
Motherboard rev 2
hpvdt/falcon_motherboard
Firmware and hardware designs for the Falcon motherboard

SleepMonitor rounded is an open-source printed circuit board by ThomLalcte, from the ThomLalcte/SleepMonitor repository on GitHub. It is a 2-layer board of 72.3 × 42.8 mm with 62 parts on 57 nets, routed with 220 tracks and 94 vias.
It is built around the ESP32-WROOM-32D, LM358 and 2N7002K, with the SS54 among its other parts. Its parts include 15 resistors, 14 capacitors, 6 connectors, 5 transistors and 4 ICs. It belongs with the ESP32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R4, R5, R9, R10, R14, R16, R17 |
| 8 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C7, C8, C10, C13, C14 |
| 5 | 2N7002K | Package_TO_SOT_SMD:SOT-23-3 | Q1, Q2, Q3, Q4, Q6 |
| 4 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R6, R11, R12 |
| 4 | 47u | Capacitor_SMD:CP_Elec_6.3x5.7 | C4, C5, C6, C9 |
| 4 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP3, JP4, JP5, JP6 |
| 3 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1, J5, J6 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 2 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3, J4 |
| 2 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | SW1, SW2 |
| 1 | 1meg | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C12 |
| 1 | 22u | Capacitor_SMD:C_1812_4532Metric_Pad1.57x3.40mm_HandSolder | C11 |
| 1 | 2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15 |
| 1 | 470u | Inductor_SMD:L_12x12mm_H8mm | L1 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | ESP32-WROOM-32D | RF_Module:ESP32-WROOM-32D | U3 |
| 1 | Jumper_2_Open | TestPoint:TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | JP1 |
| 1 | LM358 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | LMC555xMM | Package_SO:VSSOP-8_3.0x3.0mm_P0.65mm | U1 |
| 1 | Motor_DC | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | M1 |
| 1 | Piezo | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | Y1 |
| 1 | SS54 | Diode_SMD:D_SMA_Handsoldering | D3 |
| 1 | SolderJumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP2 |
| 1 | ~ | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U4 |
The 58 most common of 62 parts.
It measures 72.3 × 42.8 mm and has 2 copper layers, 1.6 mm thick.
62 parts, built around the ESP32-WROOM-32D, LM358, 2N7002K and SS54. 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 ThomLalcte/SleepMonitor repository on GitHub, at the commit this page was made from: the board is SleepMonitor-rounded.kicad_pcb and its schematic SleepMonitor.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 ThomLalcte before reusing the design.

hpvdt/falcon_motherboard
Firmware and hardware designs for the Falcon motherboard

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