PCB Accident Alert Button Design


Components to Add

Table


Part NamePurposeManufacturer Part NumberQuantityFootprintDatasheet
2-Pin JST PH ConnectorLiPo battery connectionB2B-PH-K-S(LF)(SN)1Through Hole___
TP4056 Linear Charger ICSingle-cell Li-Ion charger with micro-USB inputTP40561SOP-8PDF
AMS1117-3.3 LDO Regulator3.3 V power rail for ESP32-CAM and peripheralsAMS1117-3.31SOT-223-4PDF
0.1 µF X7R Ceramic Capacitor (0603)Decoupling near ESP32-CAM and camera for EMI reductionCC0603KRX7R7BB10420603___
10 kΩ Chip Resistor (0402)Pull-down on GPIO0 to hold button line lowCRCW040210K0FKEDC10402PDF
220 Ω Chip Resistor (0603)Current-limit for red and green status LEDsCRCW0603220RJNEA20603PDF
Push Button Tactile SwitchUser-activated alert button on GPIO0B3U-1000P1Surface MountPDF
Red LED (0805)Visual status indicator driven by GPIO2SM0805HCL10805PDF
Green LED (0603)Visual status indicator driven by GPIO4150060VS5504010603PDF
ESP32-CAM Wi-Fi & Camera ModuleMicrocontroller, OV2640 camera, and Wi-Fi connectivityESP32-CAM1Through Hole___
microSD™ Card Connector (Right-Angle)Storage interface for captured imagesMEM2067-02-180-00-A1Right-Angle SMD___
6-Pin FTDI Programming HeaderUART flash/debug interface (TX/RX/GND/VCC)FTSH-103-01-F-DV-TR1Surface Mount (1.27 mm)___
Mounting Hole Pad (3.2 mm drill)Mechanical fastening for enclosureMountingHole_Pad4R_2010_5025Metric___
DW01A Battery Protection IC (SOT-23-6)Over-charge, over-discharge, and over-current protection for Li-Ion batteryDW01A1SOT-23-6PDF
FS8205A Dual MOSFET (SOT-23-6)Dual MOSFET for battery protection switchFS8205A1SOT-23-6___
Would you like me to add these components to your schematic?

J7
U5
PP5V0
PG_PP5V0
USBC2.0_D_N
SPI_MISO
I2C_SDA
PP3V3
PP3V3
SPI_SCK
USBC2.0_D_P
I2C_SCL
PP3V3_SPI
PP3V3
SPI_SCK
INT_ADC_DRDY
PP3V3
GPIO_SW1
I2C_SDA
GPIO_SW2
SPI_MISO
PP12V0
SPI_MOSI
I2C_SCL
SPI_CS
VOS
PP3V3
PP3V3
SPI_CS
SPI_MOSI
R3
Resistance
10kΩ
C7
Capacitance
1uF
C13
Capacitance
1uF
R1
Resistance
10kΩ
C18
Capacitance
1uF
C10
Capacitance
1uF
C15
Capacitance
1uF
C5
Capacitance
1uF
R5
Resistance
10kΩ
C12
Capacitance
1uF
C24
Capacitance
1uF
C31
Capacitance
.1uF
J6
H4
H1
C2
Manufacturer Part Number
OPT
H2
C8
Capacitance
13pF
H3
C6
Capacitance
1.2pF
C4
Capacitance
13pF
C25
Capacitance
22uF
Y1
R7
Resistance
100kΩ
L1
Inductance
2.2nH
R8
Resistance
953kΩ
R6
Resistance
180kΩ
L2
Inductance
2.2nH
IC1
U2
C22
Capacitance
10uF
C21
Capacitance
10uF
C30
Capacitance
10uF
MCU_TXD
J1
MCU_RXD
MCU_BOOT
Y2
J2
L4
L3
Inductance
2.2uH

ESPRSSO32 Smart Scale AI Auto Layout [Example]

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