HardLabs

Espsense

larsimmisch·lci-kicad·espsense/espsense.kicad_pcb

Espsense PCB layout, top view — open source ESP8266 board by larsimmisch

About the Espsense PCB

Espsense is an open source ESP8266 PCB design by larsimmisch, published on GitHub. It is a 2-layer board measuring 66 × 68.6 mm, with 20 components from 11 distinct parts.

Its main chip is the ESP8266-01_ESP-01, from the ESP8266 family. Other key parts include the H11AA1 and LD1117S12TR_SOT223. By type, the board carries 8 resistors, 4 ICs, 2 transistors, 2 connectors and 2 switches.

Main components on the Espsense

H11AA1ESP8266-01_ESP-01LD1117S12TR_SOT223

Espsense bill of materials (BOM)

20 components, 11 distinct parts.

QtyPartRefs
2
H11AA1
U1, U2
1
ESP8266-01_ESP-01
U3
1
LD1117S12TR_SOT223
U4
2
Q_NPN_BCE
Q1, Q2
1
Conn_01x02_Female
J4
1
Conn_01x06_Male
J6
2
FTR-LYCA
RL1, RL2
2
SW_SPDT
SW1, SW2
4
47k
R1, R3, R4, R6
2
10k
R2, R5
2
1k
R7, R8

Espsense design files

The KiCad project lives in the larsimmisch/lci-kicad repository on GitHub; these links point at the commit this page was built from.

Espsense: common questions

What microcontroller does the Espsense use?

The Espsense is built around the ESP8266-01_ESP-01, from the ESP8266 family.

How big is the Espsense PCB?

The Espsense measures 66 × 68.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Espsense?

20 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Espsense design files?

From the larsimmisch/lci-kicad repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Espsense design in my own project?

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

Can I test firmware for the Espsense 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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