Loading design…
nicolas-viale
We aim to design a miniaturised, low-cost visible light and near-infrared spectrometer in a handheld form-factor to analyse fruit ripeness and other VIS/NIR applications including use in schools and universities.
| Reference | Value | Description |
|---|---|---|
| Q1 | MMUN2133LT1G | Digital PNP Transistor, 2k7/1k, SOT-23 |
| Q3-Q5 | Q_NPN_BEC | |
| U1 | MCP73831-2-OT | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Tri-State Status Output, in SOT23-5 package |
| U2 | W25Q16JVS | 16Mb Serial Flash Memory, Standard/Dual/Quad SPI, SOIC-8 |
| U3 | RP2040 | A microcontroller by Raspberry Pi |
| U4 | TPS61090 | 2A Step-Up DC-DC Converter for Batteries, Isw up to 2500mA, Adjustable output voltage, QFN-16 |
| U18 | LM1117-3.3 |
|---|
| BT1 | Battery_Cell | Single-cell battery |
|---|
| C2,C3,C58 | 10u | Unpolarized capacitor |
|---|
| C4,C8,C11,C12,C15-C20,C34 | 100n | Unpolarized capacitor |
|---|
| C5,C13,C14,C21 | 2.2u | Unpolarized capacitor |
|---|
| C6 | 100u/6V | Polarized capacitor |
|---|
| C48,C68 | 33p | Unpolarized capacitor |
|---|
| D1 | orange | Light emitting diode |
|---|
| D2 | green | Light emitting diode |
|---|
| D3 | red | Light emitting diode |
|---|
| D4 | WHITE-LED | Light emitting diode |
|---|
| D5 | IR_LED | Light emitting diode |
|---|
| D6 | UV_LED | Light emitting diode |
|---|
| J1 | AD7265X | Generic connector, single row, 01x06, script generated |
|---|
| J2 | POWER-pins | Generic connector, single row, 01x05, script generated |
|---|
| J3 | Conn_02x20_Odd_Even | Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J4 | AD7341 | Generic connector, single row, 01x06, script generated |
|---|
| J5 | I2C comm | Generic connector, single row, 01x05, script generated |
|---|
| J6 | GPIO PINS | Generic connector, single row, 01x09, script generated |
|---|
| J7 | BOARD->LED | Generic connector, single row, 01x03, script generated |
|---|
| J8 | LED->BOARD | Generic connector, single row, 01x03, script generated |
|---|
| J11 | USB_C_Receptacle_USB2.0 |
|---|
| L1 | 6.8u | Inductor |
|---|
| R1,R2,R21,R22 | 4.7k | Resistor |
|---|
| R3,R23-R25 | 10k | Resistor |
|---|
| R4,R5,R8,R20 | 1k | Resistor |
|---|
| R6,R26-R28 | 470 | Resistor |
|---|
| R7 | 200 | Resistor |
|---|
| R9 | 2k | Resistor |
|---|
| R10,R18 | 1.85M | Resistor |
|---|
| R11,R17 | 340k | Resistor |
|---|
| R12 | 220 | Resistor |
|---|
| R13,R14 | 5.1k |
|---|
| R15,R16 | 27 |
|---|
| R19 | 200k | Resistor |
|---|
| SW1 | SW_Push | Push button switch, generic, two pins |
|---|
| SW2 | RotaryEncoder_Switch | Rotary encoder, dual channel, incremental quadrate outputs, with switch |
|---|
| SW3 | SW_Push_SPDT | Momentary Switch, single pole double throw |
|---|
| SW5 | BOOT |
|---|
| TP1 | LBO | test point |
|---|
| TP3 | EN | test point |
|---|
| TP4 | D- | test point |
|---|
| TP5 | D+ | test point |
|---|
| TP6 | SWCLK | test point |
|---|
| TP7 | SWD | test point |
|---|
| Y1 | 12MHz | Four pin crystal, GND on pins 2 and 4 |
|---|