SyntaxIot
saifelden1
https://leetcode.com/studyplan/top-interview-150/
Components (25)
| Reference | Value | Description |
|---|---|---|
| U1 | DEVKIT_V1_ESP32-WROOM-32 | WROOM-32 Development Board ESP32 ESP-32S WiFi Bluetooth Dev Module |
| U2 | AS7805AT-G1 | TO-220 5V 1A 3-terminal voltage regulator, Alternate KiCad Library |
| U3 | AMS1117-3.3 | 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 |
| U4 | DS18B20 | Programmable Resolution 1-Wire Digital Thermometer TO-92 |
| U5 | MAX1487E | Half duplex RS-485/RS-422, 2.5 Mbps, ±15kV electro-static discharge (ESD) protection, no slew-rate, no low-power shutdown, with receiver/driver enable, 128 receiver drive capability, DIP-8 and SOIC-8 |
| U6 | MAX485E | Half duplex RS-485/RS-422, 2.5 Mbps, ±15kV electro-static discharge (ESD) protection, no slew-rate, no low-power shutdown, with receiver/driver enable, 32 receiver drive capability, DIP-8 and SOIC-8 |
| U7,U8 | 4069 | Hex inverter |
| C1,C2,C4 | C_0805 | SMD 0805 MLCC capacitor, Alternate KiCad Library |
| C3 | 1uf | SMD 0805 MLCC capacitor, Alternate KiCad Library |
| D1,D3,D7 | LED | Light emitting diode |
| D2 | 1N4148 | DO-35 Diode, Small Signal, Fast Switching, 75V, 150mA, 4ns, Alternate KiCad Library |
| D4-D6 | P6KE12CA | DO-15 Bidirectional TVS Diode, 12V, 600W, Alternate KiCAD Library |
| F1,F2 | RXEF030 | Fuse |
| J1 | Screw_Terminal_01x02 | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J6,J9 | ESP-Con | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4,J5 | RS485-Sen1 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J7 | DHT-22 | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R2,R5,R7,R8 | 4.7k | Resistor, Generic European Symbol, Alternate KiCad Library |
| R3,R6 | 2.4k | Resistor, Generic European Symbol, Alternate KiCad Library |
| R4 | 56k | Resistor, Generic European Symbol, Alternate KiCad Library |
| R9,R20 | 120 | Resistor, Generic European Symbol, Alternate KiCad Library |
| R13,R19,R23 | 10K | Resistor, Generic European Symbol, Alternate KiCad Library |
| R14,R16 | 1K | Resistor, Generic European Symbol, Alternate KiCad Library |
| R15,R21 | 20K | Resistor, Generic European Symbol, Alternate KiCad Library |
| R22 | 2K | Resistor, Generic European Symbol, Alternate KiCad Library |