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

Price: $23.48

ElecDemo BUF634 Module High Speed Current Buffered Output Audio Power Pulse Amplifier Provides Drive Current Function demo BoardRaspberry Pi

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TDA8954TH Dual Channel High Power 2x 210W TDA8954 Stereo Digital Audio amplifier Board 4.9

Price: $31.61

Old Price: $35.11

ElecDemo TDA8954TH Dual Channel High Power 2x 210W TDA8954 Stereo Digital Audio amplifier Board 4.9Raspberry Pi

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AD8317 ModuleL ogarithmic Amplifier RF Power Detector 1M-10GHz RF Power Meter

Price: $24.49

Old Price: $30.61

ElecDemo AD8317 ModuleL ogarithmic Amplifier RF Power Detector 1M-10GHz RF Power MeterRaspberry Pi

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Price: $23.59

ElecDemo AD835 Analog Multiplier Module Signal Conditioning Phase Detection Four Quadrant Multiplier Frequency multiplier Active mixerRaspberry Pi

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Price: $16.6

ElecDemo ADF4002 Module High Frequency Phase Detector Phase Locked Loop Module Send Drive Source Program Genuine SpecialsRaspberry Pi

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Price: $20.23

ElecDemo KW_4002 frequency divider module program-controlled adjustable frequency divider circuit boardRaspberry Pi

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AD605_VGA Dual Channel Voltage module Control Adjustable Gain Amplifier Module Low Noise High Precision 5V Single Supply

Price: $23.7

Old Price: $27.88

ElecDemo AD605_VGA Dual Channel Voltage module Control Adjustable Gain Amplifier Module Low Noise High Precision 5V Single SupplyRaspberry Pi

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Negative power supply module Positive voltage to negative voltage 5V/12V output Negative voltage conversion module 20mV Low ripp

Price: $2.94

Old Price: $3.46

ElecDemo Negative power supply module Positive voltage to negative voltage 5V/12V output Negative voltage conversion module 20mV Low rippRaspberry Pi

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THS4271 Wideband Low Noise Operational Amplifier Module 1.4GHz Bandwidth Function demo Borad

Price: $12.6

Old Price: $14

ElecDemo THS4271 Wideband Low Noise Operational Amplifier Module 1.4GHz Bandwidth Function demo BoradRaspberry Pi

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OPA695 Module high speed broadband op amp high speed current buffer non-inverting amplifier 1.4G bandwidth product

Price: $18.5

Old Price: $20.56

ElecDemo OPA695 Module high speed broadband op amp high speed current buffer non-inverting amplifier 1.4G bandwidth productRaspberry Pi

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ADL5330 Module Wideband Voltage Variable Gain Amplifier Module 20dB Gain High Linear Output Power Function demo Board

Price: $28.58

Old Price: $33.61

ElecDemo ADL5330 Module Wideband Voltage Variable Gain Amplifier Module 20dB Gain High Linear Output Power Function demo BoardRaspberry Pi

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Price: $22.2

ElecDemo OPA657 Module High Speed Low Noise Wideband Op Amp FET Non-Inverting Amplifier High Speed Current Buffer Race ModuleRaspberry Pi

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Price: $24.95

ElecDemo ADF4351 Module Development Board RF Signal Source Signal Source Phase-Locked Loop PLL Supports Sweep Frequency HoppingRaspberry Pi China

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Price: $21.2

ElecDemo AD603 Tunable Gain Amplifier Module DA Input Programmable Voltage Amplifier AGC Competition ModuleRaspberry Pi China

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ICL7650 Module Weak Signal Amplification DC Signal Amplification Chopper Amplifier Dual

Price: $15.01

Old Price: $17.66

ElecDemo ICL7650 Module Weak Signal Amplification DC Signal Amplification Chopper Amplifier DualRaspberry Pi

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TPS63020 module Automatic Buck-Boost Power Module Board 2.5V 3.3V 4.2V 5V Lithium Battery Low Ripple

Price: $10.15

Old Price: $11.94

ElecDemo TPS63020 module Automatic Buck-Boost Power Module Board 2.5V 3.3V 4.2V 5V Lithium Battery Low RippleRaspberry Pi China

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PH value detection acquisition sensor module pH sensor water quality detection control serial output

Price: $21.59

Old Price: $26.99

ElecDemo PH value detection acquisition sensor module pH sensor water quality detection control serial outputRaspberry Pi China

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Price: $58.73

ElecDemo Micro Ammeter Milliampere Microampere Picoammeter mA uA nA pA Weak current Dark current PhotocurrentRaspberry Pi

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AD9851 module DDS function signal generator Send program Compatible with AD9850 module Lite

Price: $22.21

Old Price: $27.76

ElecDemo AD9851 module DDS function signal generator Send program Compatible with AD9850 module LiteRaspberry Pi

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THS3121 Module high speed broadband op amp high speed current buffer non-inverting amplifier 120M bandwidth product

Price: $24.26

Old Price: $26.96

ElecDemo THS3121 Module high speed broadband op amp high speed current buffer non-inverting amplifier 120M bandwidth productRaspberry Pi China

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AD9954 DDS module signal generator module sine wave square wave RF signal source 400m main frequency

Price: $46.02

Old Price: $57.53

ElecDemo AD9954 DDS module signal generator module sine wave square wave RF signal source 400m main frequencyRaspberry Pi

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Low noise amplifier wideband RF signal amplifier LNA (0.005-4GHz 19dB noise 0.7dB) Beidou

Price: $34.79

Old Price: $40.94

ElecDemo Low noise amplifier wideband RF signal amplifier LNA (0.005-4GHz 19dB noise 0.7dB) BeidouRaspberry Pi

ElecDemo Official Store

Price: $15.12

ElecDemo OPA2141 Module JFET Amplifier Module 10MHz Bandwidth Low Noise Low Offset Low Temperature Drift Rail Function demo BoardRaspberry Pi

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Price: $15.78

ElecDemo LM2596 module multi-channel switching power supply 3.3V/5V/12V/ADJ adjustable output DC-DC step-down power supply moduleRaspberry Pi China

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AD8367_AGC Voltage Gain Block High Performance Variable Gain Amplifier Wide Bandwidth Detector

Price: $22.14

Old Price: $26.05

ElecDemo AD8367_AGC Voltage Gain Block High Performance Variable Gain Amplifier Wide Bandwidth DetectorRaspberry Pi

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MAX9814 Microphone Amplifier Module Audio AGC Microphone Sensor Pickup MIC Microphone Sound

Price: $11.86

Old Price: $14.83

ElecDemo MAX9814 Microphone Amplifier Module Audio AGC Microphone Sensor Pickup MIC Microphone SoundRaspberry Pi

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Price: $6.27

ElecDemo Five-digit digital display DC ammeter/multimeter measuring 0-3.0000A super four-and-a-half-digit ammeterRaspberry Pi

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$OPA657 transimpedance IV -FET high-speed APD\PIN high-speed photoelectric detection conversion/TIA amplifier module$

Price: $21.6

Old Price: $24

ElecDemo OPA657 transimpedance IV -FET high-speed APD\PIN high-speed photoelectric detection conversion/TIA amplifier moduleRaspberry Pi

ElecDemo Official Store

Price: $36.4

ElecDemo MAX038 function signal generator module triangle sine wave rectangular pulse wave frequency generator Adjustable duty cycleRaspberry Pi

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Price: $67.31

ElecDemo TPS7A4701 module TPS7A3301 ultra low ripple positive and negative power uV ripple linear power supply genuine specialsRaspberry Pi

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Pulse signal generator High speed narrow pulse generation module Adjustable frequency Stepping 20ns AT control

Price: $34.43

Old Price: $43.04

ElecDemo Pulse signal generator High speed narrow pulse generation module Adjustable frequency Stepping 20ns AT controlRaspberry Pi

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AD831 Module Low Distortion High Frequency Mixer Active Upmixing Mixing Genuine Special 500MHz function demo board

Price: $16.47

Old Price: $19.38

ElecDemo AD831 Module Low Distortion High Frequency Mixer Active Upmixing Mixing Genuine Special 500MHz function demo boardRaspberry Pi

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Price: $23.28

ElecDemo DAC902E module High Speed DA Digital to Analog Conversion Module DAC902E High SFDR 12 Bit 165MSPS Low Power Adjustable RangeRaspberry Pi

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Price: $18.91

ElecDemo THS4001 Module High Speed Broadband Op Amps In-Phase Amplifier Competition Module 270M Bandwidth Product Function demo BoardRaspberry Pi

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PE43703 Module Digital RF attenuator module PE43703 Bandwidth 9K~6GHz 0.25dB step to 31.75dB Function demo Board

Price: $27.5

Old Price: $30.56

ElecDemo PE43703 Module Digital RF attenuator module PE43703 Bandwidth 9K~6GHz 0.25dB step to 31.75dB Function demo BoardRaspberry Pi

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PE43702 module digital RF attenuator module bandwidth 9K~4GHz 0.25dB step accuracy maximum gain 31.75dB

Price: $23.51

Old Price: $26.12

ElecDemo PE43702 module digital RF attenuator module bandwidth 9K~4GHz 0.25dB step accuracy maximum gain 31.75dBRaspberry Pi

ElecDemo Official Store

Price: $20

ElecDemo AD8310 Module DC-440M Logarithmic Detector 90dB Logarithmic Amplifier Voltage OutputRaspberry Pi China

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Square Wave Generator Three Channel Signal / Clock / Square Wave Generator Module 8K-100M High Precision 12 Resolution

Price: $17.94

Old Price: $22.43

ElecDemo Square Wave Generator Three Channel Signal / Clock / Square Wave Generator Module 8K-100M High Precision 12 ResolutionRaspberry Pi

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AD8367 Module Variable Gain Amplifier 500MHz Bandwidth 32dB Gain Amplification Amplifiter-board

Price: $16.5

Old Price: $19.41

ElecDemo AD8367 Module Variable Gain Amplifier 500MHz Bandwidth 32dB Gain Amplification Amplifiter-boardRaspberry Pi

ElecDemo Official Store

Price: $17.1

ElecDemo TLC2652 Module Weak Signal Acquisition Amplifier Module DC Signal Amplification Chopper Amplifier Function demo BoardRaspberry Pi China

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Price: $0.88

ElecDemo HC-SR501 Human Body Infrared Sensor Module Pyroelectric Infrared Sensor Head ArduinoRaspberry Pi

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AD606 module logarithmic detector 80dB demodulation logarithmic amplifier low power adjustable amplitude output

Price: $17.85

Old Price: $22.31

ElecDemo AD606 module logarithmic detector 80dB demodulation logarithmic amplifier low power adjustable amplitude outputRaspberry Pi

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Price: $10.86

ElecDemo Voltage amplifier DC offset amplifier module Offset adjustment amplification 10 times amplificationRaspberry Pi China

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Avalanche diode drive APD drive Photodetection APD dedicated power supply High efficiency and ultra-low ripple noise Adjustable

Price: $27.11

Old Price: $31.9

ElecDemo Avalanche diode drive APD drive Photodetection APD dedicated power supply High efficiency and ultra-low ripple noise AdjustableRaspberry Pi China

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Price: $49.75

ElecDemo ADS8688 AD 16-bit 500kSPS single/bipolar input 8-channel SAR/ADC data acquisition moduleRaspberry Pi China

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Price: $2.1

ElecDemo Color crocodile clip test lead wire power cord 5 colors random double head with cable length 50cm large and small 10Raspberry Pi

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OPA177 Module Precision Voltage Amplifier Signal Processing Forward Amplification Reverse Amplification Function demo Board

Price: $3.11

Old Price: $3.46

ElecDemo OPA177 Module Precision Voltage Amplifier Signal Processing Forward Amplification Reverse Amplification Function demo BoardRaspberry Pi

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Price: $14.36

ElecDemo PCM5102A Module Digital Audio I2S IIS Stereo DCA Decoder Board Module Digital to Analog Converter Audio boardRaspberry Pi

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WCS2702 high precision AC and DC current detection sensor module 2A current limiting protection relay serial port

Price: $1.68

Old Price: $2.1

ElecDemo WCS2702 high precision AC and DC current detection sensor module 2A current limiting protection relay serial portRaspberry Pi

ElecDemo Official Store

Price: $19.57

ElecDemo BLT53A Module RF power amplifier 433M Low voltage version 3.7v with si4463, SI4432 broadband high gain function demo boardRaspberry Pi

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OPA843 Module Wideband Low Distortion Unity Gain Stabilization Voltage Feedback Operational Amplifier Function demo Board

Price: $15.95

Old Price: $17.72

ElecDemo OPA843 Module Wideband Low Distortion Unity Gain Stabilization Voltage Feedback Operational Amplifier Function demo BoardRaspberry Pi

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THS3091 high frequency operational amplifier module 210MHz bandwidth with opposite phase amplification with 250mA

Price: $17.5

Old Price: $19.45

ElecDemo THS3091 high frequency operational amplifier module 210MHz bandwidth with opposite phase amplification with 250mARaspberry Pi China

ElecDemo Official Store

Price: $24.02

ElecDemo PE4302 Module Digital RF Attenuator Module High Attenuation Accuracy High Linearity DC-4000MHz 6-digit dialing code AttenuationRaspberry Pi China

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AD8368 module Controlled Gain Amplifier Operational Amplifier Differential Amplifier Competition Module

Price: $26.32

Old Price: $30.97

ElecDemo AD8368 module Controlled Gain Amplifier Operational Amplifier Differential Amplifier Competition ModuleRaspberry Pi

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THS3001 Module Current Operational Amplifier 420MHz Bandwidth Common Mode Rejection Ratio 70dB Current 100mA Function demo Board

Price: $17.5

Old Price: $19.45

ElecDemo THS3001 Module Current Operational Amplifier 420MHz Bandwidth Common Mode Rejection Ratio 70dB Current 100mA Function demo BoardRaspberry Pi

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THS3091 module high-speed high-frequency operational amplifier high-frequency amplifier with the opposite phase amplification

Price: $16.3

Old Price: $18.11

ElecDemo THS3091 module high-speed high-frequency operational amplifier high-frequency amplifier with the opposite phase amplificationRaspberry Pi

ElecDemo Official Store

OPA1611 Module Low Power Precision Operational Amplifier Audio Preamplifier Audio Op Amp Function demo Board

Price: $16.7

Old Price: $18.55

ElecDemo OPA1611 Module Low Power Precision Operational Amplifier Audio Preamplifier Audio Op Amp Function demo BoardRaspberry Pi

ElecDemo Official Store

Price: $20.16

ElecDemo Switching power supply module power module 24V300W switchingbare board AC-DC isolated power supply 220V to 24V12.5ARaspberry Pi China

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Price: $20.84

ElecDemo VFC110 Voltage-to-frequency module High-speed voltage-to-frequency conversion module internal 5V reference built-in 4M outputRaspberry Pi China

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Four-quadrant analog multiplier operational MPY634 amplifier module mixing frequency multiplication modulation demodulation

Price: $34.26

Old Price: $38.07

ElecDemo Four-quadrant analog multiplier operational MPY634 amplifier module mixing frequency multiplication modulation demodulationRaspberry Pi China

ElecDemo Official Store