All Products

SKU: SF-WRL-10532

The RF Link Receiver is a simple 434 MHz wireless receiver module designed for one-way data communication with a compatible 434 MHz transmitter. It fits easily into a breadboard and pairs with microcontrollers to create basic wireless data links at up to 4800 bps. As a receive-only module, it ha...

SKU: DF-SEN0327

A compact digital MEMS microphone module based on the MSM261S4030H0 chip, providing 24-bit I2S digital audio output. The built-in I2S interface connects directly to DSPs and microcontrollers without requiring an external codec, simplifying audio capture designs. An on-board SK9822 RGB LED provide...

SKU: SF-WIG-13720

Make some noise with your next project! The MP3 Trigger board is built to make MP3 sound integration easier than ever. The board has 18 external trigger pins that will directly trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides full transport control, remote trig...

SKU: SF-COM-28383 · MPN: COM-28383

Add reliable audio input to your digital signal processing projects with this electret condenser microphone and stand-off washer. It has been selected for compatibility with the popular Teensy Audio Adaptor.The included custom laser-cut washer helps with convenient flush mounting directly to the ...

SKU: SF-SEN-14544

The low current version of the SparkFun Current Sensor Breakout is a high accuracy board that utilizes the ACS723 for low to moderate AC and DC current sensing applications. The ACS723 sensor uses a Hall effect sensor to output a voltage relative to the current flowing through the IP+ and IP...

SKU: DF-SEN0135

The HRLV-MaxSonar-EZ (MB1013) is a high-resolution ultrasonic distance sensor with 1 mm resolution and a range of up to 5 metres. It features multiple output formats, internal temperature compensation, virtually no dead zone, and a calibrated beam pattern — making it an excellent all-round choice...

SKU: AF-3346

The Adafruit I2S 3W Stereo Speaker Bonnet adds high-quality digital audio output to any Raspberry Pi with a 2×20 GPIO header. Using the I2S digital sound standard, audio data goes directly to the onboard Class D amplifier — delivering crisp, static-free stereo sound without relying on the Pi's he...

SKU: DF-DFR0954

This I2S digital amplifier based on the MAX98357 I2S Class D amplifier module works great with microcontrollers with I2S audio outputs like ESP32 and can be applied to projects like IoT nodes, smart home devices, Bluetooth audio players, and so on. The module supports a 3.3V-5V power supply. And ...

SKU: DF-DFR0034

This is a new Arduino compatible Analog Sound Sensor. Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal and actuate accordingly. You may use it to make some funny interactive works such as a "clap and buzz" to find your lost keys or rem...

SKU: SF-WRL-10535

These wireless transmitters work with our 315MHz receivers. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of differe...

SKU: DF-SEN0658 · MPN: SEN0658

Bring multiple environmental measurements into one rugged field sensor for Arduino, IoT and monitoring projects. This 9-in-1 unit measures ultrasonic wind speed and direction, air temperature, relative humidity, atmospheric pressure, light intensity, noise, PM2.5 and PM10.Ultrasonic wind sensing ...

SKU: SF-BOB-19389

The SparkFun Analog MEMS Microphone Breakout makes it easy to work with the SPH8878LR5H-1 analog microphone from Knowles. This board features an OpAmp to bring the output of the microphone to a usable level, allowing you to plug directly into an ADC on a microcontroller or something like the Spar...

SKU: EF-EF08197

The ElecFreaks Smart Home Kit is a micro:bit project kit for building interactive smart home models. It includes sensors, actuators, and cardboard building materials to create miniature scenes — a windowsill, wardrobe, fish tank, and more — all programmable with MakeCode or MicroPython via the mi...

SKU: LB-LS0657

A high-fidelity DAC expansion board for Raspberry Pi that delivers superior audio quality over the Pi's built-in 3.5mm output. Built around Texas Instruments' PCM5122 DAC chip, this board connects via the I2S interface and supports up to 384kHz sampling with 112dB dynamic range — ideal for buildi...

SKU: LB-LS6842

This compact audio solution pairs the MAX98357 I2S digital amplifier with a high-quality 3W 8Ω 3070 full-range speaker, delivering clear and powerful sound from any I2S-enabled microcontroller. The MAX98357 accepts digital audio directly over I2S and handles conversion and amplification internall...

SKU: PI-COM1005

You'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with something like our Explorer HAT Pro or Explorer pHAT to read precise values from them. Total resistance: 1kΩ, 10kΩ or 100kΩ Total resistan...

SKU: DF-DFR0675-EN

This is a small size and cost-effective Bluetooth 5.0 digital amplifier module with a volume adjustment function. It can connect to two speakers and match a wide variety of high-power speakers (40W-200W). This board can be used as a small Bluetooth speaker when connected to Raspberry Pi or mob...

SKU: DF-FIT0860

This small portable USB isolator with USB2.0 compatibility provides complete isolation between devices.  Featuring a 12Mbps data transmission rate and 2500V isolation voltage, the industrial USB isolator can be used to protect the USB port of all kinds of devices without connecting exter...

SKU: SF-COM-18488

This is a tiny USB Microphone from Kinobo that plugs into your laptop, desktop, Raspberry Pi, Jetson Nano Dev kit, anything with a USB port you may be using as a computer to add microphone functionality. There is no need to install any extra software as you OS should detect the device & automa...

SKU: EF-EF08203

The Smart Science IoT Kit from ElecFreaks is a comprehensive sensor and IoT learning kit built around the IoT:bit breakout board for micro:bit. It combines environmental sensors with WiFi connectivity, allowing students to collect real-world data and send it to the cloud for analysis. With senso...