Fermion: C4002 mmWave Human Presence Sensor - Static & Motion Detection (10m)

24 GHz mmWave radar sensor detecting static and moving human presence within a 10 × 10 m area. Compatible with Arduino, ESP32, Raspberry Pi, and Home Assistant.

Logical pinout · physical placement not verified

VIN
Type · Power
GND
Type · Ground
RX
Type · UART
TX
Type · UART
OUT
Type · Signal

Pin	Type
VIN	Power
GND	Ground
RX	UART
TX	UART
OUT	Signal

Logical pinout · physical placement not verified

Pin details

5 connections

VIN
Power
GND
Ground
RX
UART
TX
UART
OUT
Signal

Start wiring

I2C · SPI · Analog · 3.3 – 5 V · Breakout

Module pins: VIN, GND, RX, TX, OUT. Schematik maps them to your board in the app.

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