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48% off
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

$7.16$13.80

324 sold
3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection 3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection

3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection

$1.81$1.81

213 sold
Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino

Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino

$1.30$1.30

207 sold
Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

$13.12$13.12

239 sold
72% off
Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection

Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection

$0.99$3.58

203 sold
13% off
NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

$8.51$9.78

259 sold
12% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$5.89$6.69

211 sold
51% off
52mm PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

$0.99$2.05

407 sold
50% off
2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter 2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter

2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter

$0.99$2.00

763 sold
44% off
LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits

LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits

$7.11$12.84

299 sold
4% off
5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32  5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32 

5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32 

$0.99$1.04

206 sold
High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules

High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules

$0.90$0.90

379 sold
14% off
52mm PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

$0.77$0.89

358 sold
13% off
High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules

High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules

$2.51$2.88

261 sold
13% off
1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY 1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

$4.21$4.84

314 sold
17% off
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$0.99$1.20

195 sold
43% off
Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite

Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite

$0.99$1.74

172 sold
44% off
1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$0.99$1.77

168 sold
18% off
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

$0.99$1.21

696 sold
14% off
1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY 1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

$3.96$4.60

213 sold
62% off
5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino 5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino

5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino

$0.99$2.62

316 sold
42% off
1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino 1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino

1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino

$0.99$1.71

206 sold
62% off
10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY 10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY

10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY

$7.16$19.33

205 sold
10% off
5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B 5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B

5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B

$26.80$29.78

204 sold
49% off
XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+) XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+)

XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+)

$2.95$5.84

268 sold
21% off
DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560 DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560

DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560

$7.15$9.09

359 sold
13% off
TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

$3.48$4.00

267 sold
13% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$6.72$7.72

176 sold
23% off
5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$0.99$1.30

968 sold
2% off
RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new

RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new

$0.99$1.02

280 sold
52% off
XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch

XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch

$16.09$34.11

333 sold
14% off
1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$3.98$4.63

226 sold
81% off
1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board 1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

$7.15$38.08

224 sold
52% off
XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor

XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor

$16.12$34.14

696 sold
70% off
XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch

XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch

$7.12$24.21

212 sold
48% off
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

$7.16 $13.80

324 sold

Categories: Electronic Components & Supplies, Active Components

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3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection 3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection

3.7V 2S/3S/4S lithium battery pack battery level display 12V1 car battery indicator light board anti reverse connection

$1.81 $1.81

213 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino

Smart Electronics Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino

$1.30 $1.30

207 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

Starter Kit for Arduino Uno R3 Breadboard Basic simple learning kit, sound/water level/humidity/distance detection, LED control

$13.12 $13.12

239 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
72% off
Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection

Water Level Detector Capacitor Liquid Level Sensor Switch Induction Non-contact Liquid Level Detection

$0.99 $3.58

203 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
13% off
NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

$8.51 $9.78

259 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
12% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$5.89 $6.69

211 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
51% off
52mm PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

$0.99 $2.05

407 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
50% off
2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter 2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter

2S-8S 18650 Li-ion Lipo Lithium 5-30V Lead Acid Battery Level Indicator Tester LCD Display Meter Module Capacity Voltage Meter

$0.99 $2.00

763 sold

Categories: Electronic Components & Supplies, Active Components

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44% off
LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits

LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module Power Level Tester LED Display Electronic DIY Kits

$7.11 $12.84

299 sold

Categories: Electronic Components & Supplies, Active Components

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4% off
5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32  5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32 

5V 12V 24V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU ESP32 

$0.99 $1.04

206 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules

High Quality Active / Passive Buzzer Module for Arduino New DIY Kit Active Buzzer Low Level Modules

$0.90 $0.90

379 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
14% off
52mm PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

$0.77 $0.89

358 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
13% off
High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules

High Quality Active Buzzer Module forArduino New DIY Kit Active buzzer high level modules

$2.51 $2.88

261 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
13% off
1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY 1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

$4.21 $4.84

314 sold

Categories: Electronic Components & Supplies, Active Components

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17% off
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

$0.99 $1.20

195 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
43% off
Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite

Electronic DIY Kit LM3915 Audio Level Indicator Production Suite DC 9V-12V Audio Indicator Suite

$0.99 $1.74

172 sold

Categories: Electronic Components & Supplies, Active Components

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44% off
1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$0.99 $1.77

168 sold

Categories: Electronic Components & Supplies, Active Components

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18% off
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

$0.99 $1.21

696 sold

Categories: Electronic Components & Supplies, Active Components

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14% off
1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY 1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

1S/2S/3S/4S Lithium Battery Capacity Indicator LED Display Board Power Level Indicator For 18650 Lithium Battery DIY

$3.96 $4.60

213 sold

Categories: Electronic Components & Supplies, Active Components

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62% off
5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino 5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino

5/10Pcs 4 Channels IIC I2C Logic Level Shifter Bi-Directional Module Safely Steps Down 3V to 5V Level converter for Arduino

$0.99 $2.62

316 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
42% off
1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino 1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino

1pcs High Quality HC-SR501 HCSR501 Adjust Infrared PIR Motion Sensor Detector Module for Arduino

$0.99 $1.71

206 sold

Categories: Electronic Components & Supplies, Active Components

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62% off
10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY 10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY

10pcs Multi-Color LED Display Bargraph Light 10 Segments Red Blue Yellow White Green Single Color Battery Level Bar Graph DIY

$7.16 $19.33

205 sold

Categories: Electronic Components & Supplies, Active Components

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10% off
5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B 5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B

5pcs GPS-01 Reed switch 4x18mm 5x15/20/25mm 6x30/38mm NO/NC 6*38mmHP normally Open/closed Magnetron proximity Sensor GPS-01A /B

$26.80 $29.78

204 sold

Categories: Electronic Components & Supplies, Active Components

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49% off
XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+) XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+)

XKC-Y26 Arduino Compatible Sensor,Non-contact Liquid Water Level Switch for Flat Tanks and Pipes(OD 12mm+)

$2.95 $5.84

268 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
21% off
DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560 DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560

DC 3V-5V Rain Water Level Sensor Module Detection Liquid Surface Depth Height for Arduino DIY Compatible With UNO MEGA 2560

$7.15 $9.09

359 sold

Categories: Electronic Components & Supplies, Active Components

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13% off
TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

TTL Turn To RS485 Module Hardware Automatic Flow Control Module Serial UART Level Mutual Conversion Power Supply Module 3.3V 5V

$3.48 $4.00

267 sold

Categories: Electronic Components & Supplies, Active Components

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13% off
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$6.72 $7.72

176 sold

Categories: Electronic Components & Supplies, Active Components

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23% off
5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

5V 12V low level trigger 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$0.99 $1.30

968 sold

Categories: Electronic Components & Supplies, Active Components

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2% off
RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new

RS232 MAX3232 Level to TTL Level Board 115200bps Converter Adaptor Module new

$0.99 $1.02

280 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch

XKC-Y25 Non-Contact Liquid Level Sensor Tank Water Level Sensor Water Level Sensor Liquid Induction Switch

$16.09 $34.11

333 sold

Categories: Electronic Components & Supplies, Active Components

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14% off
1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino 1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

1PCS 12V low level trigger One 1 Channel Relay Module interface Board Shield For PIC AVR DSP ARM MCU Arduino

$3.98 $4.63

226 sold

Categories: Electronic Components & Supplies, Active Components

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81% off
1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board 1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

$7.15 $38.08

224 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor

XKC-Y25 Fast Shipping Capacitive Liquid Level Sensor, Non-contact Water Detection Sensor

$16.12 $34.14

696 sold

Categories: Electronic Components & Supplies, Active Components

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70% off
XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch

XKC-Y23A Mini Size Adjustable Sensitivity Liquid Level Sensor Non-contact Water Level Detector Switch

$7.12 $24.21

212 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now