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2 layers52.5 × 88.5 mmESP32-2-Relay, the printed circuit board in 3D
Size
52.5 × 88.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
45
Nets
84
Pads
246
Tracks, vias
407, 219
Pours
11
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
18 Nov 2024
Updated
23 Nov 2024

Overview

ESP32-2-Relay is an open-source printed circuit board by Shuzukochan, from the Shuzukochan/ESP32-2-Relay repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 52.5 × 88.5 mm with 45 parts on 84 nets, routed with 407 tracks and 219 vias.

It is built around the ESP32-WROOM-32, AMS1117-3.3 and USBLC6-2SC6, with the BC847W, BC857 and SRD-05VDC-SL-C among its other parts. Its parts include 14 resistors, 7 capacitors, 6 ICs, 6 diodes and 4 transistors. It belongs with the home automation and IoT boards and the ESP32 boards of this library.

Main components

6

Parts

45
QtyValueFootprintReferences
710KResistor_SMD:R_0603_1608MetricR2, R3, R4, R5, R13, R20, R21
3100nFCapacitor_SMD:C_0201_0603MetricC4, C10, C13
210uFCapacitor_SMD:C_0201_0603MetricC3, C14
21KResistor_SMD:R_0603_1608MetricR9, R11
21N4007Diode_SMD:D_SMAD3, D5
22.2KResistor_SMD:R_0805_2012MetricR8, R10
222uFCapacitor_SMD:C_0201_0603MetricC1, C2
25k6Resistor_SMD:R_0805_2012MetricR6, R7
2BC847WPackage_TO_SOT_SMD:SOT-323_SC-70Q3, Q4
2BC857Package_TO_SOT_SMD:TSOT-23Q1, Q2
2PC817Shuzuko_footprint:SMDIP-4_W7.62mmU5, U6
2RED_LEDLED_SMD:LED_0201_0603MetricD2, D4
2SRD-05VDC-SL-CShuzuko_footprint:RELAY_SRD-05VDC-SL-CK1, K2
2SW_PushButton_Switch_SMD:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFSSW3, SW4
11n4148Diode_SMD:D_SOD-123D8
12KResistor_SMD:R_0603_1608MetricR1
1AMS1117-3.3Shuzuko_footprint:SOT-223-3_TabPin2U1
1CP2102N-Axx-xQFN28Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mmU8
1Conn_01x02TRUNGTHAO:Conn_XH-P2.54mm-2PJ4
1ESP32-WROOM-32Shuzuko_footprint:ESP32-WROOM-32U4
1Relay-1TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_HorizontalJ1
1Relay-2TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_HorizontalJ2
1USBLC6-2SC6Package_TO_SOT_SMD:SOT-23-6U7
1USB_C_Receptacle_USB2.0Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ3
1YELLOW_LEDLED_SMD:LED_0201_0603MetricD1

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Questions

How big is the ESP32-2-Relay PCB?

It measures 52.5 × 88.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ESP32-2-Relay use?

45 parts, built around the ESP32-WROOM-32, AMS1117-3.3, USBLC6-2SC6 and BC847W. 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 ESP32-2-Relay KiCad files?

From the Shuzukochan/ESP32-2-Relay repository on GitHub, at the commit this page was made from: the board is ESP32-2-Relay.kicad_pcb and its schematic ESP32-2-Relay.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the ESP32-2-Relay design in my own project?

Its repository publishes it under the CERN-OHL-P-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).