Esp flasher
makerspacelt·esp-flasher·project/project.kicad_pcb
About the Esp flasher PCB
Esp flasher is an open source PCB design by makerspacelt, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 23.5 × 30.5 mm, with 38 components from 19 distinct parts.
Other key parts include the USBLC6-2SC6, ME6211C33M5G-N and CH340C. By type, the board carries 16 resistors, 8 capacitors, 4 LEDs, 3 ICs, 2 transistors and 2 connectors.
From the project
This is ESP8266 modular flasher based on CH340 usb uart converter and USB-C port.
This is ESP8266 modular flasher based on CH340 usb uart converter and USB-C port.
Flashing works with standard esptool Device can reset ESP automatically * Device can enter into ESP flashing mode automatically
Support this open-source project - buy your fully assembled and tested flasher here
For programming and debugging without any onboard provisions in-place use one of these interfaces:

Main components on the Esp flasher
Esp flasher bill of materials (BOM)
38 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-2SC6 | SOT-23-6 | U1 |
| 1 | ME6211C33M5G-N | SOT-23-5 | U2 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 2 | DTC114YUA | SOT-323_SC-70 | Q1, Q2 |
| 1 | TYPE-C-31-M-12 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | IDC EDGE 2x8 | IDC-Female_2x08_P2.54mm_Edge | J2 |
| 1 | 1TS003B-2400-3500A-CT RESET | 1TS003B-2400-3500A-CT | SW1 |
| 1 | SSSS811101 ESP Power | SW_SPDT_PCM12 | SW2 |
| 1 | PWR-yellow | LED_0805_2012Metric | LED1 |
| 1 | TX-blue | LED_0805_2012Metric | LED2 |
| 1 | RX-green | LED_0805_2012Metric | LED3 |
| 1 | ESP-red | LED_0805_2012Metric | LED4 |
| 1 | B5819WS | D_SOD-323 | D1 |
| 5 | 100N 100n | C_0805_2012Metric | C1, C3, C5, C7, C8 |
| 3 | 10U 10u | C_0805_2012Metric | C2, C4, C6 |
| 5 | 10K 10k | R_0805_2012Metric | R1, R2, R3, R4, R16 |
| 2 | 4K7 4k7 | R_0805_2012Metric | R5, R6 |
| 5 | 470 | R_0805_2012Metric | R7, R9, R10, R14, R15 |
| 4 | 1k | R_0805_2012Metric | R8, R11, R12, R13 |
Esp flasher design files
The KiCad project lives in the makerspacelt/esp-flasher repository on GitHub; these links point at the commit this page was built from.
- Layoutproject/project.kicad_pcb
- Schematicproject/project.kicad_sch
- BOMgen/bom.csv
Esp flasher: common questions
How big is the Esp flasher PCB?
The Esp flasher measures 23.5 × 30.5 mm, has 2 copper layers and is 0.8 mm thick.
How many components are on the Esp flasher?
38 components, from 19 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 Esp flasher design files?
From the makerspacelt/esp-flasher 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 Esp flasher design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which makerspacelt chose for the repository.