Online inquiry
Products
Home > 产品展示
GH718A 价格:

Online inquiry
Details Specification Packaging


Product Overview

The GH718 series is an ultra-low-power human body infrared sensing module with a static power consumption of only 30μA, supporting a wide voltage range of 3.7V-20V and adjustable sensing distance of 3/7 meters. It outputs a 3V TTL level, making it ideal for battery-powered smart home and IoT devices.


Product Features

Ultra-low power consumption: Static current ≤30μA, providing up to 3 years of battery life with a 1000mAh battery.

Wide voltage range: 3.7V-20V, compatible with lithium batteries, USB 5V, 12V

Adjustable distance: 3m/7m dual-range switching, adaptable to spaces of varying sizes

Dual modes: Hardware switchable between repeatable/non-repeatable triggering

Plug-and-play: 3-wire interface, compatible with ESP32/Arduino/STM32

Multiple packaging options: Plastic encapsulation or TO-5 metal casing available


Main Parameters

Parameter Items

Specification Values

Operating Voltage

DC 3.7V - 20V

Standby Current

≤30μA

Sensing Distance

3m / 7m (Adjustable)

Sensing Angle

110° conical

Output signal

3V TTL level

Trigger mode

Repeatable/Non-repeatable

Warm-up time

30 seconds

Package size

GH718A: 45×37×13mm

Drive capability

OUT pin ≤5mA (external MOS transistor required)


Module Output Interface Definition:

Project

Interface Definition

Description

1

VCC

Power Positive (3.3V-20V)

2

OUT

TTL level output (3V/0V), Maximum driving capability 5mA

3

GND

Power negative/System ground




© 2026 Geha (Shenzhen) Technology Co., Ltd  All Rights Reserved. 腾云建站仅向商家提供技术服务