Liger v0.2
Liger v0.2 is an open source ESP32 PCB design by physiii: a 4-layer, 36 × 63 mm board with 84 components (32 distinct parts). It is built around the ESP32-WROOM-32, PYQ2898, AMS1117-3.3, MT2492 and more. Filed under iot & wireless.
ESP32 lock controller with NFC and motion detection.
ESP32-S3 firmware, web controls and hardware for a two-channel strike/magnetic lock controller. Wiegand readers, keypads, exit buttons, fobs and motion inputs feed the same authorization and lock-control services.
Use the configured ESP-IDF checkout and espwebsocketclient component. The current firmware targets ESP32-S3; building does not flash a controller.
The browser check uses intercepted fixtures and cannot operate a real lock. It covers desktop/mobile navigation, AP/STA links and recovery after saving Wi-Fi settings. Omit CHROMIUMPATH` to use Playwright's installed Chromium.
Built around
Parts list
84 components, 32 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-WROOM-32 | ESP32-WROOM-32 | U1 |
| 1 | PYQ2898 PIR-DIGITAL | TO-5-3 | U2 |
| 1 | AMS1117-3.3 REG_AMS1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 1 | MT2492 REG_MT2492 | SOT-23-6_Handsoldering | U4 |
| 1 | CH340T CH340T(SSOP20W) | SSOP-20W | U5 |
| 1 | X322512MSB4SI Crystal_12Mhz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Q1 |
| 1 | SS8050 Q_SS8050 | SOT-23 | Q2 |
| 1 | SS8550 Q_SS8550 | SOT-23 | Q3 |
| 12 | MMBT5551 Q_MMBT5551 | SOT-23 | Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11 +4 |
| 1 | 0548190519 USB_MINI_B | USB-mini-B-0548190519 | J2 |
| 4 | 533980671 Molex_Blade_6pin | Molex_PicoBlade_53261-0671_1x06-1MP_P1.25mm_Horizontal | J3, J4, J5, J6 |
| 4 | CONN_01X01_FEMALE Conn_01x01_Female | Mount_Hole_1p5 | J7, J8, J9, J10 |
| 2 | TS-1187A-B-A-B SW_PUSH_SM | SW_SPST_TL3342 | EN1, PROG1 |
| 2 | 19-217/BHC-ZL1M2RY/3T LED_G | D_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 1 | LBAT54CLT1G BAT54C | SOT-23 | D3 |
| 1 | 19-217/BHC-ZL1M2RY/3T LED_G | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
| 5 | SM4007PL D_SM4007PL | D_SOD-123F | D5, D6, D7, D8, D9 |
| 1 | WS2812B | LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm | D10 |
| 1 | WPN4020H100MT 10uH | L_4x4 | L1 |
| 1 | CL10A106MA8NRNC C_10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CL05A105KA5NQNC C_1uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2, C3 |
| 2 | 0402CG270J500NTN C_27pF_0402 | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C4, C5 |
| 2 | CL10A226MQ8NRNC C_22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C6, C12 |
| 1 | CL05B104KO5NNNC C_100nF_0402 | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C7 |
| 3 | CL21A106KAYNNNE C_10uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8, C9, C10 |
| 1 | 0402B223K500NT 22nF | C_0402_1005Metric | C11 |
| 5 | 0402WGF1002TCE R_10K_0402 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1, R2, R4, R5, R26 |
| 17 | 0402WGF1001TCE R_1K_0402 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3, R6, R7, R11, R12, R14, R15, R16 +9 |
| 1 | 0402WGF2200TCE R_220_0402 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R8 |
| 1 | 0603WAF4992T5E 49.9K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R9 |
| 5 | 0402WGF1000TCE R_100 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R10, R13, R17, R20, R23 |
| 1 | 0402WGF1912TCE 19K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R25 |
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