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DC Boost Converter, 500W DC-DC Step UP Power Supply for Amplifier, 11V-27V to 11V-50V Adjustable Voltage Transformer 1.Description: ZK-PW500 is a DC-DC 500W Amplifier Dedicated Boost Power Supply Module. It can provide stable voltage and current for audio amplifier devices, avoiding insufficient power or sound distortion.It also can be used as ordina... $25.19
~~$35.99~~ SKU: GY21253-1
$25.19
~~$35.99~~
30

DC-DC 400W 8A Adjustable Automatic Buck Power Supply Module, CCCV Step Down Solar Charging Module Voltage Buck Converter 1.Description: XY-5008E is a DC-DC 400W 8A CVCC Adjustable Automatic Buck Power Supply Module with a new generation of larger LCD display screen. It is a non-isolated converter which supports solar charging. It can convert D... $16.79
~~$23.99~~ SKU: GY21252-1
$16.79
~~$23.99~~
30

DC-DC 250W 5A Adjustable Automatic Buck Power Supply Module, CCCV Step Down Solar Charging Module Voltage Buck Converter 1.Description: XY-5005E is a DC-DC 250W 5A CVCC Adjustable Automatic Buck Power Supply Module with a new generation of larger LCD display screen. It is a non-isolated converter which supports solar charging. It can c... $15.39
~~$21.99~~ SKU: GY21251-1
$15.39
~~$21.99~~
30

DC 12V 18V TDA7388 Digital Amplifier Module Stereo 50W+50W 4ohm 4-Channel Power Amplifier 1.Description: It is a DC 12V 18V TDA7388 Digital Amplifier Module Stereo 50Wx4 4ohm 4-Channel Power Amplifier. 2.Feature: 1>.Support short circuit protection 2>.Support overvoltage protection ... $12.74
~~$16.99~~ SKU: GY20882-1
$12.74
~~$16.99~~
25

RS485 Temperature Humidity Sensor Transmitter, SHT40 Metal Waterproof Probe, -40C to 120C 0-100%RH Modbus-RTU Real-Time Monitor 1.Description: XY-MD04 is a temperature humidity sensor probe made of metal material with built-in SHT40 sensor. By using the RS485 interface and MODBUS communication protocol, the measured temperature and parameter values... $8.24
~~$10.99~~ SKU: GY21250-1
$8.24
~~$10.99~~
26

RS485 Temperature Humidity Sensor Transmitter, SHT40 PE Waterproof Probe, -40C to 80C 0-100%RH Modbus-RTU Real-Time Monitor 1.Description: XY-MD03 is a temperature humidity sensor probe made of PE material with built-in SHT40 sensor. By using the RS485 interface and MODBUS communication protocol, the measured temperature and parameter values are read throug... $6.26
~~$8.35~~ SKU: GY21249-1
$6.26
~~$8.35~~
25

Arithmetic Calculator DIY Kit, LCD1062 Display Color Ring Resistance Calculator, Multi-Functional Calculator Electronic Soldering Kit 1.Introduction: CAI-150 is Multi-functional Calculator Electronic Soldering DIY Kit. It is powered by two CR2032 button batteries, integrates five different computing functions, and uses a traditional LCD1602 display screen to d... $11.89
~~$16.99~~ SKU: GY21239-1
$11.89
~~$16.99~~
30

100W+100W HIFI Bluetooth-compatiable Amplifier Module, TPA3116D2 Treble Bass Stereo Amplifier, AUX/U-disk Audio APP Controller 1.Description: XY-T100H is a DC 12V 24V 100W+100W HIFI Bluetooth 2.0 Amplifier Audio Module with Stereo Treble Bass, perfect for DIY wireless Bluetooth speakers and transponders. This module c... $17.24
~~$22.99~~ SKU: GY21212-1
$17.24
~~$22.99~~
25

L9110S 4-Channel DC Motor Drive Module 1.Description: 1>.The motor driver module itself is equipped with a built-in L9110S chip that can drive 4 DC motors or 2 4-wire 2-phase stepper motors simultaneously. 2>.The module operates with a power supply vol... $2.99
~~$3.99~~ SKU: GY21053-1
$2.99
~~$3.99~~
25

3PCS Five-Pointed Star Breathing Light DIY Kit, SMD 0805 Soldering Practice Kit 1.Introduction: PBL-20S is a Five-Pointed Star Breathing Light DIY Kit. It is a simple breathing light and Its brightness automatically fades. 2.Feature: 1>.20pcs highlight LED &n... $6.99
~~$9.99~~ SKU: GY18740
$6.99
~~$9.99~~
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Coulometer Lead-acid Battery Voltage Monitor, Battery Capacity Monitor, 30A Charge/Discharge Controller 6V-60V LCD Display 1.Description: ZK-J30 is a high-precision current acquisition type battery meter, also known as a coulomb meter with 30A relay switch control output. It can display the real-time capacity and charging/discharging time of the battery in... $11.19
~~$15.99~~ SKU: GY21224-1
$11.19
~~$15.99~~
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32GB Memory Card Tips: The actual usage capacity of the 32GB memory card is about 29.1GB, because the computer uses binary system and the manufacturer uses decimal system when producing it. The computer is 1MB=1024KB, the manufacturer is 1MB=... $3.91
~~$5.59~~ SKU: GY21220-1
$3.91
~~$5.59~~
30

WIFI High Temperature Controller APP Remote Control K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04-W is a wireless WIFI K-type digital high temperature controller module with APP Sinilink control. It can be widely used at smart home,Industrial control, Automatic irrigation, Indoor ventilation. Protection equip... $14.24
~~$18.99~~ SKU: GY21223-1
$14.24
~~$18.99~~
25

High Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04 is a K-type digital high temperature controller module. It can be widely used at smart home, Industrial control, Automatic irrigation, Indoor ventilation. XY-WT04 high temperature control module has high pre... $9.38
~~$12.50~~ SKU: GY21222-1
$9.38
~~$12.50~~
25

DC 12V 24V 30W TWS Bluetooth-compatiable Amplifier Audio Module Mono AUX/U-disk Music Player 1.Description: ZK-301B is a DC 12V 24V 30W TWS Bluetooth Amplifier Audio Module, perfect for DIY wireless Bluetooth speakers and transponders. It can receive Bluetooth music, as well as AUX/USB audio input. It also features a unique TW... $7.49
~~$9.99~~ SKU: GY21171-1
$7.49
~~$9.99~~
26

50W+50W+100W Subwoofer Bluetooth-Compatiable Amplifier Module 2.1Channel Treble Bass AUX/U-disk Audio APP Controller 1.Description: XY-S100H is a DC 12V 24V 50W+50W+100W HIFI Bluetooth 2.1 Amplifier Audio Module with Stereo Treble Bass Subwoofer, perfect for DIY wireless Bluetooth speakers and transponders. This module can receive Bluetooth music, as... $25.49
~~$33.99~~ SKU: GY21211-1
$25.49
~~$33.99~~
26

3D Mini PCB Christmas Tree with Music DIY Kit, SMD Component Soldering Kit 1.Introduction: It is a mini Christmas tree DIY kit. Three different PCB are combined into a 3D stereo Christmas tree model.. It can be powered by a button battery and can be free from the power supply. Built-in 7 LED gradient modes an... $4.89
~~$6.99~~ SKU: GY21210-1
$4.89
~~$6.99~~
31

Voltage Buck Converter, DC-DC 1200W Step Down Power Supply Adapter, 6V-70V to 0-60V 0-20A CVCC Adjustable Voltage Converter LCD Display Fan Remote Control 1.Description: XY-6020 is a DC-DC 20A 1200W High Power CVCC Adjustable Automatic Buck Power Supply adapter with a 1.8inch LCD display screen and remote controller. It is a non-isolated converter which supports solar charging. It can co... $53.19
~~$75.99~~ SKU: GY21209-1
$53.19
~~$75.99~~
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DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC 1.Description: The Optocoupler Isolator for PLC is an expansion board used to increase the number of control objects to meet the control requirements of the system. In MODBUS mode, a maximum of 64 devices can be connected in para... $21.99 SKU: GY21188-1
$21.99

DIY Kit FM Radio with Rechargeable 18650 Lithium Battery, 5W Adjustable 76-108MHz Wireless Receiver, FM Radio Kits for School Soldering Projects 1.Introduction: It is an 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit with Rechargeable 18650 Lithium Battery. It has a built-in high-definition display LCD display screen which can clearly display the receiving frequency and it... $23.09
~~$32.99~~ SKU: GY21121-1
$23.09
~~$32.99~~
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