Wiflier8285
About the Wiflier8285 PCB
Wiflier8285 is an open source ESP8266 PCB design by cnlohr, published on GitHub under the MIT license. It is a 2-layer board measuring 37.8 × 21.5 mm, with 53 components from 31 distinct parts.
Its main chip is the ESP8285, from the ESP8266 family. Other key parts include the BMP280, LSM9DS1, MCP1824v3.3, MCP1824v2.5 and STBC08. By type, the board carries 11 connectors, 10 resistors, 9 diodes, 7 ICs, 5 modules and 4 transistors.
It belongs with the robotics & motion, sensors and iot & wireless designs in this gallery.
From the project
ESP8266-based Quadcopter Brain
WARNING: This project is still in its early stages! It doesn't fly yet!
WARNING: Everything surrounding a control loop in control.c for flight IS SUPER JANKEY AND TOTALLY NOT HOW IT SHOULD BE!
WARNING: When I operated the PWM at 3kHz, I had to modify my current board to add pullups on the I2C and short out the AVR's reset to VBat, otherwise it seemed to reboot randomly during flight.
Main components on the Wiflier8285
Wiflier8285 bill of materials (BOM)
53 components, 31 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BMP280 | BMP280 | U1 |
| 1 | ESP8285 | QFN32 | U2 |
| 1 | LSM9DS1 | LGA-24B | U3 |
| 2 | MCP1824v3.3 | SOT-23-5 | U4, U5 |
| 1 | MCP1824v2.5 | SOT-23-5 | U6 |
| 1 | STBC08 | DFN6PAD | U7 |
| 1 | ANTENNA | RFANT8010080A3T | A1 |
| 4 | M | SMT_1x2 | M0, M1, M2, M3 |
| 4 | NFET | SOT-23 | Q0, Q1, Q2, Q3 |
| 1 | XTAL4P | XTAL4TINY | X1 |
| 2 | 1u | NETWORK1206 | CN1, CN2 |
| 1 | USB | USBMicroB-10118194-0001LF | P1 |
| 1 | BATTERY | SMT_1x2 | P2 |
| 1 | I2C | SMT_1x2 | P3 |
| 2 | TXRX | SMT_1x2 | P4, P5 |
| 1 | IVP | SMT_1x2 | P6 |
| 2 | M | HOLE-1.9MM | P7, P8 |
| 1 | SYSRESET | SMT_1x2 | P9 |
| 2 | 10u | SM0603 | E1, E2 |
| 1 | 100u | C_1206 | E3 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | D_Schottky | SMini2-F5-B | D0, D1, D2, D3 |
| 3 | BLU | SM0805 | D4, D7, D8 |
| 1 | RED | SM0805 | D5 |
| 1 | GRN | SM0805 | D6 |
| 3 | 5.6p | SM0603 | C1, C2, C3 |
| 1 | 12k | SM0603 | R1 |
| 3 | 1.5k | SM0603 | R2, R6, R7 |
| 1 | 2.2k | SM0603 | R3 |
| 1 | 1M | SM0603 | R4 |
| 1 | 200k | SM0603 | R5 |
| 3 | 4.7k | NETWORK1206 | RN1, RN2, RN3 |
Wiflier8285 design files
The KiCad project lives in the cnlohr/wiflier repository on GitHub; these links point at the commit this page was built from.
Wiflier8285: common questions
What microcontroller does the Wiflier8285 use?
The Wiflier8285 is built around the ESP8285, from the ESP8266 family.
How big is the Wiflier8285 PCB?
The Wiflier8285 measures 37.8 × 21.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Wiflier8285?
53 components, from 31 distinct parts. The full bill of materials is listed on this page.
Where can I download the Wiflier8285 design files?
From the cnlohr/wiflier repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Wiflier8285 design in my own project?
Yes, under the terms of its MIT license, which cnlohr chose for the repository.
Can I test firmware for the Wiflier8285 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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