D.YU.K.B Goods: Computer Hardware And Software, Operational Amplifiers and Power Supplies at AliExpress - Page #5

VU Meter Driver Board for TA7318P Power Amplifier DB Audio Level Meter preamp

Price: $5.01

Old Price: $5.57

DYKBmetered VU Meter Driver Board for TA7318P Power Amplifier DB Audio Level Meter preampSpare Parts For Video Games

Optical Fingerprint Reader Sensor Collector Module for UNO R3 51 stm32 Door lock, safe, POS machine, attendance machine

Price: $14.37

DYKBmetered Optical Fingerprint Reader Sensor Collector Module for UNO R3 51 stm32 Door lock, safe, POS machine, attendance machineSpare Parts For Video Games

1M-1000 MHz 2W RF Power Amplifier AMP FOR HF FM VHF UHF FM Transmitter Broadband RF Ham Radio

Price: $22.14

DYKBmetered 1M-1000 MHz 2W RF Power Amplifier AMP FOR HF FM VHF UHF FM Transmitter Broadband RF Ham RadioSpare Parts For Video Games

3in1 USB-232-485 USB TO RS485 / USB TO RS232 / 232 TO 485 converter adapter ch340 W/ LED Indicator for WIN7,XP,Linux PLC

Price: $8.85

Old Price: $9.83

DYKBmetered 3in1 USB-232-485 USB TO RS485 / USB TO RS232 / 232 TO 485 converter adapter ch340 W/ LED Indicator for WIN7,XP,Linux PLCSpare Parts For Video Games

8W 433MHz RF Power Amplifier 400MH-460MHz High Frequency Power Amplifier FOR Digital transmission SMA-k

Price: $20.23

DYKBmetered 8W 433MHz RF Power Amplifier 400MH-460MHz High Frequency Power Amplifier FOR Digital transmission SMA-kSpare Parts For Video Games

100A 9-80V Ideal Diode Ideality Controller High Current Solar panel Charging backwash protection battery charge Module F eBike

Price: $29.54

DYKBmetered 100A 9-80V Ideal Diode Ideality Controller High Current Solar panel Charging backwash protection battery charge Module F eBikeSpare Parts For Video Games

DC 20V +/- 100A Digital Amp Volt Combo METER Charge Discharge Battery Monitor Current Voltage + 100A 75MV shunt

Price: $18.54

DYKBmetered DC 20V +/- 100A Digital Amp Volt Combo METER Charge Discharge Battery Monitor Current Voltage + 100A 75MV shuntSpare Parts For Chargers

20W Bluetooth 5.0 2.1 Channel 3D Stereo Amplifier Audio Digital Subwoofer Amplifier Class D AMP Board

Price: $6.49

DYKBmetered 20W Bluetooth 5.0 2.1 Channel 3D Stereo Amplifier Audio Digital Subwoofer Amplifier Class D AMP BoardSpare Parts For Video Games

400W 15A DC-DC Boost Converter Constant Current Power Supply 12V 15V 19V 24V 36V 48V LED Driver Voltage battery charging Module

Price: $7.69

Old Price: $8.53

DYKBmetered 400W 15A DC-DC Boost Converter Constant Current Power Supply 12V 15V 19V 24V 36V 48V LED Driver Voltage battery charging ModuleSpare Parts For Video Games

4S 5S 100A 12.8V 16V PCM BMS battery protection board w/ Balance for LiFePo4 Lithium iron phosphate battery 3.2V

Price: $9.69

Old Price: $10.77

DYKBmetered 4S 5S 100A 12.8V 16V PCM BMS battery protection board w/ Balance for LiFePo4 Lithium iron phosphate battery 3.2V

TPA3118D2 30W+30W Bluetooth 5.0 Audio Receiver POWER Amplifier Board Stereo wireless audio AMP AUX FOR 12V 24V CAR

Price: $12.18

Old Price: $13.53

DYKBmetered TPA3118D2 30W+30W Bluetooth 5.0 Audio Receiver POWER Amplifier Board Stereo wireless audio AMP AUX FOR 12V 24V CARSpare Parts For Video Games

SPF5189 LNA 50-4000MHz RF Low Noise Amplifier NF=0.6dB FM HF VHF / UHF Ham Radio Amplifier Gain 22DB 1.9GHz

Price: $13.74

DYKBmetered SPF5189 LNA 50-4000MHz RF Low Noise Amplifier NF=0.6dB FM HF VHF / UHF Ham Radio Amplifier Gain 22DB 1.9GHzSpare Parts For Video Games

DC 12V 10KHz-1GHz 10dBm RF Low Noise power Amplifier LNA Module for HF VHF UHF fm Ham Radio

Price: $6.16

Old Price: $6.84

DYKBmetered DC 12V 10KHz-1GHz 10dBm RF Low Noise power Amplifier LNA Module for HF VHF UHF fm Ham RadioSpare Parts For Video Games

10M-8000Mhz 8GHz LNA Broadband Gain 12dB RF Amplifier Low Noise ERA-1 Module FOR FM HF VHF / UHF Ham Radio AmplifierS

Price: $8.78

Old Price: $9.77

DYKBmetered 10M-8000Mhz 8GHz LNA Broadband Gain 12dB RF Amplifier Low Noise ERA-1 Module FOR FM HF VHF / UHF Ham Radio AmplifierSSpare Parts For Video Games

FM Radio Receiver Module 70-108Mhz MCU DSP Stereo Power Down Memory Frequency Volume 3.7V POWER 3.5mm Audio Out

Price: $5.97

DYKBmetered FM Radio Receiver Module 70-108Mhz MCU DSP Stereo Power Down Memory Frequency Volume 3.7V POWER 3.5mm Audio OutSpare Parts For Video Games

0.36" LED Display Digital Speedometer Tachometer 60-9999 RPM DC 12V 24V Tacho Gauge Tester Speed Monitor meter for car Engine

Price: $5.6

Old Price: $6.22

DYKBmetered 0.36" LED Display Digital Speedometer Tachometer 60-9999 RPM DC 12V 24V Tacho Gauge Tester Speed Monitor meter for car EngineSpare Parts For Chargers

Laser Diode LD driver board with TTL modulation current 1A - 2A 12V voltage current adjustable 405nm 445nm 450nm

Price: $10.96

DYKBmetered Laser Diode LD driver board with TTL modulation current 1A - 2A 12V voltage current adjustable 405nm 445nm 450nmBatteries

ESP8266 WiFi KILLER Wifi jammer Wireless network KILLER development board CP2102 automatic power off 4Pflash ESP12 module

Price: $22.35

Old Price: $24.83

DYKBmetered ESP8266 WiFi KILLER Wifi jammer Wireless network KILLER development board CP2102 automatic power off 4Pflash ESP12 moduleSpare Parts For Video Games

14S-24S 1A/2A Active balance protection board 100A 150A 200A Smart Bluetooth APP BMS Lifepo4 li-ion lithium Battery 16S 20S

Price: $82.84

Old Price: $92.04

DYKBmetered 14S-24S 1A/2A Active balance protection board 100A 150A 200A Smart Bluetooth APP BMS Lifepo4 li-ion lithium Battery 16S 20SSpare Parts For Chargers

LED music spectrum screen display W/ CLOCK MP3 CAR power amplifier Audio Level Indicator rhythm VU METER sound control module

Price: $42.04

DYKBmetered LED music spectrum screen display W/ CLOCK MP3 CAR power amplifier Audio Level Indicator rhythm VU METER sound control moduleBatteries

Aviation band DSP AM SW AIR FM receiver module Digital tuning stereo radio Aircraft tower call 64-108MHZ 118-138MHZ + Remote

Price: $18.64

DYKBmetered Aviation band DSP AM SW AIR FM receiver module Digital tuning stereo radio Aircraft tower call 64-108MHZ 118-138MHZ + RemoteSpare Parts For Video Games

LT8705 250W MPPT solar Controller CC-CV charging DC-DC buck boost 6-80V TO 1.3-80V 12V 24V Lithium / LiFePO4/ Battery charger

Price: $47.01

DYKBmetered LT8705 250W MPPT solar Controller CC-CV charging DC-DC buck boost 6-80V TO 1.3-80V 12V 24V Lithium / LiFePO4/ Battery chargerSpare Parts For Chargers

DC-DC 12V 24V 36V 48V 72V to 5V 1A USB Step Down Isolated Module Power Supply Buck Converter voltage Regulated F Car battery

Price: $2.89

Old Price: $3.21

DYKBmetered DC-DC 12V 24V 36V 48V 72V to 5V 1A USB Step Down Isolated Module Power Supply Buck Converter voltage Regulated F Car batterySpare Parts For Chargers

Bluetooth 5.0 Digital POWER Amplifier Stereo Audio Receiver board module 100W+100W DC 12v 24v USB AUX Adjustable volume CAR

Price: $16.19

Old Price: $17.98

DYKBmetered Bluetooth 5.0 Digital POWER Amplifier Stereo Audio Receiver board module 100W+100W DC 12v 24v USB AUX Adjustable volume CAROperational Amplifiers

50KHz-200MHz Malachite SDR Radio Malahit DSP 3.5 Inch Touch Screen SDR HAM Transceiver Receiver Shortwave radio AM SSB NFM WFM

Price: $75.62

DYKBmetered 50KHz-200MHz Malachite SDR Radio Malahit DSP 3.5 Inch Touch Screen SDR HAM Transceiver Receiver Shortwave radio AM SSB NFM WFMSpare Parts For Video Games China

100pcs 18650 Battery Wrap Sleeve Heat Shrink Shrinkable Tube Insulated Multicolor Battery Skin PVC FilmTape Protector Cover Pipe

Price: $2.6

DYKBmetered 100pcs 18650 Battery Wrap Sleeve Heat Shrink Shrinkable Tube Insulated Multicolor Battery Skin PVC FilmTape Protector Cover PipeSpare Parts For Chargers

Bluetooth 5.0 power amplifier board 5W+5W AMP MP3 WAV FLAC WMA APE audio decoder USB charger Touch button

Price: $10

DYKBmetered Bluetooth 5.0 power amplifier board 5W+5W AMP MP3 WAV FLAC WMA APE audio decoder USB charger Touch buttonSound Amplifiers

2.4G 5.2G 5.8G WiFi swept jammer Shielder 2.4Ghz 5G 5.8Ghz WIFI signal Shielded Bluetooth interference F/ RF amplifie antenna

Price: $5.39

Old Price: $5.99

DYKBmetered 2.4G 5.2G 5.8G WiFi swept jammer Shielder 2.4Ghz 5G 5.8Ghz WIFI signal Shielded Bluetooth interference F/ RF amplifie antennaSpare Parts For Video Games

MAX2870 23.5MHz~6GHz RF signal source PLL Signal generator frequency sweep Digital LCD display USB POWER

Price: $47.72

Old Price: $53.02

DYKBmetered MAX2870 23.5MHz~6GHz RF signal source PLL Signal generator frequency sweep Digital LCD display USB POWERSpare Parts For Video Games China

890-915MHz GSM900 902MHz Dedicated SAW Bandpass Filter, 25MHz Bandwidth, SMA Interface for Ham Radio Amplifiers

Price: $24.98

DYKBmetered 890-915MHz GSM900 902MHz Dedicated SAW Bandpass Filter, 25MHz Bandwidth, SMA Interface for Ham Radio AmplifiersBatteries

CM6631A Digital Interface Module DAC Board USB to IIS SPDIF Output sampling 24Bit 24Bit 192K 384K ASIO

Price: $27.76

DYKBmetered CM6631A Digital Interface Module DAC Board USB to IIS SPDIF Output sampling 24Bit 24Bit 192K 384K ASIOSpare Parts For Chargers

3S 4S 5S 100A 12.6V 16.8V 21V Li-ion LiPo Polymer Battery BMS PCB CELL 3.7V 3.6V 3 4 5 CELL

Price: $9.49

DYKBmetered 3S 4S 5S 100A 12.6V 16.8V 21V Li-ion LiPo Polymer Battery BMS PCB CELL 3.7V 3.6V 3 4 5 CELLSpare Parts For Video Games China

0.56”LED Display Digital Motor Tachometer Speed Measure Meter panel 10-9999RPM for 12v 24v car

Price: $6.04

Old Price: $6.71

DYKBmetered 0.56”LED Display Digital Motor Tachometer Speed Measure Meter panel 10-9999RPM for 12v 24v carBatteries

MAX2870 23.5MHz to 6000MHz RF signal source PLL Signal generator frequency sweep touch screen LCD display PC software control

Price: $61.21

Old Price: $68.01

DYKBmetered MAX2870 23.5MHz to 6000MHz RF signal source PLL Signal generator frequency sweep touch screen LCD display PC software controlSpare Parts For Video Games

DC 12V 5V Normally closed Opened Type Trigger Delay Relay Delay Circuit Module

Price: $2.29

DYKBmetered DC 12V 5V Normally closed Opened Type Trigger Delay Relay Delay Circuit ModuleBatteries

DSP AM SW FM radio receiver board module LED Digital tuning Shortwave full band FM stereo radio + Remote control

Price: $18.67

DYKBmetered DSP AM SW FM radio receiver board module LED Digital tuning Shortwave full band FM stereo radio + Remote controlSpare Parts For Video Games

16S 17S 48V 60V Lifepo4 3.2V Li-ion Lipo 3.7V Lithium Battery Protection Board BMS High current 60A 80A 100A 120A W balance LED

Price: $42.59

DYKBmetered 16S 17S 48V 60V Lifepo4 3.2V Li-ion Lipo 3.7V Lithium Battery Protection Board BMS High current 60A 80A 100A 120A W balance LEDBatteries

17S 18S 19S 20S 21S Active Equalizer Balancer Lifepo4 Lithium Li-Ion Battery Energy Transfer BMS balance Board 60V 72V 3.2V 3.7

Price: $69.5

DYKBmetered 17S 18S 19S 20S 21S Active Equalizer Balancer Lifepo4 Lithium Li-Ion Battery Energy Transfer BMS balance Board 60V 72V 3.2V 3.7Batteries

2S 3S 4S Lithium battery active balance board Energy transfer board 1.3A current Li-ion Lipo Lifepo4 BMS 3.2V 3.7V 2 3 4 strings

Price: $3.41

Old Price: $3.79

DYKBmetered 2S 3S 4S Lithium battery active balance board Energy transfer board 1.3A current Li-ion Lipo Lifepo4 BMS 3.2V 3.7V 2 3 4 stringsSpare Parts For Chargers

9.99A 60W 1-30V Constant current electronic load capacity battery tester meter 12V 24V Fan control Discharge voltage current

Price: $41

DYKBmetered 9.99A 60W 1-30V Constant current electronic load capacity battery tester meter 12V 24V Fan control Discharge voltage currentSpare Parts For Chargers China

LMD18200T DC motor driver board Board PWM Adjustable Speed 3A 75W forward/ reverse FOR robot control digital control step

Price: $10.42

DYKBmetered LMD18200T DC motor driver board Board PWM Adjustable Speed 3A 75W forward/ reverse FOR robot control digital control stepSpare Parts For Chargers

USB Type-C to HDMI DP VGA miniDP RJ45 Converter Adapter PLUG Projection 4K 60Hz HD video transmission for Mac PC Laptop Phone TV

Price: $6.83

Old Price: $7.59

DYKBmetered USB Type-C to HDMI DP VGA miniDP RJ45 Converter Adapter PLUG Projection 4K 60Hz HD video transmission for Mac PC Laptop Phone TVSpare Parts For Video Games

Type-C USB 5V 2A 1S Single string lithium battery charge discharge module Charging Protection Board Boost Converter POWER

Price: $2.42

DYKBmetered Type-C USB 5V 2A 1S Single string lithium battery charge discharge module Charging Protection Board Boost Converter POWERSpare Parts For Chargers

8 Cores Sterling Silver type-C to 2.5mm 4.4mm 3.5mm cable Android Adapter HIF ES9280c Pro decoding DAC headphone amplifier line

Price: $54

Old Price: $60

DYKBmetered 8 Cores Sterling Silver type-C to 2.5mm 4.4mm 3.5mm cable Android Adapter HIF ES9280c Pro decoding DAC headphone amplifier lineSound Amplifiers

BQ24650 10A MPPT Solar Controller 12V 12.6V 3S 4S Li-ion LifePo4 lithium Battery Charging Board Cell FOR 18v Solar charger

Price: $16.07

Old Price: $17.87

DYKBmetered BQ24650 10A MPPT Solar Controller 12V 12.6V 3S 4S Li-ion LifePo4 lithium Battery Charging Board Cell FOR 18v Solar chargerSpare Parts For Chargers

Dual pointer VU Meter Panel DB Level Header Stereo Audio Power Amplifier Level Indicator Table Preamp LED backlight w Driver

Price: $31

DYKBmetered Dual pointer VU Meter Panel DB Level Header Stereo Audio Power Amplifier Level Indicator Table Preamp LED backlight w DriverSound Amplifiers

20W+20W Bluetooth 5.0 Stereo Digital Power Amplifier Board AMP Adjustable volume DC 12V 24V AUX USB Smart PHONE APP Control

Price: $7.74

Old Price: $8.6

DYKBmetered 20W+20W Bluetooth 5.0 Stereo Digital Power Amplifier Board AMP Adjustable volume DC 12V 24V AUX USB Smart PHONE APP ControlSound Amplifiers

Stereo Music Spectrum LED light Audio Level Indicator DC 12V 24V power Amplifier VU Meter for Car player Light Atmosphere Lamps

Price: $6.35

Old Price: $7.06

DYKBmetered Stereo Music Spectrum LED light Audio Level Indicator DC 12V 24V power Amplifier VU Meter for Car player Light Atmosphere LampsSound Amplifiers

Typec lightning TO 3.5MM 2.5MM Balanced portable decoding amp DAC amplifier Headphone audio adapter CABLE FOR Android iPhone

Price: $59.42

Old Price: $66.02

DYKBmetered Typec lightning TO 3.5MM 2.5MM Balanced portable decoding amp DAC amplifier Headphone audio adapter CABLE FOR Android iPhoneSound Amplifiers

Low pass filter LC LPF DC 100K 200K 500K 1M 2M 2.5M 5M 10M 20M 30M 40M 50M 100M 500M 1Ghz BNC interface

Price: $18.89

Old Price: $21

DYKBmetered Low pass filter LC LPF DC 100K 200K 500K 1M 2M 2.5M 5M 10M 20M 30M 40M 50M 100M 500M 1Ghz BNC interfaceSpare Parts For Chargers

VFD Clock WIFI Timing CLOCK Digital LED Time Display Date / week Dual Screen Creative Home Desktop Clock DS3231 chip

Price: $31.15

Old Price: $34.61

DYKBmetered VFD Clock WIFI Timing CLOCK Digital LED Time Display Date / week Dual Screen Creative Home Desktop Clock DS3231 chipSound Amplifiers China

RS485 Serial Port Meter LED Digital Tube Display RS232 TTL Display Module PLC Communication MODBUS RTU ASCII DC 5V 12V 24V

Price: $13.61

DYKBmetered RS485 Serial Port Meter LED Digital Tube Display RS232 TTL Display Module PLC Communication MODBUS RTU ASCII DC 5V 12V 24VSpare Parts For Chargers

5S 18V 21V 18A 18650 Li-ion Lithium Battery Protection Board BMS for electric screwdriver power tool

Price: $4.87

Old Price: $5.41

DYKBmetered 5S 18V 21V 18A 18650 Li-ion Lithium Battery Protection Board BMS for electric screwdriver power toolSpare Parts For Chargers

Raspberry Pi HDMI Capture HDMI to CSI2 CSI-2 HDMI to CSI board for PRI 4B 3B+ 3B ZERO TC358743XBG

Price: $36

DYKBmetered Raspberry Pi HDMI Capture HDMI to CSI2 CSI-2 HDMI to CSI board for PRI 4B 3B+ 3B ZERO TC358743XBGSpare Parts For Video Games

MP3 decoder board w/ power amplifier Audio SD card/ USB music player Digital LED display FM radio module + IR Remote CAR

Price: $4.04

DYKBmetered MP3 decoder board w/ power amplifier Audio SD card/ USB music player Digital LED display FM radio module + IR Remote CARSpare Parts For Video Games

XL6003 3.7V Li-ion 18650 Lithium Battery Step up Boost Constant Current LED Driver Boost Board

Price: $2.39

DYKBmetered XL6003 3.7V Li-ion 18650 Lithium Battery Step up Boost Constant Current LED Driver Boost BoardSpare Parts For Video Games

8A lithium/ lead acid battery charging module constant current UPS power 12v 24v

Price: $21.93

Old Price: $24.37

DYKBmetered 8A lithium/ lead acid battery charging module constant current UPS power 12v 24vSpare Parts For Video Games

SI4732 All Band Radio FM AM (MW SW) and SSB (LSB USB) FOR Ham Radio Amplifier receiverlithium battery Speaker Digital Display

Price: $65.98

DYKBmetered SI4732 All Band Radio FM AM (MW SW) and SSB (LSB USB) FOR Ham Radio Amplifier receiverlithium battery Speaker Digital DisplaySpare Parts For Video Games

2X12 segment LED display Music Audio Spectrum indicator Stereo Dual channel Volume Level Indicator for VU Meter mp3 amplifier

Price: $17.01

DYKBmetered 2X12 segment LED display Music Audio Spectrum indicator Stereo Dual channel Volume Level Indicator for VU Meter mp3 amplifierSpare Parts For Video Games

SBB5089 + SE5004 5GHZ - 5.8Ghz 2W High Linear RF power amplifier transmission signal FOR 5.2G 5.8G wifi Jammer Ham Radio AMP

Price: $19.02

DYKBmetered SBB5089 + SE5004 5GHZ - 5.8Ghz 2W High Linear RF power amplifier transmission signal FOR 5.2G 5.8G wifi Jammer Ham Radio AMP