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Wb2s to esp12

lsr1·wb2s-to-esp12

Wb2s to esp12 PCB layout, top view — open source ESP8266 board by lsr1
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About the Wb2s to esp12 PCB

Wb2s to esp12 is an open source ESP8266 PCB design by lsr1, published on GitHub. It is a 2-layer board measuring 24.1 × 20.1 mm, with 8 components from 4 distinct parts.

Its main chip is the ESP-12E, from the ESP8266 family. By type, the board carries 5 resistors, 2 switches and 1 IC.

It belongs with the iot & wireless designs in this gallery.

From the project

passive pcb adapter-plate (drop-in replacement) for Tuya WB2S Wi-Fi Module to ESP12 Module

Long story short: We compared the voltages and signal pins - turns out these fit to an ESP! Since the module size reminded me of an ESP12 (and b/c I am a lazy person) I figured I'd just create a passive PCB with similar size as drop-in replacement.

Wb2s to esp12, from the project README
From the project README

Main components on the Wb2s to esp12

ESP-12E

Wb2s to esp12 bill of materials (BOM)

8 components, 4 distinct parts.

QtyPartRefs
1
ESP-12E
U1
2
SW_Push
SW1, SW2
4
10k
R1, R2, R3, R4
1
10k
R5

Wb2s to esp12 design files

The KiCad project lives in the lsr1/wb2s-to-esp12 repository on GitHub; these links point at the commit this page was built from.

Wb2s to esp12: common questions

What microcontroller does the Wb2s to esp12 use?

The Wb2s to esp12 is built around the ESP-12E, from the ESP8266 family.

How big is the Wb2s to esp12 PCB?

The Wb2s to esp12 measures 24.1 × 20.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Wb2s to esp12?

8 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Wb2s to esp12 design files?

From the lsr1/wb2s-to-esp12 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Wb2s to esp12 design in my own project?

The repository has no license, so all rights stay with lsr1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Wb2s to esp12 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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