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SMS

Lee34667·PCB_Kicad_Projects·SMS/SMS.kicad_pcb

SMS PCB layout, top view — open source ESP8266 board by Lee34667

About the SMS PCB

SMS is an open source ESP8266 PCB design by Lee34667, published on GitHub. It is a 2-layer board measuring 22.5 × 110.8 mm, with 42 components from 29 distinct parts.

Its main chip is the ESP-12E, from the ESP8266 family. Other key parts include the LTC4054ES5-4.2, CP2102N-Axx-xQFN28 and MIC5219-3.3YM5. By type, the board carries 17 resistors, 8 capacitors, 4 ICs, 4 transistors, 4 diodes and 2 connectors.

From the project

Creating a L9110 module using PCB techniques.

Contains some the PCB projects I have done using KiCad. Most of this boards have been used in the industries and research work.

Main components on the SMS

ESP-12ELTC4054ES5-4.2CP2102N-Axx-xQFN28MIC5219-3.3YM5

SMS bill of materials (BOM)

42 components, 29 distinct parts.

QtyPartRefs
1
ESP-12E
U1
1
LTC4054ES5-4.2
U2
1
CP2102N-Axx-xQFN28
U3
1
MIC5219-3.3YM5
U4
1
2N3904
Q1
1
Si2319CDS
Q2
2
SS8050CTA
Q3, Q4
1
USB_B_Micro
J1
1
Conn_01x02_Pin
J2
1
Battery_Cell
BT1
2
SW_Push
SW1, SW2
2
RED
D1, D2
1
ESDA14V2SC5
D3
1
SS14
D4
1
0.1uF/6.3V
C1
2
2.2uF/6.3V
C2, C3
1
10uF
C4
1
0.1uF/50V
C5
2
10uF/6.3V
C6, C7
1
0.1uF/6.3V
C8
Show 9 more
QtyPartRefs
7
12k
R1, R2, R3, R4, R5, R10, R11
1
0R
R6
1
680R
R7
1
330R
R8
1
1.25k
R9
1
100k
R12
1
22.1k
R13
2
47.5k
R14, R17
2
10k
R15, R16

SMS design files

The KiCad project lives in the Lee34667/PCB_Kicad_Projects repository on GitHub; these links point at the commit this page was built from.

SMS: common questions

What microcontroller does the SMS use?

The SMS is built around the ESP-12E, from the ESP8266 family.

How big is the SMS PCB?

The SMS measures 22.5 × 110.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the SMS?

42 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the SMS design files?

From the Lee34667/PCB_Kicad_Projects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the SMS design in my own project?

The repository has no license, so all rights stay with Lee34667. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the SMS 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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