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52% off
3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi 3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

$34.75$72.39

653 sold
50% off
Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino

Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino

$44.68$89.36

504 sold
Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm

Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm

$26.99$26.99

562 sold
52% off
DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

$46.11$96.06

188 sold
50% off
normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino

normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino

$19.40$38.81

201 sold
30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch 30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch

30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch

$8.62$8.62

170 sold
50% off
10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire 10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

$26.32$52.64

601 sold
53% off
Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

$23.79$50.61

267 sold
53% off
Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

$56.71$120.67

521 sold
67% off
Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories

Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories

$17.65$53.52

202 sold
68% off
Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

$25.04$78.24

225 sold
50% off
1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands 1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands

1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands

$25.77$51.54

605 sold
67% off
1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V 1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V

1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V

$21.23$64.33

216 sold
53% off
DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

$29.06$61.83

431 sold
BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V

BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V

$2.01$2.01

176 sold
50% off
DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio

DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio

$31.28$62.56

157 sold
68% off
TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White

TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White

$26.87$83.98

156 sold
52% off
DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm

DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm

$54.98$114.54

613 sold
Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip

Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip

$2.05$2.05

257 sold
50% off
DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V

DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V

$39.42$78.84

159 sold
30% off
MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System

MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System

$27.20$38.86

168 sold
53% off
AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

$29.43$62.62

277 sold
50% off
AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

$31.76$63.53

221 sold
53% off
3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi 3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

$33.87$72.06

689 sold
68% off
1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester 1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester

1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester

$23.82$74.43

407 sold
67% off
10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire 10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

$26.63$80.71

147 sold
50% off
Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD

Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD

$25.03$50.06

186 sold
50% off
DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

$48.03$96.06

191 sold
69% off
Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

$59.25$191.12

467 sold
53% off
EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

$22.20$47.24

147 sold
68% off
1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion 1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion

1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion

$26.92$84.13

989 sold
52% off
GY-30 GY-302 BH1750 BH1750FVI light intensity illumination module 3V-5V for Arduino GY-30 GY-302 BH1750 BH1750FVI light intensity illumination module 3V-5V for Arduino

GY-30 GY-302 BH1750 BH1750FVI light intensity illumination module 3V-5V for Arduino

$23.27$48.47

149 sold
53% off
DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

$19.44$41.37

1904 sold
67% off
HIGH quality 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit HIGH quality 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

HIGH quality 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

$23.77$72.04

260 sold
53% off
1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers For Lipo/Li-ion 1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers For Lipo/Li-ion

1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers For Lipo/Li-ion

$24.00$51.07

1501 sold
52% off
3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi 3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

$34.75 $72.39

653 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino

Lithium Battery Power Detection Alarm Module with A/D Conversion and I2C Interface MAX17043 for Arduino

$44.68 $89.36

504 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm

Dupont Line 10cm 15cm 20cm 30cm 40cm Male/ Female to Male / Female Jumper Wire Dupont Cable for Arduino DIY KIT 40Pin 2.54mm

$26.99 $26.99

562 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

$46.11 $96.06

188 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino

normally closed type vibration sensor module Alarm sensor module Vibration switch SW-420 for arduino

$19.40 $38.81

201 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch 30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch

30M Home Security Alarm Systen 180 Degree Outdoor PIR Infrared Motion Sensor Switch Movement Detector Automatic Lighting Switch

$8.62 $8.62

170 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire 10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

$26.32 $52.64

601 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% off
Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

$23.79 $50.61

267 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% off
Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

$56.71 $120.67

521 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% off
Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories

Transistor Active / Passive Buzzer Sensor Alarm Module KY-006 KY-012 For LH DIY Kit Accessories

$17.65 $53.52

202 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% off
Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

Single 12V 0.8A DC PWM 2-3 Wire Fan Temperature Control Speed Controller Chassis Computer Noiseor PC CPU Cooler Fan Alarm STK IC

$25.04 $78.24

225 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands 1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands

1PCS HQ3268 Professional And Practical Quartz Wall Clock Movement Mechanism DIY Repair Tool Parts Kit with Red Hands

$25.77 $51.54

605 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% off
1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V 1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V

1~5PCS Li-ion Lithium Battery Protection Board, BMS Charger, Electric Circuit Board 3S, 12V, 18650, 10A, 10.8V, 11.1V, 12.6V

$21.23 $64.33

216 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

DFPlayer Mini MP3 Module Voice Sound Module with TF Card USB Port for Arduino UNO ESP32 Notification Alarm System DIY

$29.06 $61.83

431 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V

BX100 1-8S Lipo Battery Voltage Tester/ Low Voltage Buzzer Alarm/ Battery Voltage Checker with Dual Speakers for 3.7V 7.4V

$2.01 $2.01

176 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio

DFPlayer Mini MP3 Player Module with TF Card USB Port for Arduino Notification Alarm DIY Toys Raspberry Pi ESP32 Bluetooth Audio

$31.28 $62.56

157 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% off
TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White

TM1637 LED Display Module for Arduino 4 Digit 7 Segment 0.56 inch Time Clock Indicator Tube Module Red Blue Green Yellow White

$26.87 $83.98

156 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
52% off
DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm

DC 4.5-6V Ultrasonic Distance Measurer Module Soldering Practice Kit With LED Lights DIY Kit Ultrasonic Ranging Alarm

$54.98 $114.54

613 sold

Categories: Electronic Components & Supplies, Active Components

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Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip

Dual way burglar alarm kit 120 ambulance alarm sound student principle experiment training CD4011 circuit board NE556 chip

$2.05 $2.05

257 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V

DIY Metal Detector Kit Buzzer Alarm with LED Lights Electronic Soldering Project Circuit Board Building Kit DC6V

$39.42 $78.84

159 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System

MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System

$27.20 $38.86

168 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

$29.43 $62.62

277 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

AT89C2051 4 Digit Digital Clock Kit DIY Soldering Practice Electronic Production Suite for STEM Learning

$31.76 $63.53

221 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% off
3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi 3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

3PCS DS3231 AT24C32 IIC RTC Module Clock Timer Memory Module Beats Replace DS1307 I2C RTC Board for Arduino Raspberry Pi

$33.87 $72.06

689 sold

Categories: Electronic Components & Supplies, Active Components

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68% off
1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester 1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester

1pcs 1-8S LED Low Voltage Buzzer Alarm Lipo Voltage Indicator Checker Tester

$23.82 $74.43

407 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire 10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

10PCS Alligator Clips 50CM Electrical DIY Test Leads Alligator Double-ended Crocodile Clips Roach Clip Test Jumper Wire

$26.63 $80.71

147 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD

Dupont Line 10cm/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT YANXD

$25.03 $50.06

186 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

DS1302 Digital Clock DIY Kit, Rotating LED Scrolling Clock Module, with Time, Temperature, Alarm and Power-Off Memory Functions

$48.03 $96.06

191 sold

Categories: Electronic Components & Supplies, Active Components

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69% off
Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

Multifunction DIY Electronic Clock Kit LED Digital Clock Production Kit 51 Microcontroller Time Alarm Date Temperature Display

$59.25 $191.12

467 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
53% off
EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

EGBO 1PCS 5S 15A Li-ion Lithium Battery BMS 18650 Charger Protection Board 18V 21V Cell Protection Circuit

$22.20 $47.24

147 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
68% off
1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion 1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion

1-8S BBX1-8S 2IN1 Lipo Battery Voltage Tester/Low Voltage Buzzer Alarm/Battery Voltage Checker Dual Speakers for Lipo/Li-ion

$26.92 $84.13

989 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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GY-30 GY-302 BH1750 BH1750FVI light intensity illumination module 3V-5V for Arduino GY-30 GY-302 BH1750 BH1750FVI light intensity illumination module 3V-5V for Arduino

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