4 layers21.8 × 23.5 mm
2 layers20 × 35.3 mm
Esp flasher
UeS5/PCBsMy private PCB repo
- Size
- 20 × 35.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 15
- Pads
- 83
- Tracks, vias
- 87, 26
- Pours
- 9
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 7 Jul 2026
- Updated
- 11 Jul 2026
Overview
Esp flasher is an open-source printed circuit board by UeS5, from the UeS5/PCBs repository on GitHub. It is a 2-layer board of 20 × 35.3 mm with 38 parts on 15 nets, routed with 87 tracks and 26 vias.
It is built around the AMS1117-3.3. Its parts include 18 connectors, 9 resistors, 7 capacitors, 2 switches and 1 IC.
Main components
1Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | GND | custom_lib:pogo_pin_0.48mm | J8, J9, J10, J12, J13, J14, J15, J16, J17, J19 |
| 4 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R2, R3, R4 |
| 2 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C3 |
| 2 | 27o | Resistor_SMD:R_0402_1005Metric | R7, R8 |
| 2 | 5K1 | Resistor_SMD:R_0402_1005Metric | R5, R6 |
| 2 | TBD | Capacitor_SMD:C_0402_1005Metric | C6, C7 |
| 2 | TBD | Capacitor_SMD:C_0603_1608Metric | C4, C5 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 1k5 | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | 3V3 | custom_lib:pogo_pin_0.48mm | J11 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | EN | custom_lib:pogo_pin_0.48mm | J2 |
| 1 | IO18 | custom_lib:pogo_pin_0.48mm | J6 |
| 1 | IO19 | custom_lib:pogo_pin_0.48mm | J7 |
| 1 | IO2 | custom_lib:pogo_pin_0.48mm | J3 |
| 1 | IO8 | custom_lib:pogo_pin_0.48mm | J4 |
| 1 | IO9 | custom_lib:pogo_pin_0.48mm | J5 |
| 1 | RED_LED | LED_SMD:LED_0402_1005Metric | D1 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_B3U-1000P | SW2 |
| 1 | SW_SPDT | Displayhud:Switch - SK3245D-02-L1 9mmx3,4mm | SW1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_GCT_USB4110 | J1 |
Questions
How big is the Esp flasher PCB?
It measures 20 × 35.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Esp flasher use?
38 parts, built around the AMS1117-3.3. 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.
Where can I download the Esp flasher KiCad files?
From the UeS5/PCBs repository on GitHub, at the commit this page was made from: the board is esp_flasher/esp_flasher.kicad_pcb and its schematic esp_flasher/esp_flasher.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esp flasher design in my own project?
Its repository states no licence, so its author keeps all rights: ask UeS5 before reusing the design.
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