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Olin-Rocketry
Sensing hardware and software
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | PMOS | |
| U1 | ESP32 C3 | |
| U2 | 3.3V Boost Voltage Regulator | |
| U3 | Battery Charger 4.2V | |
| U4 | SPI Flash 16Mb | NOR Flash Serial (SPI, Dual SPI, Quad SPI) 3V/3.3V 16M-bit 2M x 8 6ns 8-Pin USON EP T/R |
| U5 | Antenna | |
| U6 | BMP390 |
| C1 | 1 uF |
|---|
| C2 | 4.7 uF |
|---|
| C3,C6,C8,C10,C18,C20 | 10 uF |
|---|
| C4,C5,C9,C11-C14,C19,C22,C25-C27,C29 | 0.1 uF |
|---|
| C7,C17 | 10 nF |
|---|
| C15,C16 | 10 pF |
|---|
| C21 | 0.1uF |
|---|
| C23 | 5.1 pF |
|---|
| C24 | 3.9 pF |
|---|
| C28 | 10uF |
|---|
| CR1-CR8 | ESD Protection |
|---|
| D1 | LED |
|---|
| D2,D3 | D_Schottky |
|---|
| FB1,FB2 | FerriteBead |
|---|
| J1 | USB |
|---|
| J2 | Battery Connector |
|---|
| J3 | Micro_SD Reader |
|---|
| J6,J7 | JST Connector |
|---|
| L1 | 3.3 uH |
|---|
| L4 | 1.8 nH |
|---|
| LED1-LED3 | Addressable LED |
|---|
| R1 | 2.26M |
|---|
| R2 | 249k |
|---|
| R3,R6,R7,R15,R16 | 5.1k |
|---|
| R4,R8 | 100k |
|---|
| R5 | 22 Ohm |
|---|
| R9 | 316k |
|---|
| R10,R13,R14 | 470 Ohm |
|---|
| R11,R12 | 0 Ohm |
|---|
| SW1,SW2 | SW_Push |
|---|
| Y1 | 40MHz Crystal Oscillator | 40 MHz ±10ppm Crystal 9pF 30 Ohms 4-SMD, No Lead |
|---|