SWASTIK KAVACH (SK-01) - CIRCUIT DIAGRAM
5V
3.3V
+5V
GND

Power Section

5V Adapter /
Li-ion Battery
3.7V
Power
Protection
DW01A
Battery
Charger
TP4056
Boost
Converter
MT3608
3.7V Li-ion Battery

Control Unit

3V3ENVPVN34353233
TesController Controller + AI Core
TX2RX22526271412GND

Communication Module

VCCGNDTXDRXDPWRKEYRST
SIM7600E-H
4G / 5G / GSM / GNSS
ANT
GPS ANTENNA
Active

Sensors

Microphone
INMP441 · I2S
Accelerometer
KX022 · I2C
Tamper Switch
NC Type
Vibration Motor
Optional

User Interface

Silent SOS Button
Status LED
Hidden
Buzzer / Siren Driver
Local / Remote

Storage

Micro SD Card Module

Extra Optional

Remote Siren Relay
NO
COM
NC
MOSI
MISO
SCK
CS
1k 2N2222