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2 layers30 × 14 mmEsp32s2-uart, the printed circuit board in 3D

USB to UART by ESP32-S2

Size
30 × 14 mm
Copper layers
2
Thickness
1.6 mm
Parts
51
Nets
37
Pads
217
Tracks, vias
397, 95
Pours
174
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
25 Mar 2021
Updated
18 Mar 2022

Overview

Esp32s2-uart is an open-source printed circuit board by TDA-2030, from the TDA-2030/esp32s2-usb-uart repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 30 × 14 mm with 51 parts on 37 nets, routed with 397 tracks and 95 vias.

It is built around the ESP32-S2FH4, AMS1117-3.3 and USBLC6-2SC6, with the PESD5V0L5UY among its other parts. Its parts include 16 capacitors, 11 resistors, 7 diodes, 3 ICs and 3 connectors. It belongs with the interfaces and adapters boards and the ESP32 boards of this library.

Main components

4

README

README.md

ESP32S2-USB-UART

license

USB to UART board by ESP32-S2

Feature

  • USB to UART
  • PCB size: 30mm x 14mm
  • All output with ESD protection
  • 3 LEDs
  • LEDs to indicate UART signal
  • 3.3V output
  • Either USBA or Type-C plug
  • Auto download for ESP series chips
  • Wireless connecting

Pin definition

1(TCK)10(TX)
2(TDI)9(RX)
3(TDO)8(EN)
4(TMS)7(IO0)
5(3V3)6(GND)

Preview image

front

Parts

51
QtyValueFootprintReferences
90.1ufCapacitor_SMD:C_0402_1005MetricC4, C5, C6, C7, C9, C11, C12, C13, C14
6TestPointTestPoint:TestPoint_Pad_D1.0mmTP1, TP2, TP3, TP4, TP5, TP6
51kResistor_SMD:R_0402_1005MetricR3, R4, R5, R8, R9
310ufCapacitor_SMD:C_0603_1608MetricC1, C2, C3
210kResistor_SMD:R_0402_1005MetricR6, R7
210pfCapacitor_SMD:C_0402_1005MetricC8, C10
222Resistor_SMD:R_0402_1005MetricR1, R2
25.1kResistor_SMD:R_0402_1005MetricR10, R11
2LED_YELLOWLED_SMD:LED_0603_1608MetricD10, D11
2PESD5V0L5UYPackage_TO_SOT_SMD:SOT-363_SC-70-6D4, D5
2TBDCapacitor_SMD:C_0402_1005MetricC15, C16
1AMS1117-3.3Package_TO_SOT_SMD:SOT-223-3_TabPin2U1
1Antenna_ChipRF_Antenna:Johanson_2450AT43F0100AE1
1BLUELED_SMD:LED_0603_1608MetricD3
1Conn_02x05_Counter_Clockwisemy_footprint:Header_2x5_pinJ3
1Crystal_GND24_SmallCrystal:Crystal_SMD_EuroQuartz_MT-4Pin_3.2x2.5mmY1
1ESP32-S2FH4Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP5.6x5.6mmU3
1GREENLED_SMD:LED_0603_1608MetricD2
1LInductor_SMD:L_0402_1005MetricL1
1REDLED_SMD:LED_0603_1608MetricD1
1SW_Pushmy_footprint:buttonSW1
1USBLC6-2SC6Package_TO_SOT_SMD:SOT-23-6U2
1USB_AConnector_USB:USB_A_CNCTech_1001-011-01101_HorizontalJ1
1USB_C_Receptacle_USB2.0my_footprint:USB_C_ReceptacleJ2
1logomy_footprint:ESP-USB-Bridgelogo1

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Questions

How big is the Esp32s2-uart PCB?

It measures 30 × 14 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Esp32s2-uart use?

51 parts, built around the ESP32-S2FH4, AMS1117-3.3, USBLC6-2SC6 and PESD5V0L5UY. 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 Esp32s2-uart KiCad files?

From the TDA-2030/esp32s2-usb-uart repository on GitHub, at the commit this page was made from: the board is esp32s2-uart.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Esp32s2-uart design in my own project?

Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).