RatGDO-OpenSource-D1Mini-ESP8266
About the RatGDO-OpenSource-D1Mini-ESP8266 PCB
RatGDO-OpenSource-D1Mini-ESP8266 is an open source ESP8266 PCB design by Kaldek, published on GitHub under the MIT license. It is a 2-layer board measuring 47.8 × 63.3 mm, with 12 components from 8 distinct parts.
Its main chip is the WeMos_D1_mini, from the ESP8266 family. By type, the board carries 6 resistors, 3 connectors, 2 transistors and 1 IC.
It belongs with the iot & wireless and dev boards & breakouts designs in this gallery.
From the project
Open source schematics for ratgdo PCB
Credit and inspiration for this work goes to @rlowens to let me know that there are other technical folks out there who needed this other than myself.
The basic PCB schematic shown here in the Readme does not describe any circuitry other than the serial line garage door control and obstruction sensor. All other optional features provided by ratgdo can be reverse engineered as needed, or may already be solved by one of the schematics the community has uploaded!
Main components on the RatGDO-OpenSource-D1Mini-ESP8266
RatGDO-OpenSource-D1Mini-ESP8266 bill of materials (BOM)
12 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | WeMos_D1_mini | WEMOS_D1_mini_light | U1 |
| 1 | 2N7002 | SOT-23_Handsoldering | Q1 |
| 1 | AO3400A | SOT-23_Handsoldering | Q2 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J1 |
| 1 | Screw_Terminal_01x03 | PhoenixContact_MCV_1,5_3-G-3.5_1x03_P3.50mm_Vertical | J2 |
| 1 | Screw_Terminal_01x03 | PinHeader_1x03_P2.54mm_Vertical | J3 |
| 5 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R5, R6 |
| 1 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
RatGDO-OpenSource-D1Mini-ESP8266 design files
The KiCad project lives in the Kaldek/rat-ratgdo repository on GitHub; these links point at the commit this page was built from.
RatGDO-OpenSource-D1Mini-ESP8266: common questions
What microcontroller does the RatGDO-OpenSource-D1Mini-ESP8266 use?
The RatGDO-OpenSource-D1Mini-ESP8266 is built around the WeMos_D1_mini, from the ESP8266 family.
How big is the RatGDO-OpenSource-D1Mini-ESP8266 PCB?
The RatGDO-OpenSource-D1Mini-ESP8266 measures 47.8 × 63.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RatGDO-OpenSource-D1Mini-ESP8266?
12 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the RatGDO-OpenSource-D1Mini-ESP8266 design files?
From the Kaldek/rat-ratgdo repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the RatGDO-OpenSource-D1Mini-ESP8266 design in my own project?
Yes, under the terms of its MIT license, which Kaldek chose for the repository.
Can I test firmware for the RatGDO-OpenSource-D1Mini-ESP8266 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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