28 × 75 mm119 parts2LApache-2.0407
ESP32ESP32-GATEWAY Rev E
50.8 × 62.2 mm81 parts2LApache-2.0320
ESP32ESP32-EVB
75.2 × 74.7 mm145 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 93 mm122 parts4LNo license142
ESP32ESP32-PoE Rev E
28 × 75 mm117 parts2LApache-2.0407
ESP32ESP-EVB
75.2 × 74.7 mm143 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 93 mm121 parts4LNo license142
ESP32ESP32-PoE Rev D
28 × 75 mm116 parts2LApache-2.0407
ESP32ESP-EVB
75.2 × 74.7 mm143 parts2LApache-2.0285
ESP32ESP-PoE-ISO
28 × 93 mm117 parts4LNo license142
ESP32ESP32-PoE Rev C
28 × 75 mm110 parts2LApache-2.0407
ESP32ESP-PoE-ISO
28 × 93 mm116 parts4LNo license142
The CH340T(SSOP20W) in open source designs
The gallery holds 34 open source boards using the CH340T(SSOP20W) from 4 GitHub repositories; a typical one measures about 39.4 × 74.8 mm and carries around 125 components.
62% are two-layer designs, the rest use four layers or more, and 76% carry an open source license.
The most starred is ESP32-PoE Rev L1 by OLIMEX.
Parts used alongside the CH340T(SSOP20W)
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 34 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 ESP-WROOM-32, LAN8710A-EZC(QFN32), SY8089AAAC(SOT23-5), BL4054B-42TPRN(SOT23-5) and ESP32-WROOM-32D-4MB appear in the most repositories here.
Which microcontrollers do boards using the CH340T(SSOP20W) use?
Most are built on ESP32 (34).
How big is a typical board using the CH340T(SSOP20W)?
The median is 39.4 × 74.8 mm, and 62% are two-layer designs.
What is the most popular open source board using the CH340T(SSOP20W)?
By GitHub stars, ESP32-PoE Rev L1 by OLIMEX, with 407 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.