frequency modulation

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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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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HX1838 Infrared Remote Control Receiver Module DIY Kit IR Receiver Module for Raspberry Pi Infrared Remote Control Module for DIY Electronics Projects 1 Set

$11^.89

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Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Adopts FMCW Technology @(HMMD-mmWave-Sensor)

$31^.65

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

$12^.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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ESP32-S3 LoRa Development Board, Integrates LR1121 Third-Generation RF Chip, Supports Sub-GHz/2.4GHz LoRa Wireless Communication, HF Version, 850~930MHz Frequency @(ESP32-S3-LR1121-HF)

$67^.47

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ESP32-S3 LoRa Development Board, Integrates LR1121 Third-Generation RF Chip, Supports Sub-GHz/2.4GHz LoRa Wireless Communication, LF Version, 410~510MHz Frequency @(ESP32-S3-LR1121-LF)

$67^.47

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ESP32-S3 LoRa Dev Board, Integrates LR1121 Third-Generation RF Chip, Supports Sub-GHz/2.4GHz LoRa Wireless Communication, 850~930MHz Frequency, + USB Type-C Adapter @(ESP32-S3-LR1121-HF-Kit)

$71^.97

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20pcs TMB12A03 3V Integrated Active Electromagnetic Buzzer 12x9.5mm High Sensitivity Low Power

$12^.99

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5Pcs PAM8302 Single Channel Audio Amplifier Module Board D 2.5W MP4 Audio Power Amplifier Board Amp MP3 PAM8302 Module

$16^.73

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Volume Discounts:$15.13 - $16.73

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5GHz22GHz Broadband Passive RF Module MDB-24H+ Double-Balanced Up/Down Mixing RF Converter with 3.5mm SMA Female Connector (MDB-24H+ with Splint SMA)

$414^.56

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Volume Discounts:$412.96 - $414.56

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for Raspberry Pi Pico SX1262 LoRa Node Module, LoRaWAN Protocol Support, Choice of Frequency Band 915M (902~930MHz) @(Pico-LoRa-SX1262-915M)

$69^.27

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HLK-LD2450 24GHz Trajectory Sensor Kit ISM Smart Home Human Movement Tracking Ra·DAR Induction Module Distance Angle Speed Measurement (5Pcs)

$89^.48

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Volume Discounts:$87.88 - $89.48

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Core1121 HF Dual-Band LoRa Module, Based on Low-Power LR1121 Transceiver, Suitable for Sub-GHz and 2.4GHz Frequency Bands, 850~930MHz Frequency, +Pre-soldered Header @(Core1121-HF-M)

$55^.47

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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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5Pcs PAM8406 5Wx2 Digital Amplifier Module Board 5W+5W Dual-Channel 2.5V-5V PAM8406 Stereo Audio Module Noise-Free Class D Power Amplifier Module with Volume Potentiometer

$16^.73

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Volume Discounts:$15.13 - $16.73

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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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HLK-LD2453 24G Multi-Target Human Motion Trajectory Radar Module Millimeter-Wave Sensor Single-Transmitter, Dual-Receiver via Serial Communication (Module Test Kit)

$44^.12

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Volume Discounts:$42.52 - $44.12

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

$16^.46

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Volume Discounts:$14.86 - $16.46

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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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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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CC2500 Data Transmission Module 2¡¤4G SPI interface RSSI output Board Built-in PA+LNA Chip Wire¡¤less Remote Control 800m (with Seat)

$17^.66

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Volume Discounts:$16.06 - $17.66

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Core1121 HF Dual-Band LoRa Module, Based on Low-Power LR1121 Transceiver, Suitable for Sub-GHz and 2.4GHz Frequency Bands, 850~930MHz Frequency @(Core1121-HF)

$52^.47

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2410C 24G Human Presence Sensor Ra¡¤DAR Module FMCW Modulation Compatible with Blue-Tooth APP (1Piece Module)

$16^.58

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Volume Discounts:$14.98 - $16.58

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1pc Sound Event Detection Module D1 - Sensor/Audio Board for XIAO

$58^.98

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30pcs 15mm Copper Plate with Aluminum Casing Piezo Disc Speaker Audio Sensor

$16^.79

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Volume Discounts:$15.19 - $16.79

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30mm Copper Plate Piezo Disc Transducer for Drum Trigger Guitar Pickup Acoustic Sensor

$16^.79

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Volume Discounts:$15.19 - $16.79

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for Raspberry Pi Pico SX1262 LoRa Node Module, LoRaWAN Protocol Support, Choice of Frequency Band 433M (410~525MHz) @(Pico-LoRa-SX1262-433M)

$69^.27

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HLK-LD2450 24GHz Trajectory Sensor ISM Smart Home Human Movement Tracking Ra·DAR Induction Module Distance Angle Speed Measurement (1Piece)

$25^.22

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Volume Discounts:$23.62 - $25.22

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HLK-LD2423 24G Multi-Target Recognition Millimeter-Wave Radar Tracking Sensor Human Trajectory Detection for Distance, Angle, and Speed (Module only)

$55^.46

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Volume Discounts:$53.86 - $55.46

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Core1121 LF Dual-Band LoRa Module, Based on Low-Power LR1121 Transceiver, Suitable for Sub-GHz and 2.4GHz Frequency Bands, 410~510MHz Frequency, +Pre-soldered Header @(Core1121-LF-M)

$55^.47

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HLK-LD2450 24GHz Trajectory Sensor ISM Smart Home Human Movement Tracking Ra·DAR Induction Module Distance Angle Speed Measurement (1Piece) (Pack of 2)

$51^.64

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Volume Discounts:$50.04 - $51.64

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