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enolf
| Reference | Value | Description |
|---|---|---|
| Q1 | SS8550 | General Purpose PNP Transistor, 1.5A Ic, 25V Vce, SOT-23 |
| Q3,Q4 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| U1 | RP2040 | A microcontroller by Raspberry Pi, Dual ARM Cortex-M0+, 133MHz, no flash, 264KB SRAM, 8 PIO state machines, VQFN-56 |
| U2 | DS18B20 | Programmable Resolution 1-Wire Digital Thermometer TO-92 |
| U3 | MFRC522 | |
| U4 | SY8089A1AAC | LOW LOSS POWER DISTRIBUTION SWITCH WITH |
| U7 |
| 24-bit Analog-to-Digital Converter (ADC) for Weight Scales, SOIC-16 (SOP-16) |
| U8 | W25Q128JVSIQTR |
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| C1 | 22pF | Unpolarized capacitor |
|---|
| C2,C6,C19,C21 | 10uF | Unpolarized capacitor |
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| C3,C9-C18,C20,C22,C35-C41 | 100nF | Unpolarized capacitor |
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| C4,C5 | 33pF | Unpolarized capacitor |
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| C7,C8 | 1uF | Unpolarized capacitor |
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| C23,C24 | 22p NP0 |
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| C25,C26 | 62p NP0 2% |
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| C27,C28 | 56p |
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| C29-C32 | 270p NP0 2% |
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| C33 | 100n X7R 10% |
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| C34 | 1n NP0 10% |
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| D1 | PRTR5V0U2X | Ultra low capacitance double rail-to-rail ESD protection diode, SOT-143 |
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| DS1 | ILI9341 | Color 320x240 TFT Touchscreen, ILI9341 Controller Chip |
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| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| J2-J4 | Conn_01x03_Socket | Generic connector, single row, 01x03, script generated |
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| J5 | Conn_01x04_Socket | Generic connector, single row, 01x04, script generated |
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| J6 | Conn_01x08_Socket | Generic connector, single row, 01x08, script generated |
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| J7 | Conn_01x04 | Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J8 | Conn_01x06_Socket | Generic connector, single row, 01x06, script generated |
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| L1-L3 | 1uH | Inductor |
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| L4 | 3.3uH | Inductor |
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| NT4,NT10,NT11 | Net-Tie_2 |
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| NT8,NT9 | Net-Tie_2_Top |
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| R1,R2 | 5K1 | Resistor |
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| R3,R4,R13 | 27R | Resistor |
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| R5,R18-R23,R26,R27 | 10k | Resistor |
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| R6,R7,R24 | 1k | Resistor |
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| R8,R12 | 100k | Resistor |
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| R9 | 22.1k | Resistor |
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| R10 | 4.7k | Resistor |
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| R11,R14,R15 | 100 | Resistor |
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| R16 | 20k | Resistor |
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| R17 | 8.2k | Resistor |
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| R25 | 820R |
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| S1-S3 | TS-1187A-B-A-B | SPST 50mA @ 12VDC Top Actuated Round Button 160gf SMD Tactile Switches RoHS |
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| Y1 | X322512MSB4SI | SMD Crystal Resonators 12MHz +/-10ppm SMD-3225_4P RoHS |
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| Y2 | Crystal_GND23 | Four pin crystal, GND on pins 2 and 3 |
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