4 layers100 × 100 mm
4 layers267 × 100.5 mm
WachcioDrop
wachcio/WachcioDrop_PCBPCB board for WachcioDrop
- Size
- 267 × 100.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 166
- Pads
- 374
- Tracks, vias
- 805, 103
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 20 Sep 2026
- Updated
- 8 Oct 2026
Overview
WachcioDrop is an open-source printed circuit board by wachcio, from the wachcio/WachcioDrop_PCB repository on GitHub. It is a 4-layer board of 267 × 100.5 mm with 74 parts on 166 nets, routed with 805 tracks and 103 vias.
It is built around the ESP32-S3-DEVKITC-1-N8R2, LCW78_05-1.0 and 74HC595D,118, with the ULN2803A, LM1117RS-3.3 and G3MB-202PL among its other parts. Its parts include 16 resistors, 14 diodes, 9 switches, 8 capacitors and 7 ICs. It belongs with the ESP32 boards of this library.
Main components
6ESP32-S3-DEVKITC-1-N8R2
-- WiFi Modules ROHSEspressif SystemsWiFi ModulesLCW78_05-1.0
SIP,12.1x9mmDC-DC Power ModulesGAPTEC Electronic
74HC595D,118
SOIC-16-40℃~+125℃ 1 100MHz 19ns@4.5V,50pF 2V~6V 74HC 8 Serial-to-Serial or Parallel Tri-State SOIC-16 Shift Registers ROHSNexperiaShift Registers
ULN2803A
SOP-18-300mil-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 500mA 50V 8 SOP-18-300mil Darlington Transistor Arrays ROHSUMWDarlington Transistor Arrays
LM1117RS-3.3
TO-252-2(DPAK)-40℃~+125℃@(Tj) 1 1.2V@(1A) 100uV 12V 1A 3.3V 5mA 75dB@(120Hz) Fixed Over Temperature Protection Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHTC Korea TAEJIN TechVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
G3MB-202PL
SIP-42A No SIP-4 Solid State Relays (Triac Output) ROHSOmronSolid State Relays (Triac Output)
README
README.mdWachcioDrop_PCB
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | LED | LED_THT:LED_Rectangular_W5.0mm_H2.0mm | D4, D5, D6, D7, D8, D9, D10, D11, D12, D14 |
| 9 | 120R | Resistor_SMD:R_0805_2012Metric | R5, R6, R7, R9, R10, R11, R12, R13, R14 |
| 9 | G3MB-202P | G3MB-202P:RELAY_G3MB-202P | K1, K2, K3, K4, K5, K6, K7, K8, K9 |
| 4 | 100 nF | Capacitor_SMD:C_0805_2012Metric | C5, C6, C7, C8 |
| 4 | ~ | TPP223:Module_touch_sensor_TTP223 | B1, B2, B3, B4 |
| 2 | 100R | Resistor_SMD:R_0805_2012Metric | R15, R16 |
| 2 | 280R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 2 | 74HC595D_118 | 74HC595D:SOIC127P600X175-16N | U5, U7 |
| 2 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3, J4 |
| 2 | Conn_02x20_Top_Bottom | Connector_IDC:IDC-Header_2x20_P2.54mm_Vertical | J1, J7 |
| 2 | LED | LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D2, D3 |
| 2 | ULN2803A | Package_SO:SOP-18_7.495x11.515mm_P1.27mm | U4, U6 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric | R8 |
| 1 | 10uF | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C2 |
| 1 | 22uF | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C4 |
| 1 | 47uF | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C3 |
| 1 | 4K7R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 6R2 1W | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | ABS10-DIODEC | Diode_SMD:Diode_Bridge_Diotec_ABS | D1 |
| 1 | AOM12864A0-1.3BW-ANO OLED | AOM12864A0:LCD_AOM12864A0-1.3BW-ANO | DS1 |
| 1 | C_Polarized | Capacitor_THT:CP_Radial_D8.0mm_P5.00mm | C1 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Conn_01x10_Socket | TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-10P_1x10_P5.00mm | J6 |
| 1 | ESP32-S3-DEVKITC-1-N8R2 | /ESP32-S3-DEVKITC-1-N8R2:XCVR_ESP32-S3-DEVKITC-1-N8R2 | U2 |
| 1 | LCW78_05-1.0 | LCW78_05:CONV_LCW78_05-1.0 | PS1 |
| 1 | LED niebieski | LED_THT:LED_Rectangular_W5.0mm_H2.0mm | D13 |
| 1 | LM1117RS-3.3 | Package_TO_SOT_SMD:TO-252-2 | U3 |
| 1 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J5 |
| 1 | TC00500 RTC DS3231 | TC00500_DS3231:MODULE_TC00500 | U1 |
The 67 most common of 74 parts.
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Questions
How big is the WachcioDrop PCB?
It measures 267 × 100.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the WachcioDrop use?
74 parts, built around the ESP32-S3-DEVKITC-1-N8R2, LCW78_05-1.0, 74HC595D,118 and ULN2803A. 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 WachcioDrop KiCad files?
From the wachcio/WachcioDrop_PCB repository on GitHub, at the commit this page was made from: the board is WachcioDrop.kicad_pcb and its schematic Shift_registers.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the WachcioDrop design in my own project?
Its repository states no licence, so its author keeps all rights: ask wachcio before reusing the design.