Reed Switch Module

🧲 Reed switch module for magnetic sensing
🔁 Detects magnet presence (open/close switch action)
⚡ Digital output—easy to read with Arduino/MCU GPIO
🛠️ Simple 3-pin interface: VCC, GND, OUT
🚪 Ideal for door/window sensors and security alarms
🧩 Great for position sensing, counters, and limit switches
📦 Compact module—breadboard friendly
✅ Perfect for smart home and DIY automation projects

SKU: EK455 Categories: Electronic Modules, Reed Switch Tags: Electronic Modules, Reed Switch

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Description

This module can be applied in Program-controlled switches, copiers, washing machines, refrigerators, cameras, Disinfection cabinet, door, window magnetic, electromagnetic relays, electronic weighing, level meter, gas meter, water meter, and so on.

Specifications and Features:

Clean, good waveform driving ability, more than 15mA.
Working voltage 3.3V-5
Output format: digital switching output (0 and 1)
A fixed bolt holes for easy installation
PCB size: 3.2cm x 1.4cm
Digital output using a wide voltage LM393 comparator

Package Includes:

1 x Reed Switch Module

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
Reed Module	VCC/GND/OUT	3.3-5V / GND / board digital pin

📟

Reed Switch Module

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

Wrap

Reed Switch Module - Arduino Uno

Reed Switch Module - Arduino Nano

Reed Switch Module - Arduino Mega

Reed Switch Module - ESP32

Reed Switch Module - ESP8266

Reed Switch Module - STM32

Reed Switch Module - Raspberry Pi Pico

📄 File: reed_switch_module_-_arduino_uno.inoArduino Uno

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1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin 2 on Arduino Uno

6#define REED_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_arduino_nano.inoArduino Nano

295 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin 2 on Arduino Nano

6#define REED_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_arduino_mega.inoArduino Mega

295 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin 2 on Arduino Mega

6#define REED_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_esp32.inoESP32

288 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin 4 on ESP32

6#define REED_PIN 4

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_esp8266.inoESP8266

292 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin D4 on ESP8266

6#define REED_PIN D4

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_stm32.inoSTM32

292 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin PB4 on STM32

6#define REED_PIN PB4

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

📄 File: reed_switch_module_-_raspberry_pi_pico.inoRaspberry Pi Pico

300 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Digital OUT pin 2 on Raspberry Pi Pico

6#define REED_PIN 2

8void setup() {

9 Serial.begin(115200);

10 pinMode(REED_PIN, INPUT);

11}

13void loop() {

14 Serial.println(digitalRead(REED_PIN) == HIGH ? "Magnet near" : "No magnet");

15 delay(200);

16}

Project Notes:

Reed switch pre-mounted on a breakout with a comparator - clean digital output.

نظرة عامة ومواصفات المنتج — بالعربية

Reed Switch Module متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Electronic Modules وReed Switch، بسعر 45,00 EGP. كود المنتج لدينا: EK455. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Product Name: Reed Switch Module
Sensor Type: Magnetic Reed Switch
Operation Type: Normally Open (NO)
Trigger Method: Magnetic Field
Output Type: Digital (ON/OFF)
Operating Voltage: 3.3V – 5V
Current Rating: Low Current Signal
Indicator: Onboard LED

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Electronic Modules في إكوسترا.

Specification

WeightWeight	8 g
Dimensions	3,5 × 1,5 × 1 cm
Product Name	Reed Switch Module
Sensor Type	Magnetic Reed Switch
Operation Type	Normally Open (NO)
Trigger Method	Magnetic Field
Output Type	Digital (ON/OFF)
Operating Voltage	3.3V – 5V
Current Rating	Low Current Signal
Indicator	Onboard LED
Mounting Type	PCB Module
Response Time	Fast
Application	Door Sensors, Position Detection, Security Systems, DIY Electronics