Maker project
escrocs
BOM008726 · main_board_v2
What the project is · as the catalogue files it; the circuit functions below are BOM rule hits
Filed under “嵌入式系统” in the ezPLM catalogue.
Circuit functions included · BOM rule hits · not reviewed
- Buck regulator
- U201 LM2576S-5 · by part number
- Low-dropout regulator (LDO)
- U202 AMS1117-3.3 · by part number
- Wireless SoC / wireless module
- U3 ESP32-WROOM-32 · by part number
- Wi-Fi
- U3 ESP32-WROOM-32 · by part number
- Bluetooth / Bluetooth Low Energy
- U3 ESP32-WROOM-32 · by part number
- USB to serial
- U302 CP2102N-Axx-xQFN28 · by part number
- RS-485 / RS-422
- U8 MAX485E · by part number
- I2C multiplexer / buffer / isolator
- U4, U5 PCA9306DC1 · by part number
- Level shifting
- U4, U5 PCA9306DC1 · by part number
- Rotary encoder / potentiometer / joystick
- SW3 Input encoder · by part number
- RV1 LCD contrast · by footprint
- ESD / TVS protection
- D202, D206 SMF30A · by part number
- U9, U11, U301 SRV05-4 · by part number
Helper circuits
- Power input connector
- J1 Battery in · by footprint
- USB connector (Type-C / Micro / A)
- J301 USB_B · by part number
- Fuse / resettable fuse
- F201 Polyfuse · by part number
Online view
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42 rows · 75 parts0 of 42 rows placedHover or click a row to mark its parts in the view; click a part in the view to find its row.
Looks up part numbers and makers at ezPLM, DigiKey and Mouser. What it finds are suggestions: check one before you use it.
| Designators | Value | Part | Qty | ||
|---|---|---|---|---|---|
| C1, C201, C202, C205 | 100uCP_Elec_8x10 | No part number | 4 | ||
| C2, C4, C12, C13, C14, C203, C206, C301 | 100nC_0805_2012Metric | No part number | 8 | ||
| C204 | 2000uCP_Elec_10x10.5 | No part number | 1 | ||
| R1, R4, R201, R202 | 300R_1206_3216Metric | No part number | 4 | ||
| R2, R3 | 1kR_0603_1608Metric | No part number | 2 | ||
| R5, R6 | 33kR_0603_1608Metric | No part number | 2 | ||
| R9, R10, R14 | 620R_0603_1608Metric | No part number | 3 | ||
| R11, R12, R13, R303, R304, R305, R306 | 10kR_0603_1608Metric | No part number | 7 | ||
| R301 | 82kR_0603_1608Metric | No part number | 1 | ||
| R302 | 36kR_0603_1608Metric | No part number | 1 | ||
| R307, R308 | 100R_0603_1608Metric | No part number | 2 | ||
| L1 | 10uL_12x12mm_H6mm | No part number | 1 | ||
| L201 | 100uL_12x12mm_H6mm | No part number | 1 | ||
| D4 | StatusLED_0603_1608Metric | No part number | 1 | ||
| D8 | PSM712SOT-23 | No part number | 1 | ||
| D201, D203 | SS54D_SMA | No part number | 2 | ||
| D202, D206 | SMF30AD_SMF | No part number | 2 | ||
| D204 | 5V powerLED_0603_1608Metric | No part number | 1 | ||
| D205 | 3V3 powerLED_0603_1608Metric | No part number | 1 | ||
| U3 | ESP32-WROOM-32ESP32-WROOM-32U | No part number | 1 | ||
| U4, U5 | PCA9306DC1VSSOP-8_2.3x2mm_P0.5mm | No part number | 2 | ||
| U7 | LCD-016N002LWC1602A | No part number | 1 | ||
| U8 | MAX485ESOIC-8_3.9x4.9mm_P1.27mm | No part number | 1 | ||
| U9, U11, U301 | SRV05-4SOT-23-6 | No part number | 3 | ||
| U201 | LM2576S-5TO-263-5_TabPin3 | No part number | 1 | ||
| U202 | AMS1117-3.3SOT-223-3_TabPin2 | No part number | 1 | ||
| U302 | CP2102N-Axx-xQFN28QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm | No part numberseries | 1 | ||
| F201 | PolyfuseFuse_1812_4532Metric | No part number | 1 | ||
| SW3 | Input encoderInterface labelRotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | No part number | 1 | ||
| SW301 | BOOTInterface labelSW_Push_1P1T_NO_6x6mm_H9.5mm | No part number | 1 | ||
| SW302 | RESETInterface labelSW_Push_1P1T_NO_6x6mm_H9.5mm | No part number | 1 | ||
| FB201 | FerriteBeadL_0805_2012Metric | No part number | 1 | ||
| Q301, Q302 | Q_NPN_BECSOT-23 | No part number | 2 | ||
| RV1 | LCD contrastPotentiometer_Bourns_3314J_Vertical | No part number | 1 | ||
| J1 | Battery inInterface labelBarrelJack_Horizontal | No part number | 1 | ||
| J2 | UART PGMInterface labelMolex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | No part number | 1 | ||
| J3 | TriggerInterface labelMolex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | No part number | 1 | ||
| J4 | Side selectInterface labelMolex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | No part number | 1 | ||
| J7, J8 | I2C PeripheralMolex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | No part number | 2 | ||
| J9, J10 | I2C MotorMolex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | No part number | 2 | ||
| J13, J14 | RS485Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | No part number | 2 | ||
| J301 | USB_BUSB_B_TE_5787834_Vertical | No part number | 1 |