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divquan
This repository contains designs for embedded systems, including schematics, PCB layouts, and fabrication files. Ideal for learning and project inspiration.
| Reference | Value | Description |
|---|---|---|
| Q3 | UMH3N | 0.1A Ic, 50V Vce, Dual NPN Input Resistor Transistors, SOT-363 |
| Q4 | BC817 | 0.8A Ic, 45V Vce, NPN Transistor, SOT-23 |
| U6 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U7 | CP2104 | Single-Chip USB-to-UART Bridge, USB 2.0 Full-Speed, 2Mbps UART, QFN-24 |
| U8 | ESP32-WROOM-32D | RF Module, ESP32-D0WD SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD |
| U9 | APDS-9251-001 |
| Digital RGB, IR, and Ambient Light Sensor, 1.7-3.6V, LGA-8 |
| U10 | LM1117MP-3.3 | 800mA Low-Dropout Linear Regulator, 3.3V fixed output, SOT-223 |
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| C14,C18,C21,C23,C24,C26 | 22u | Unpolarized capacitor, small symbol |
|---|
| C15,C19,C20,C22,C25 | 100n | Unpolarized capacitor, small symbol |
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| C16 | 4u7 | Unpolarized capacitor, small symbol |
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| D5,D7 | LED | Light emitting diode |
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| D6 | LL4148 | 100V 0.15A standard switching diode, MiniMELF |
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| D8 | LED_RGBA | RGB LED, red/green/blue/anode |
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| DS2 | WC1602A | LCD 16x2 Alphanumeric , 8 bit parallel bus, 5V VDD |
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| F2 | Polyfuse | Resettable fuse, polymeric positive temperature coefficient, small symbol |
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| FB2 | FerriteBead | Ferrite bead, small symbol |
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| J3 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| J4 | Screw_Terminal_01x03 | Generic screw terminal, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| K2 | Relay_SPDT | Monostable Relay SPDT, EN50005 |
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| R17-R22,R28-R32 | 10k | Resistor, small symbol |
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| R23-R27 | 4K7 | Resistor, small symbol |
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| RV2 | R_Potentiometer | Potentiometer |
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| SW2 | SW_SPST | Single Pole Single Throw (SPST) switch |
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