SWASTIK KAVACH (SK-01) - CIRCUIT DIAGRAM
5V
3.3V
+5V
GND
Power Section
5V Adapter /
Li-ion Battery
3.7V
Li-ion Battery
3.7V
Power
Protection
DW01A
Protection
DW01A
Battery
Charger
TP4056
Charger
TP4056
Boost
Converter
MT3608
Converter
MT3608
3.7V Li-ion Battery
Control Unit
3V3ENVPVN34353233
TX2RX22526271412GND
Communication Module
VCCGNDTXDRXDPWRKEYRST
SIM7600E-H
4G / 5G / GSM / GNSS
4G / 5G / GSM / GNSS
ANT
GPS ANTENNA
Active
Active
Sensors
Microphone
INMP441 · I2S
INMP441 · I2S
Accelerometer
KX022 · I2C
KX022 · I2C
Tamper Switch
NC Type
NC Type
Vibration Motor
Optional
Optional
User Interface
Silent SOS Button
Status LED
Hidden
Hidden
Buzzer / Siren Driver
Local / Remote
Local / Remote
Storage
Micro SD Card Module
Extra Optional
Remote Siren Relay
NO
COM
NC
COM
NC
MOSI
MISO
SCK
CS
MISO
SCK
CS