Mo3tasemO/PCB_DesignsA custom-designed, high-performance development board based on the ESP-12E (ESP8266) module. This board features a modern USB-C interface and is designed for seamless prototyping with integrated power regulation and…
Esp 8266 dev board is an open-source printed circuit board by Mo3tasemO, from the Mo3tasemO/PCB_Designs repository on GitHub. It is a 2-layer board of 79 × 30.5 mm with 28 parts on 49 nets, routed with 201 tracks and 15 vias.
It is built around the CH340C, AMS1117-3.3 and BZV55B3V3. Its parts include 7 resistors, 5 capacitors, 4 connectors, 3 ICs and 3 diodes. It belongs with the microcontroller boards boards and the ESP8266 boards of this library.
A custom-designed, high-performance development board based on the ESP-12E (ESP8266) module. This board features a modern USB-C interface and is designed for seamless prototyping with integrated power regulation and USB-to-TTL conversion.
The board is logically divided into four main sections as defined in the schematics:
| Section | Components | Purpose |
|---|---|---|
| Source | AMS1117-3.3, BZW55B3V3, C1, C3 | Voltage regulation and power filtering. |
| USB | USB-C 16P, D2 Diode, C6 | Power input and basic surge protection. |
| USB to TTL | CH340C, C4, C5, R4, R5 | Bridge between PC USB and ESP8266 UART. |
| ESP8266 | ESP-12E, Reset/Flash Switch, I/O Headers | Main processing, GPIO breakout, and boot mode selection. |
The board breaks out all essential GPIOs via two main headers:
Double-layer design with optimized ground pours for RF stability.
Fully assembled view showing component placement and compact form factor.
This project is open-source. Feel free to use, modify, and distribute it for your own IoT applications.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 1K | Resistor_SMD:R_1206_3216Metric | R1, R2, R4, R5, R6 |
| 4 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C3, C4, C5 |
| 2 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J3, J4 |
| 2 | SW_SPST | SparkFun-Switch:Push_SMD_6x3.5mm | SW2, SW3 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_4x4.5 | C6 |
| 1 | 270 | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 4.7K | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | BZV55B3V3 | Diode_SMD:D_MiniMELF | D1 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | Conn_01x05_Pin | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J5 |
| 1 | D | SparkFun-Semiconductor-Standard:SOD-123 | D2 |
| 1 | ESP8266-12E_ESP-12E | ESP8266-12E_ESP-12E:XCVR_ESP8266-12E_ESP-12E | U4 |
| 1 | LED | SparkFun-LED:LED_0603_1608Metric_Red | D3 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
The 24 most common of 28 parts.
Mo3tasemO/PCB_Designs
A custom-designed, high-performance development board based on the ESP-12E (ESP8266) module. This board features a modern USB-C interface and is designed for seamless prototyping with integrated power regulation and…
Mo3tasemO/PCB_Designs
A custom-designed, high-performance development board based on the ESP-12E (ESP8266) module. This board features a modern USB-C interface and is designed for seamless prototyping with integrated power regulation and…
Mo3tasemO/PCB_Designs
A custom-designed, high-performance development board based on the ESP-12E (ESP8266) module. This board features a modern USB-C interface and is designed for seamless prototyping with integrated power regulation and…
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It measures 79 × 30.5 mm and has 2 copper layers, 1.6 mm thick.
28 parts, built around the CH340C, AMS1117-3.3 and BZV55B3V3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the Mo3tasemO/PCB_Designs repository on GitHub, at the commit this page was made from: the board is ESP 8266_Dev_Board/ESP 8266_Dev_Board/esp 8266 dev board.kicad_pcb and its schematic Breadboard_Power_Supply/Breadboard_Power_Supply.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Mo3tasemO before reusing the design.