LO Main RevB
About the LO Main RevB PCB
LO Main RevB is an open source ESP8266 PCB design by gatechipdl, published on GitHub under the MIT license. It is a 2-layer board measuring 70 × 70 mm, with 51 components from 28 distinct parts.
Its main chip is the ESP8266-12E, from the ESP8266 family. Other key parts include the LM1117-3.3, NodeMCU_v2, HUZZAH_Feather and LM78L05ACZ. By type, the board carries 17 resistors, 16 connectors, 7 capacitors, 5 ICs, 4 transistors and 2 switches.
It belongs with the audio and power & battery designs in this gallery.
From the project
Game of Light Installation
Main components on the LO Main RevB
LO Main RevB bill of materials (BOM)
51 components, 28 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM1117-3.3 | SOT-223 | U1 |
| 1 | ESP8266-12E | ESP-12E | U2 |
| 1 | NodeMCU_v2 | NodeMCU_v2 | U3 |
| 1 | HUZZAH_Feather | HUZZAH_Feather | U4 |
| 1 | LM78L05ACZ | TO-92_Rugged | U6 |
| 4 | BSS138 | SOT-23 | Q1, Q2, Q3, Q5 |
| 1 | CONN_READERS | Socket_MOLEX-KK-RM2-54mm_Lock_4pin_straight | P3 |
| 1 | FTDI | Pin_Header_Angled_1x06 | P13 |
| 1 | CONN_V50SEL | Pin_Header_Straight_1x02 | P14 |
| 1 | CONN_V12V50 | Pin_Header_Straight_1x02 | P16 |
| 1 | CONN_LEDCLK | Pin_Header_Straight_1x02 | P17 |
| 1 | CONN_LEDDATA | Pin_Header_Straight_1x02 | P18 |
| 1 | CONN_TX3350 | Pin_Header_Straight_1x02 | P19 |
| 1 | CONN_RX3350 | Pin_Header_Straight_1x02 | P21 |
| 2 | CONN_GND | SolderWirePad_single_1-5mmDrill | P22, P26 |
| 2 | CONN_A | SolderWirePad_single_0-8mmDrill | P23, P27 |
| 2 | CONN_B | SolderWirePad_single_0-8mmDrill | P24, P28 |
| 2 | CONN_V12 | SolderWirePad_single_1-5mmDrill | P25, P29 |
| 1 | SW_RESET | SW_PUSH_SMALL | SW1 |
| 1 | SW_PROG | SW_PUSH_SMALL | SW2 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 10uF | C_1206 | C1, C2 |
| 2 | 100uF 50V | C_Radial_D8_L13_P3.8 | C3, C4 |
| 3 | 0.1uF | C_0805 | C5, C6, C7 |
| 2 | 470 | R_1206 | R1, R2 |
| 9 | 10K | R_1206 | R10, R11, R12, R17, R19, R21, R22, R23 +1 |
| 4 | 1K | R_1206 | R13, R14, R15, R16 |
| 1 | 56 | R_1206 | R25 |
| 1 | 39 | R_1206 | R26 |
LO Main RevB design files
The KiCad project lives in the gatechipdl/GameOfLight repository on GitHub; these links point at the commit this page was built from.
LO Main RevB: common questions
What microcontroller does the LO Main RevB use?
The LO Main RevB is built around the ESP8266-12E, from the ESP8266 family.
How big is the LO Main RevB PCB?
The LO Main RevB measures 70 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LO Main RevB?
51 components, from 28 distinct parts. The full bill of materials is listed on this page.
Where can I download the LO Main RevB design files?
From the gatechipdl/GameOfLight repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the LO Main RevB design in my own project?
Yes, under the terms of its MIT license, which gatechipdl chose for the repository.
Can I test firmware for the LO Main RevB 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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