Module

View all
OPMSA04 OPMSB08 OPMSC12 OPMSD16 4-16CH 5A PLC Signal Amplifier Board – DC 3.3-24V NPN/PNP Logic Level Converter with Opto-Isolation & MOS Output for Industrial Automation

OPMSA04 OPMSB08 OPMSC12 OPMSD16 4-16CH 5A PLC Signal Amplifier Board – DC 3.3-24V NPN/PNP Logic Level Converter with Opto-Isolation & MOS Output for Industrial Automation

OPMSA04 OPMSB08 OPMSC12 OPMSD16 4-16CH 5A PLC Signal Amplifier Board – DC 3.3-24V NPN/PNP Logic Level Converter with Opto-Isolation & MOS Output for Industrial Automation
$4.85
DD0505MD 5V Boost Converter – 2.8-4.5V to 5V DC-DC Step-Up Power Module for USB 18650 Power Bank ESP8266 DS18B20 LCD

DD0505MD 5V Boost Converter – 2.8-4.5V to 5V DC-DC Step-Up Power Module for USB 18650 Power Bank ESP8266 DS18B20 LCD

DD0505MD 5V Boost Converter – 2.8-4.5V to 5V DC-DC Step-Up Power Module for USB 18650 Power Bank ESP8266 DS18B20 LCD
$3.94
AMDSG08 8CH DS18B20 Temperature Acquisition Module – RS485 Modbus RTU with ±0.5°C Accuracy for PLC SCADA Industrial Automation

AMDSG08 8CH DS18B20 Temperature Acquisition Module – RS485 Modbus RTU with ±0.5°C Accuracy for PLC SCADA Industrial Automation

AMDSG08 8CH DS18B20 Temperature Acquisition Module – RS485 Modbus RTU with ±0.5°C Accuracy for PLC SCADA Industrial Automation
$25.15
CRLD20MA 2-in-1 Battery Charger & LDO Converter – DC 5V to 4.2V 500mA Charging + 3.7V to 3.3V 250mA Step-Down for 18650 Li-Ion Li-Po

CRLD20MA 2-in-1 Battery Charger & LDO Converter – DC 5V to 4.2V 500mA Charging + 3.7V to 3.3V 250mA Step-Down for 18650 Li-Ion Li-Po

CRLD20MA 2-in-1 Battery Charger & LDO Converter – DC 5V to 4.2V 500mA Charging + 3.7V to 3.3V 250mA Step-Down for 18650 Li-Ion Li-Po
$10.00
LD3080SA 20W Constant Current LED Driver – DC 3.7-30V PWM Dimming Module with 330/500/660/910mA Selectable Output for Flashlight Headlight

LD3080SA 20W Constant Current LED Driver – DC 3.7-30V PWM Dimming Module with 330/500/660/910mA Selectable Output for Flashlight Headlight

LD3080SA 20W Constant Current LED Driver – DC 3.7-30V PWM Dimming Module with 330/500/660/910mA Selectable Output for Flashlight Headlight
$10.00
NDUB22TA 3A Buck-Boost Converter – DC 3-23V to 3.3V/5V/12V Adjustable Step-Up Down Voltage Regulator with 93% Efficiency for Solar Battery ESP32

NDUB22TA 3A Buck-Boost Converter – DC 3-23V to 3.3V/5V/12V Adjustable Step-Up Down Voltage Regulator with 93% Efficiency for Solar Battery ESP32

NDUB22TA 3A Buck-Boost Converter – DC 3-23V to 3.3V/5V/12V Adjustable Step-Up Down Voltage Regulator with 93% Efficiency for Solar Battery ESP32
$5.45
ND2812TB 5A Synchronous Buck Converter – DC 5-30V to 3.3V/5V/12V Adjustable Step-Down Regulator with 94% Efficiency for Motor LED E-Bike

ND2812TB 5A Synchronous Buck Converter – DC 5-30V to 3.3V/5V/12V Adjustable Step-Down Regulator with 94% Efficiency for Motor LED E-Bike

ND2812TB 5A Synchronous Buck Converter – DC 5-30V to 3.3V/5V/12V Adjustable Step-Down Regulator with 94% Efficiency for Motor LED E-Bike
$11.52
NDUP1APA 15W 2-in-1 UPS Module – 5-24V Uninterruptible Power Supply with 3.7V/4.2V Li-ion Battery Charger & Booster for Router PLC IoT

NDUP1APA 15W 2-in-1 UPS Module – 5-24V Uninterruptible Power Supply with 3.7V/4.2V Li-ion Battery Charger & Booster for Router PLC IoT

NDUP1APA 15W 2-in-1 UPS Module – 5-24V Uninterruptible Power Supply with 3.7V/4.2V Li-ion Battery Charger & Booster for Router PLC IoT
$5.45

Relay

 View all
8/16/24/32/48CH Multifunction RS485 Remote IO Module – NPN/PNP DI-DO Expansion Board with DIN Rail & Modbus RTU for PLC Industrial Automation

8/16/24/32/48CH Multifunction RS485 Remote IO Module – NPN/PNP DI-DO Expansion Board with DIN Rail & Modbus RTU for PLC Industrial Automation

8/16/24/32/48CH Multifunction RS485 Remote IO Module – NPN/PNP DI-DO Expansion Board with DIN Rail & Modbus RTU for PLC Industrial Automation
$11.52
IO32G01_NC DC 12V ACC Trigger Delay Power-Off Relay Module – 20A Timing Switch for Dashcam Stereo Ambient Light Car Accessories

IO32G01_NC DC 12V ACC Trigger Delay Power-Off Relay Module – 20A Timing Switch for Dashcam Stereo Ambient Light Car Accessories

IO32G01_NC DC 12V ACC Trigger Delay Power-Off Relay Module – 20A Timing Switch for Dashcam Stereo Ambient Light Car Accessories
$4.55
IO32G01 20A DC 12V Car ACC Trigger Delay Power-Off Relay Module – Timing Switch for Dashcam Stereo Ambient Light Vehicle Accessories

IO32G01 20A DC 12V Car ACC Trigger Delay Power-Off Relay Module – Timing Switch for Dashcam Stereo Ambient Light Vehicle Accessories

IO32G01 20A DC 12V Car ACC Trigger Delay Power-Off Relay Module – Timing Switch for Dashcam Stereo Ambient Light Vehicle Accessories
$4.24
PS58F01 10A Battery Charger Discharger Module – 0-60V Auto Cut-Off Undervoltage Overvoltage Protection Board for 12V/24V/36V/48V Lead-Acid UPS DIY

PS58F01 10A Battery Charger Discharger Module – 0-60V Auto Cut-Off Undervoltage Overvoltage Protection Board for 12V/24V/36V/48V Lead-Acid UPS DIY

PS58F01 10A Battery Charger Discharger Module – 0-60V Auto Cut-Off Undervoltage Overvoltage Protection Board for 12V/24V/36V/48V Lead-Acid UPS DIY
$5.45
OP22B01 AC Voltage Detection Module – 110/220V Mains Power ON/OFF Sensor with 3-24V NPN/PNP Output for Arduino ESP8266 PLC STM32

OP22B01 AC Voltage Detection Module – 110/220V Mains Power ON/OFF Sensor with 3-24V NPN/PNP Output for Arduino ESP8266 PLC STM32

OP22B01 AC Voltage Detection Module – 110/220V Mains Power ON/OFF Sensor with 3-24V NPN/PNP Output for Arduino ESP8266 PLC STM32
$3.03
RYR408B 8CH 10A RS485 Relay Module – DIP Switch Configurable Modbus RTU PLC Remote IO Board with 8 Commands for Industrial Automation

RYR408B 8CH 10A RS485 Relay Module – DIP Switch Configurable Modbus RTU PLC Remote IO Board with 8 Commands for Industrial Automation

RYR408B 8CH 10A RS485 Relay Module – DIP Switch Configurable Modbus RTU PLC Remote IO Board with 8 Commands for Industrial Automation
$19.09
DNUNA16 6AI 6DI 4DO RS485 I/O Expansion Board for Arduino UNO R3 DC 7-30V Analog Data Acquisition Module 0-20mA 4-20mA 0-10V

DNUNA16 6AI 6DI 4DO RS485 I/O Expansion Board for Arduino UNO R3 DC 7-30V Analog Data Acquisition Module 0-20mA 4-20mA 0-10V

DNUNA16 6AI 6DI 4DO RS485 I/O Expansion Board for Arduino UNO R3 DC 7-30V Analog Data Acquisition Module 0-20mA 4-20mA 0-10V
$20.61
N4DOJ24 24CH RS485 Modbus RTU Relay Module DC 12V 24V PLC IO Expansion Board DIN Rail Mount Controller for Industrial Automation Motor

N4DOJ24 24CH RS485 Modbus RTU Relay Module DC 12V 24V PLC IO Expansion Board DIN Rail Mount Controller for Industrial Automation Motor

N4DOJ24 24CH RS485 Modbus RTU Relay Module DC 12V 24V PLC IO Expansion Board DIN Rail Mount Controller for Industrial Automation Motor
$46.36

Schumann Resonator Generators
SMKYF34 4CH 0.01-500KHz High-Precision 7.83 Resonance Generator Ultra Low Frequency OLED Generator Resonator Meditation Sleep Aid Device

SMKYF34 4CH 0.01-500KHz High-Precision 7.83 Resonance Generator Ultra Low Frequency OLED Generator Resonator Meditation Sleep Aid Device

SMKYF34 4CH 0.01-500KHz High-Precision 7.83 Resonance Generator Ultra Low Frequency OLED Generator Resonator Meditation Sleep Aid Device
$25.15
SFWSC08 8CH 250mm Schumann Resonance Generator – 25 Frequencies 7.83Hz Sleep Aid Device with 0.01-100000Hz Adjustable for Meditation Relaxation

SFWSC08 8CH 250mm Schumann Resonance Generator – 25 Frequencies 7.83Hz Sleep Aid Device with 0.01-100000Hz Adjustable for Meditation Relaxation

SFWSC08 8CH 250mm Schumann Resonance Generator – 25 Frequencies 7.83Hz Sleep Aid Device with 0.01-100000Hz Adjustable for Meditation Relaxation
$25.76
SMLDA01 0.01Hz-30kHz Adjustable Schumann Resonance Generator – 7.83Hz Ultra-Low Frequency Pulse Audio Resonator for Sleep Aid Meditation Relaxation

SMLDA01 0.01Hz-30kHz Adjustable Schumann Resonance Generator – 7.83Hz Ultra-Low Frequency Pulse Audio Resonator for Sleep Aid Meditation Relaxation

SMLDA01 0.01Hz-30kHz Adjustable Schumann Resonance Generator – 7.83Hz Ultra-Low Frequency Pulse Audio Resonator for Sleep Aid Meditation Relaxation
$22.12
SMFDB01 7.83Hz Pure Sine Wave Schumann Resonance Generator – Earth Frequency Signal Booster for Sleep Aid, Meditation & Relaxation

SMFDB01 7.83Hz Pure Sine Wave Schumann Resonance Generator – Earth Frequency Signal Booster for Sleep Aid, Meditation & Relaxation

SMFDB01 7.83Hz Pure Sine Wave Schumann Resonance Generator – Earth Frequency Signal Booster for Sleep Aid, Meditation & Relaxation
$5.45