PCB Accident Alert Button Design
Thought for 4 mins 23 sec
Components to Add
Table
| Part Name | Purpose | Manufacturer Part Number | Quantity | Footprint | Datasheet |
|---|---|---|---|---|---|
| 2-Pin JST PH Connector | LiPo battery connection | B2B-PH-K-S(LF)(SN) | 1 | Through Hole | ___ |
| TP4056 Linear Charger IC | Single-cell Li-Ion charger with micro-USB input | TP4056 | 1 | SOP-8 | |
| AMS1117-3.3 LDO Regulator | 3.3 V power rail for ESP32-CAM and peripherals | AMS1117-3.3 | 1 | SOT-223-4 | |
| 0.1 µF X7R Ceramic Capacitor (0603) | Decoupling near ESP32-CAM and camera for EMI reduction | CC0603KRX7R7BB104 | 2 | 0603 | ___ |
| 10 kΩ Chip Resistor (0402) | Pull-down on GPIO0 to hold button line low | CRCW040210K0FKEDC | 1 | 0402 | |
| 220 Ω Chip Resistor (0603) | Current-limit for red and green status LEDs | CRCW0603220RJNEA | 2 | 0603 | |
| Push Button Tactile Switch | User-activated alert button on GPIO0 | B3U-1000P | 1 | Surface Mount | |
| Red LED (0805) | Visual status indicator driven by GPIO2 | SM0805HCL | 1 | 0805 | |
| Green LED (0603) | Visual status indicator driven by GPIO4 | 150060VS55040 | 1 | 0603 | |
| ESP32-CAM Wi-Fi & Camera Module | Microcontroller, OV2640 camera, and Wi-Fi connectivity | ESP32-CAM | 1 | Through Hole | ___ |
| microSD™ Card Connector (Right-Angle) | Storage interface for captured images | MEM2067-02-180-00-A | 1 | Right-Angle SMD | ___ |
| 6-Pin FTDI Programming Header | UART flash/debug interface (TX/RX/GND/VCC) | FTSH-103-01-F-DV-TR | 1 | Surface Mount (1.27 mm) | ___ |
| Mounting Hole Pad (3.2 mm drill) | Mechanical fastening for enclosure | MountingHole_Pad | 4 | R_2010_5025Metric | ___ |
| DW01A Battery Protection IC (SOT-23-6) | Over-charge, over-discharge, and over-current protection for Li-Ion battery | DW01A | 1 | SOT-23-6 | |
| FS8205A Dual MOSFET (SOT-23-6) | Dual MOSFET for battery protection switch | FS8205A | 1 | SOT-23-6 | ___ |
Would you like me to add these components to your schematic?
Thought for 26 sec
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