ConquerToFreedom/SwasthEdge2Low-cost self-diagnosing edge controller for industrial sensor reliability
PCB Design is an open-source printed circuit board by ConquerToFreedom, from the ConquerToFreedom/SwasthEdge repository on GitHub. It is a 4-layer board of 100 × 100 mm with 89 parts on 86 nets, routed with 1,343 tracks and 331 vias.
It is built around the MAX13487EESA+T, LM2596S-5.0 and W25Q64JVSSIQ, with the AMS1117-3.3, DS3231SN#T&R and MCP4131-103E/SN among its other parts. Its parts include 25 capacitors, 19 resistors, 11 ICs, 11 diodes and 7 connectors. It belongs with the STM32 boards of this library.
Open SwasthEdge/SwasthEdge.kicad_pro with KiCad 10.
SwasthEdge/SwasthEdge.kicad_sch — current schematic. The supplied October 22, 2026 file matches this repository file byte-for-byte.SwasthEdge/SwasthEdge.kicad_pcb — updated with the supplied powermod_experimental_all_footprints_routed (2).kicad_pcb, renamed to match the project.SwasthEdge/SwasthEdge.kicad_pro — existing KiCad project settings.SwasthEdge/SwasthEdge.net, SwasthEdge/SwasthEdge_footprint_report.txt, and SwasthEdge/SwasthEdge_board_preview.png are from the earlier October 19 snapshot and were not regenerated for the updated board. Do not use them to validate the October 22 PCB.
The PCB was supplied with “routed” in its filename, but this update does not establish that routing passes KiCad DRC or that the schematic passes ERC. Run ERC and DRC in KiCad before treating the board as fabrication-ready.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100nF | Capacitor_SMD:C_0805_2012Metric | C1, C3, C6, C8, C9, C10, C11, C12, C13, C15, C16, C17, C18, C19, C24 |
| 8 | 10k | Resistor_SMD:R_0805_2012Metric | R6, R12, R16, R17, R18, R19, R20, R21 |
| 6 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2, TP3, TP4, TP5, TP6 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C4, C14, C20, C27 |
| 4 | 1k | Resistor_SMD:R_0805_2012Metric | R7, R8, R9, R10 |
| 4 | MountingHole_Pad | MountingHole_3.2mm_M3_Pad | H1, H2, H3, H4 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric | C25, C26 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | 680R | Resistor_SMD:R_0805_2012Metric | R4, R5 |
| 2 | LED_GREEN | LED_SMD:LED_0805_2012Metric | D4, D7 |
| 2 | SMBJ12CA | Diode_SMD:D_SMB | D8, D9 |
| 2 | SS34 | Diode_SMD:D_SMC | D2, D3 |
| 1 | 0.1R | Resistor_SMD:R_2512_6332Metric | R3 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C7 |
| 1 | 120R | Resistor_SMD:R_0805_2012Metric | R15 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D11 |
| 1 | 2.2uF | Capacitor_SMD:C_0805_2012Metric | C21 |
| 1 | 220uf | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C2 |
| 1 | 22uF | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B | C5 |
| 1 | 330R | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | 33µH | Inductor_SMD:L_10.4x10.4_H4.8 | L1 |
| 1 | 3A | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | 8MHz | Crystal:Crystal_HC49-U_Vertical | Y1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | CR2032 | BatteryHolder_Keystone_3000_1xCR2032 | BT1 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J5 |
| 1 | Conn_02x04_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J6 |
| 1 | DS3231SN | Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm | U3 |
| 1 | INA226 | Package_SO:TSSOP-10_3x3mm_P0.5mm | U4 |
| 1 | LED_ORANGE | LED_SMD:LED_0805_2012Metric | D6 |
| 1 | LED_RED | LED_SMD:LED_0805_2012Metric | D10 |
| 1 | LED_YELLOW | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | LM2596S-5 | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U1 |
| 1 | LOAD_OUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J7 |
| 1 | MAX13487EESA | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | MCP4131-103E/SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U7 |
| 1 | Micro_SD_Card_Det1 | Connector_Card:microSD_HC_Hirose_DM3AT-SF-PEJM5 | J4 |
| 1 | SENSOR_BYPASS | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | SHT31-DIS | Sensor_Humidity:Sensirion_DFN-8-1EP_2.5x2.5mm_P0.5mm_EP1.1x1.7mm | U5 |
| 1 | SMBJ15A | Diode_SMD:D_SMB | D1 |
| 1 | SRD-05VDC-SL-C | Relay_THT:Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
| 1 | STM32F446RETx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U12 |
| 1 | TPS3813K33DBVR | Package_TO_SOT_SMD:SOT-23-6 | U9 |
| 1 | ULN2003ADR | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U10 |
| 1 | W25Q64JVSSIQ | Package_SO:SOIC-8_5.3x5.3mm_P1.27mm | U6 |
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It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.
89 parts, built around the MAX13487EESA+T, LM2596S-5.0, W25Q64JVSSIQ and 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.
From the ConquerToFreedom/SwasthEdge repository on GitHub, at the commit this page was made from: the board is hardware/KiCad/PCB_Design.kicad_pcb and its schematic hardware/KiCad/PCB Schematic.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask ConquerToFreedom before reusing the design.