Documentation
About the Documentation PCB
Documentation is an open source ESP8266 PCB design by Biomicrosystems, published on GitHub. It is a 2-layer board measuring 105 × 72 mm, with 28 components from 17 distinct parts.
Its main chip is the NodeMCU1.0(ESP-12E), from the ESP8266 family. Other key parts include the MC7805BDTRKG. By type, the board carries 8 resistors, 7 connectors, 7 diodes, 2 ICs, 2 capacitors and 1 switch.
From the project
Logos, Figures and File Formats
When using these images please acknowledge respectively
Main components on the Documentation
Documentation bill of materials (BOM)
28 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MC7805BDTRKG ON Semiconductor | TO-252-3 | U7805 |
| 1 | NodeMCU1.0(ESP-12E) | NodeMCU1.0(12-E) | U8266 |
| 1 | VIN | BarrelJack_CUI_PJ-102AH_Horizontal | J1 |
| 2 | VIN | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J2, J7 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J3 |
| 1 | GPIO14 | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J4 |
| 1 | GPIO2 | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J5 |
| 1 | GPIO0 | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J6 |
| 1 | SWICH | PinHeader_1x03_P2.54mm_Vertical | SW1 |
| 1 | SSD1306 | OLED | Brd1 |
| 2 | DIODE +5V | DO-214AC | D1, D2 |
| 3 | LED COMANDOS | LED_D3.0mm | D3, D4, D5 |
| 1 | LED POWER | LED_D3.0mm | D6 |
| 1 | LED COMANDOS | LED_D3.0mm_FlatTop | D7 |
| 1 | 0.33 uF | CP_Elec_5x5.9 | C1 |
| 1 | 0.1 uF | CP_Elec_5x5.9 | C2 |
| 8 | 220 Ω | R_1206_3216Metric | R1, R2, R3, R4, R5, R7, R8, R9 |
Documentation design files
The KiCad project lives in the Biomicrosystems/Documentation repository on GitHub; these links point at the commit this page was built from.
Documentation: common questions
What microcontroller does the Documentation use?
The Documentation is built around the NodeMCU1.0(ESP-12E), from the ESP8266 family.
How big is the Documentation PCB?
The Documentation measures 105 × 72 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Documentation?
28 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the Documentation design files?
From the Biomicrosystems/Documentation repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Documentation design in my own project?
The repository has no license, so all rights stay with Biomicrosystems. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Documentation 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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