13 open source boards using the BL4054B-42TPRN(SOT23-5)
Real designs built with the BL4054B-42TPRN(SOT23-5), 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-EVB
OLIMEX
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 98.2 mm130 parts4LNo license142
ESP32ESP32-EVB
75.2 × 74.7 mm157 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 98.2 mm130 parts4LNo license142
ESP32ESP32-PoE-ISO
28 × 98.2 mm128 parts4LNo license142
ESP32ESP32-EVB
75.2 × 74.7 mm146 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 93 mm122 parts4LNo license142
ESP32ESP32-EVB
75.2 × 74.7 mm145 parts2LApache-2.0285
ESP32ESP32-PoE-ISO
28 × 93 mm122 parts4LNo license142
ESP32ESP32-PoE-ISO
28 × 93 mm121 parts4LNo license142
ESP32ESP-PoE-ISO
28 × 93 mm117 parts4LNo license142
ESP32ESP-PoE-ISO
28 × 93 mm116 parts4LNo license142
The BL4054B-42TPRN(SOT23-5) in open source designs
The gallery holds 13 open source boards using the BL4054B-42TPRN(SOT23-5) from 2 GitHub repositories; a typical one measures about 28 × 93 mm and carries around 130 components.
62% use four copper layers or more, and 38% carry an open source license.
The most starred is ESP32-EVB by OLIMEX.
Parts used alongside the BL4054B-42TPRN(SOT23-5)
Microcontrollers on boards using the BL4054B-42TPRN(SOT23-5)
What boards using the BL4054B-42TPRN(SOT23-5) are built for
BL4054B-42TPRN(SOT23-5): common questions
Where can I find a BL4054B-42TPRN(SOT23-5) reference design?
Each of the 13 boards on this page is a real design using the BL4054B-42TPRN(SOT23-5). 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 BL4054B-42TPRN(SOT23-5)?
The CH340T(SSOP20W), 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 BL4054B-42TPRN(SOT23-5) use?
Most are built on ESP32 (13).
How big is a typical board using the BL4054B-42TPRN(SOT23-5)?
The median is 28 × 93 mm, and 38% are two-layer designs.
What is the most popular open source board using the BL4054B-42TPRN(SOT23-5)?
By GitHub stars, ESP32-EVB by OLIMEX, with 285 stars.
Can I simulate one of these boards using the BL4054B-42TPRN(SOT23-5) 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.