frequency modulation

76-108MHz FM Stereo Radio DIY Kit Wireless FM Transmitter Module Frequency Modulation Electronics Soldering Practice Project

$20^.67

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Core1121 HF Dual-Band LoRa Module with Antenna Based on Low-Power LoRa LR1121 Transceiver,850-930MHz Frequency,Supports LoRa, (G) FSK, and LR-FHSS Modulation Schemes

$31^.61

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Core1121 HF Dual-Band LoRa Module with Antenna with pre-soldered Header Based on Low-Power LoRa LR1121 Transceiver ,850-930MHz Frequency,Supports LoRa, (G)FSK, and LR-FHSS Modulation Schemes

$33^.44

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Volume Discounts:$31.84 - $33.44

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SX1262 LoRa HAT Covers 915MHz Frequency Band with Spread Spectrum Modulation Supports Raspberry Pi 1 2 3 4 Series Boards with UART Interface for STM32 @

$104^.07

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Piezoelectric Earphone High Impedance Ceramic Earpiece Bare Wire Leads Transistor Crystal Radios & DIY Make Electronics Projects 20,000 (20k) Ohm Sensitivity Vintage Classic Style Piezo Electric

$15^.99

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Bluetooth 4.1 MP3 audio receiving board, lossless decoding board, wireless stereo music module

$29^.65

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Rechargeable 2 in 1 Optical Power Meter -70+10dbm with Light, Fiber Test | Portable Fiber Optic Tester SC/FC/ST Universal Interface, 2.5mm universal connector, FC to LC adapter,

$39^.99

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AJMRTC TINE5532 Preamp Tone Board, DC 929V FrontEnd Amplification Tuning Board, Audio Preamplifier Module for Outdoor Speaker System Sound Adjustment and Signal Amplification Projects

$20^.32

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AJMRTC SFM380 Active Buzzer, DC12V/24V Piezoelectric Continuous Sound Alarm Speaker, Car Dedicated Electronic Beep Warning Buzzer for Vehicle, Industrial Equipment and DIY Alarm Projects

$13^.54

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CC2500 Data Transmission Module 2¡¤4G SPI interface RSSI output Board Built-in PA+LNA Chip Wire¡¤less Remote Control 800m (No Seat)

$17^.47

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Volume Discounts:$15.87 - $17.47

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Rechargeable 2 in 1 Optical Power Meter -70+10dbm with Light, Fiber Test | Portable Fiber Optic Tester SC/FC/ST Universal Interface, 2.5mm universal connector, FC to LC adapter,

$39^.99

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AJMRTC CLT Clap-Activated Sound Sensor Switch Kit, DIY Acoustic Control Module with Integrated PCB Board, Sound Trigger Switch Electronic Kit for Maker Learning and DIY Electronic Projects

$11^.79

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2410C 24G Human Presence Sensor Ra¡¤DAR Module FMCW Modulation Compatible with Blue-Tooth APP (5Pcs Module)

$55^.22

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Volume Discounts:$53.62 - $55.22

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5Pcs Voltage to Frequency Module 0-10V to 0-10KHz Signal Converter Module Board Voltage to Frequency Pulse Signal Module

$17^.13

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Wireless DMX512 Transceiver PCB Module 2.4G LED Stage Light Transceiver PCB Modules Board LED Controller Transmitter Receiver with Antenna

$18^.23

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Volume Discounts:$16.63 - $18.23

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ADF4351/ADF4350 Frequency Source PLL RF Source V2025 35Mhz-4.4GHz Frequency Generator (ADF4350 137.5M-4.4G +STM32)

$168^.86

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Volume Discounts:$167.26 - $168.86

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Carrier Frequency 38KHZ Far Infrared Communication Module, Far Infrared to TTL Module GND TXD RXD VCC Transceiver Pair Tube

$45^.04

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Volume Discounts:$43.44 - $45.04

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SX1262 LoRa HAT for Raspberry Pi Series Boards 915MHz Frequency Band,Support Data Transmission up to 5km,Wake on Radio,Wireless Config, Carrier Sensing, Communication Key

$59^.89

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1Hz-50MHz Frequency Meter Crystal Oscillator Measurement Frequency Measurement DIY Kit Replacement for Acrylic Case

$35^.08

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Ultra Low Noise Amplifier, LNA Module for RF Software Defined Radio, 0.1MHz6GHz Full Band 20dB High Gain Power Preamplifier Module for 1A (Built in Battery)

$19^.86

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Volume Discounts:$18.26 - $19.86

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10pcs 8.5x8.5mm Passive Electromagnetic Buzzer 3V High Temperature Resistance

$12^.99

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10pcs 5020 SMD Surface Mount Passive Electromagnetic Buzzer 5x5x2mm Ultra-Thin Miniature Electronic Buzzers

$12^.99

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Industrial Modbus RTU 8 Channel Relay Module 5V with RS485 Interface Build-in Power Isolation, ADI Magnetical Isolation, TVS Diode Multi Isolation Protection Circuits

$153^.82

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Volume Discounts:$152.22 - $153.82

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5V Multi-Mode Time Delay Relay Module, Adjustable Delay Timer, for Automation Home Appliances DIY Projects

$12^.99

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30pcs 41mm Piezo Buzzer Disc with Copper Plate Wired Lead Acoustic Sensor for Guitar Drum Trigger

$16^.79

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Volume Discounts:$15.19 - $16.79

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USB to LoRa Data Transfer Module Based On SX1262, 850~930MHz Frequency, Suitable

$71^.11

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10pcs 9650 5V Surface Mount Electromagnetic Buzzer 9.6x9.6x5mm High Temp Resistant

$12^.99

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30pcs 1207 Passive Piezo Buzzer 12x7mm Flat Needle Low Power Wave Solderable High Temp Resistant

$12^.99

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Signal Generator XY-KPWM 1-Channel PWM Generator 1Hz-150kHz Dual Mode PWM Pulse Frequency Square Wave Signal Generator Module LCD Display 3.3-30V 5-30mA Pulse Frequency Generator with Shell

$16^.93

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Volume Discounts:$15.33 - $16.93

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Piezo Electric Crystal Earphone Sensitive High Impedance Ceramic Ear Piece 3.5mm for Transistor Radio / Crystal Radios DIY Electronics Projects 1/8 inch Audio Jack Connector Wire Piezoelectric element

$17^.99

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ESP32-S3 LoRa Dev Board, Integrates LR1121 Third-Generation RF Chip, Supports Sub-GHz/2.4GHz LoRa Wireless Communication, 410~510MHz Frequency, + USB Type-C Adapter @(ESP32-S3-LR1121-LF-Kit)

$71^.97

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AD9834 DDS High-Speed Signal Generator Module Sine Wave Triangular Wave Signal Generator DDS Sweep Source DC-5V 75MHz

$32^.73

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UNI-T UTG2062X - Advanced-Series Arbitrary Waveform Generator (2 Channels / 60MHz)

$698^.00

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2Pcs SX1278 LoRa Ra-02 Wireless Module 433MHz Ra-02 Spread Spectrum Wireless Module Serial Port Adapter 3.3V UART Interface with Connector

$18^.23

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Volume Discounts:$16.63 - $18.23

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1.95GHz 20dB Low Noise Amplifier, 0.1MHz-6GHz Full Band RF Power Preamplifier, SMA Female RF Wideband Amplifier Broadband Module Receiver for Shortwave, FM Radio

$19^.49

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Siglent Technologies SDS1202X-E 200 mhz Digital Oscilloscope 2 Channels, Grey & SDG1032X Arbitrary Waveform - Function Generator

$1,355^.18

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