All Products

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...

SKU: EF-EF08198

Smart home Kit is a product about smart home project base on micro:bit which is developed by ELECFREAK. We selected executed components commonly used at home as TMP36 temperature sensor, sound sensor, crash sensor, servo, motor. You can build scene like windowsill, wardrobe and fish tank, crea...

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-DFR0940

This power filter board for Raspberry Pi integrates solid capacitors, ceramic capacitors, and tantalum capacitors in a parallel hybrid filtering configuration. It filters low, mid, and high-frequency power noise from your supply, delivering cleaner power to the entire system — particularly benefi...

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-SEN0539-EN

What is voice recognition?  Voice recognition is a computer technology that recognizes and converts speech signals into editable text or operational commands through analysis. It allows people to interact with computers by speaking without using a mouse, keyboard, or other input devices. ...

SKU: SF-BOB-24474 · MPN: BOB-24474

The SparkFun Qwiic Buzzer adds simple beeps and buzzes to your projects via I2C. Make some noises to alert you when something interesting (or urgent) happens. Simply connect a Qwiic cable and load up some pre-written code to an Arduino to start making noises! The board includes an ATtiny84 with ...

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: AF-3829 · MPN: 3829

*HONK* *HONK* micro:bit comin' thru! Maybe you've played with the micropython speech module, or maybe you want to have MakeCode sound effects. Well, we couldn't let the other boards have all the audio fun! Now you can make your micro:bit BLURP and BEEP with noise:bit! Just slide noise:bit...

SKU: LB-LR0003

This sound detection and microphone module provides both analogue and digital outputs for detecting sound with a microcontroller. The analogue output (AO) delivers a real-time voltage signal proportional to sound intensity, while the digital output (DO) triggers high or low based on an adjustable...

SKU: ED-BITSOUND · MPN: BITSOUND

Reports how loud the room is as a number your code can act on. Clap, shout, sing or set a drum going and the robot answers back. A favourite for reaction games, classroom noise meters and puppets that appear to listen. It connects to a sensor port on the Hummingbird controller rather than directl...

SKU: DF-SEN0057

This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on the different frequency of I/O toggling. Loud enough to hear inside a pocket but not obtrusively loud. LilyPad is a wearable e-textile technology developed by Leah Bue...