ElecDemo Goods: Raspberry Pi, Sound Amplifiers and Audio Dac at AliExpress

Price: $10.03

ElecDemo Current to voltage module signal conversion conditioning IU conversion 0/4-20mA to 0-5V transmitterRaspberry Pi

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Finished product of Zhengsanken SanKen 1494/3858 2.0 channel stereo high power amplifier board

Price: $51.99

Old Price: $57.77

ElecDemo Finished product of Zhengsanken SanKen 1494/3858 2.0 channel stereo high power amplifier boardRaspberry Pi China

ElecDemo Official Store

Price: $21.68

ElecDemo 1500W 30A High Power DC-DC Constant Voltage Constant Current Boost Power Module 12V / 24V / 48V to 48V / 60V / 72VRaspberry Pi China

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Price: $29.09

ElecDemo AD588 power module voltage reference 5V 10V DAC reference meter correction 220V power supplyRaspberry Pi China

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Price: $7.77

ElecDemo Integrated ultrasonic ranging module waterproof ultrasonic sensor module of reversing radarRaspberry Pi

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GC version LM1875 Lower distortion and more audible version Amplifier board Finished board

Price: $22.41

Old Price: $24.9

ElecDemo GC version LM1875 Lower distortion and more audible version Amplifier board Finished boardRaspberry Pi

ElecDemo Official Store

Price: $0.46

ElecDemo Bluetooth MP3 audio receiving module lossless car speaker power amplifier refit Bluetooth 4.1 circuit boardRaspberry Pi China

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Price: $3.17

ElecDemo XH-A232 high-definition digital audio power amplifier board mp3 amplification module 12V24V sound reinforcement board dual channRaspberry Pi

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RF adjustable gain amplifier Broadband 0~60dB gain adjustable Amplify -65dBm small signal

Price: $46.49

Old Price: $54.7

ElecDemo RF adjustable gain amplifier Broadband 0~60dB gain adjustable Amplify -65dBm small signalRaspberry Pi

ElecDemo Official Store

Price: $1.76

ElecDemo 3.5 headphone audio adapter board to 2.54 terminal lead board power amplifier chassis wiring boardRaspberry Pi China

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Price: $22.35

ElecDemo 8-way SIGNAL NPN and PNP arbitrary mutual conversion, level conversion, wide voltage 10-28vRaspberry Pi

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JC-2 Preamplifier Class A Dual differential 2SK246/J103 FET input PER-AMP board

Price: $27.6

Old Price: $30.67

ElecDemo JC-2 Preamplifier Class A Dual differential 2SK246/J103 FET input PER-AMP boardRaspberry Pi

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TAS5630 power amplifier board, high power product board, single channel 600W, bass optional 600W, full frequency

Price: $32.1

Old Price: $35.67

ElecDemo TAS5630 power amplifier board, high power product board, single channel 600W, bass optional 600W, full frequencyRaspberry Pi

ElecDemo Official Store

Price: $11.9

ElecDemo AT35 USB tester voltage and current multimeter charger treasure mobile power capacity measurement detectorRaspberry Pi China

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Price: $4.37

ElecDemo AD-DC power supply module 24V2A switching power supply module 50W switching power supply board bare board built-inRaspberry Pi

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Price: $3.53

ElecDemo 0.36 inch four-digit DC digital display voltmeter digital meter head multimeter 0-33.00V three-wire super three and a half digitRaspberry Pi China

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2x300W TAS5630 dual channel class D digital power amplifier board HIFI high power with AD827 front stage

Price: $40.5

Old Price: $45

ElecDemo 2x300W TAS5630 dual channel class D digital power amplifier board HIFI high power with AD827 front stageRaspberry Pi

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GC version LM4766 dual channel HIFI amplifier board 40W*2

Price: $18.89

Old Price: $21

ElecDemo GC version LM4766 dual channel HIFI amplifier board 40W*2Raspberry Pi

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1pcs Double-sided sinking gold TDA7293 power amplifier board 100W + 100W 2.0

Price: $16.05

Old Price: $17.82

ElecDemo 1pcs Double-sided sinking gold TDA7293 power amplifier board 100W + 100W 2.0Raspberry Pi

ElecDemo Official Store

Price: $5.51

ElecDemo For Power Supply Module AC 110V 220V to DC 24V 6A AC-DC Switching Power Supply Board PromotionRaspberry Pi China

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FM demodulation module FSK Demodulation Module FM Receive Center Frequency 10-90MHz Loop Gain Adjustable Demodulation Output

Price: $34.11

Old Price: $37.9

ElecDemo FM demodulation module FSK Demodulation Module FM Receive Center Frequency 10-90MHz Loop Gain Adjustable Demodulation OutputRaspberry Pi

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GC version lm1875 dual core parallel power amplifier board

Price: $30.22

Old Price: $33.58

ElecDemo GC version lm1875 dual core parallel power amplifier boardSound Amplifiers

ElecDemo Official Store

Price: $8.88

ElecDemo VU Meter Driver Board for TA7318P Power Amplifier DB Audio Level Meter preampRaspberry Pi

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Price: $15.98

ElecDemo Non-contact liquid level sensor Liquid level detection module Water level sensor monitoring High precision and corrosion resistaRaspberry Pi China

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Price: $6.98

ElecDemo 0.28 inch four-digit LED DC digital display voltmeter ammeter head dual display 0-100V/3.000A high precisionRaspberry Pi

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Price: $5.92

ElecDemo Super four and a half digit multimeter! Three-wire five-digit voltmeter 0-33.000V DC/digital voltmeter headRaspberry Pi

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Price: $17.68

ElecDemo TC66 fast charge PD protocol detection deception Type-C voltage and current meter USB capacity measurement testerRaspberry Pi

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ADS1118 16-bit analog-to-digital conversion module 4-channel ADC with internal reference and temperature sensor SPI

Price: $45.51

Old Price: $53.54

ElecDemo ADS1118 16-bit analog-to-digital conversion module 4-channel ADC with internal reference and temperature sensor SPIRaspberry Pi

ElecDemo Official Store

High precision pulse square wave signal delay circuit module ps level precision program control multi-channel synchronization

Price: $34.28

Old Price: $42.85

ElecDemo High precision pulse square wave signal delay circuit module ps level precision program control multi-channel synchronizationRaspberry Pi China

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AC Dual 12V~20V Phono Amplifier NE5532 49720NA DUAL Line Sing Black Vinyl Record Player MM MC Phono Sing Board

Price: $23.71

Old Price: $26.35

ElecDemo AC Dual 12V~20V Phono Amplifier NE5532 49720NA DUAL Line Sing Black Vinyl Record Player MM MC Phono Sing BoardRaspberry Pi

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BH1750 Light sensor digital light intensity module Photosensitive light detection Photo control relay Serial port illumination

Price: $9.01

Old Price: $11.26

ElecDemo BH1750 Light sensor digital light intensity module Photosensitive light detection Photo control relay Serial port illuminationRaspberry Pi

ElecDemo Official Store

THS3001 Module high speed broadband op amp high speed current buffer non-inverting amplifier 420M bandwidth product

Price: $18.68

Old Price: $20.76

ElecDemo THS3001 Module high speed broadband op amp high speed current buffer non-inverting amplifier 420M bandwidth productRaspberry Pi

ElecDemo Official Store

Price: $1.83

ElecDemo MAX31865 Temperature Detector module Platinum Resistance Temperature Measurement Module PT100/PT1000 RTD SensorRaspberry Pi

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OPA365 Module High Performance Operational Amplifier Module 50MHz Bandwidth Zero Crossover Distortion Topology

Price: $17.5

Old Price: $19.45

ElecDemo OPA365 Module High Performance Operational Amplifier Module 50MHz Bandwidth Zero Crossover Distortion TopologyRaspberry Pi

ElecDemo Official Store

THS4001 high frequency operational amplifier module with opposite phase incident with common mode rejection ratio 100dB 100mA

Price: $14.25

Old Price: $15.83

ElecDemo THS4001 high frequency operational amplifier module with opposite phase incident with common mode rejection ratio 100dB 100mARaspberry Pi

ElecDemo Official Store

MAX44009 Photosensitive sensor Photoelectric relay module Light intensity detection Serial port computer

Price: $12.2

Old Price: $15.25

ElecDemo MAX44009 Photosensitive sensor Photoelectric relay module Light intensity detection Serial port computerRaspberry Pi

ElecDemo Official Store

PGA205 Module Digital Gain Amplifier PGA204 Instrumentation Amplifier Bias Adjustable Low Offset

Price: $29.49

Old Price: $34.7

ElecDemo PGA205 Module Digital Gain Amplifier PGA204 Instrumentation Amplifier Bias Adjustable Low OffsetRaspberry Pi China

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OPA657 Module High Speed Broadband Amplifier High Speed Low Noise FET Dual Amplifier Function demo Board

Price: $16.3

Old Price: $18.11

ElecDemo OPA657 Module High Speed Broadband Amplifier High Speed Low Noise FET Dual Amplifier Function demo BoardRaspberry Pi China

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CNC timing relay module Sound and light alarm 0~999S timing Optocoupler isolation 6~36V power supply

Price: $16.22

Old Price: $19.07

ElecDemo CNC timing relay module Sound and light alarm 0~999S timing Optocoupler isolation 6~36V power supplyRaspberry Pi

ElecDemo Official Store

LT6600 Low Pass Filter Module Differential Amplifier Low Noise Low Distortion DAC Filter Processing

Price: $29.49

Old Price: $32.77

ElecDemo LT6600 Low Pass Filter Module Differential Amplifier Low Noise Low Distortion DAC Filter ProcessingRaspberry Pi China

ElecDemo Official Store

Signal-generator AD9833 Module frequency generator DDS signal square/sine/triangle wave serial host computer control

Price: $19.41

Old Price: $24.26

ElecDemo Signal-generator AD9833 Module frequency generator DDS signal square/sine/triangle wave serial host computer controlRaspberry Pi

ElecDemo Official Store

Price: $16.14

ElecDemo AD8310 Module DC-440M Log Detector High Speed Voltage Output Logarithmic Amplifier Wide Dynamic Function demo boardRaspberry Pi

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ICL7650 Chopper-Stabilized Operational Amplifier Module 2MHz Wide Bandwidth High Gain High Slew Rate

Price: $11.85

Old Price: $13.94

ElecDemo ICL7650 Chopper-Stabilized Operational Amplifier Module 2MHz Wide Bandwidth High Gain High Slew RateRaspberry Pi

ElecDemo Official Store

AD825 Dual Single Channel Amplifier Low Distortion ±5 V to ±15 V Dual Supply High Output Voltage Amplifier

Price: $10.97

Old Price: $12.19

ElecDemo AD825 Dual Single Channel Amplifier Low Distortion ±5 V to ±15 V Dual Supply High Output Voltage AmplifierRaspberry Pi

ElecDemo Official Store

THS4271 Module High Speed Wideband Op Amps Voltage Amplifiers In-Phase Amplifier 1.4G Bandwidth Product Function demo Board

Price: $23.35

Old Price: $25.94

ElecDemo THS4271 Module High Speed Wideband Op Amps Voltage Amplifiers In-Phase Amplifier 1.4G Bandwidth Product Function demo BoardRaspberry Pi

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AD8314 Module 45dB RF Detector / Controller 100MHz-2.7GHz RF Signal Measurement Function demo board

Price: $15.5

Old Price: $19.37

ElecDemo AD8314 Module 45dB RF Detector / Controller 100MHz-2.7GHz RF Signal Measurement Function demo boardRaspberry Pi China

ElecDemo Official Store

HMC830 phase-locked loop PLL module 25M-3G with OLED onboard microcontroller RF signal source serial port

Price: $53.38

Old Price: $62.8

ElecDemo HMC830 phase-locked loop PLL module 25M-3G with OLED onboard microcontroller RF signal source serial portRaspberry Pi China

ElecDemo Official Store

OPA627 Precision Amplifier High Speed High Resistance Amplifier Single Universal Operational Amplifier High Performance Op Amp

Price: $22.5

Old Price: $25

ElecDemo OPA627 Precision Amplifier High Speed High Resistance Amplifier Single Universal Operational Amplifier High Performance Op AmpRaspberry Pi China

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INA226 High precision voltage DC current module power battery power monitoring detection motor stall demo board

Price: $17.94

Old Price: $22.43

ElecDemo INA226 High precision voltage DC current module power battery power monitoring detection motor stall demo boardRaspberry Pi

ElecDemo Official Store

Broadband peak-to-peak detection module 50KHz or less Low-frequency positive and negative peak-to-peak high-precision detection

Price: $12.35

Old Price: $15.44

ElecDemo Broadband peak-to-peak detection module 50KHz or less Low-frequency positive and negative peak-to-peak high-precision detectionRaspberry Pi

ElecDemo Official Store

Price: $20.22

ElecDemo XH-M573 TPA3116D2 80W+80W+100W 2.1 Channel TPA3116 digital Power Amplifier Board Bass Subwoofer hifi amplifiers B2-002Raspberry Pi

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TLV3702 Module Dual Nanowatt Power Comparator High Speed Comparator Low Supply Current 8us unction demo board

Price: $20.49

Old Price: $24.11

ElecDemo TLV3702 Module Dual Nanowatt Power Comparator High Speed Comparator Low Supply Current 8us unction demo boardRaspberry Pi

ElecDemo Official Store

Price: $12.22

ElecDemo 4-Channel NPN to PNP Signal Conversion Level Converter Wide Voltage 10-28V WholesaleRaspberry Pi

ElecDemo Official Store

Price: $80.98

ElecDemo ADF4351 phase-locked loop signal source frequency synthesizer with microcontroller control with cavity RF PLLRaspberry Pi

ElecDemo Official Store

Price: $9.9

ElecDemo XH-M567 Galaxy TPA3116D2 dual channel digital power amplifier board woofer adjustment board carrier amplifier dual 80WRaspberry Pi

ElecDemo Official Store

Price: $10.43

ElecDemo UM24C USB 2.0 color screen tester Android APP voltage ammeter power battery capacity meter testRaspberry Pi China

ElecDemo Official Store

Price: $27.35

ElecDemo DP50V5A CNC DC regulated power supply adjustable step-down module integrated voltmeter ammeter color screenRaspberry Pi

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Analog Integral Operational Amplifier Module Low Frequency Signal Waveform Change Can be changed to Differential Operation Circu

Price: $12.06

Old Price: $13.4

ElecDemo Analog Integral Operational Amplifier Module Low Frequency Signal Waveform Change Can be changed to Differential Operation CircuRaspberry Pi China

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1-8000MHz AD8318With cavity RF Logarithmic Detector 70dB RSSI Measurement Power Meter Board Module Standard SMA Female

Price: $37.57

Old Price: $46.96

ElecDemo 1-8000MHz AD8318With cavity RF Logarithmic Detector 70dB RSSI Measurement Power Meter Board Module Standard SMA FemaleRaspberry Pi

ElecDemo Official Store

Price: $8

ElecDemo XH-M542 Mono 100W Digital Power Amplifier Board TPA3116D2 Digital Audio Amplifier Board 12-26VRaspberry Pi China

ElecDemo Official Store