
I2S stereo DAC breakout based on the PCM5102, with line-level 3.5 mm and pad outputs, 112 dB signal-to-noise ratio, 3.3 to 5 V power input, and 3.3 V logic data lines.
Analog · I2S · PWM · 3.3 – 5 V · Bare
Adafruit product 1536 is a breadboard-friendly active buzzer: apply 3–5 V DC and it produces a loud fixed tone around 2 kHz; the frequenc…
A 5 V active buzzer and a 4 Ω speaker both make sound, but they need completely different drive circuits.
Adafruit Electret Microphone Amplifier with Adjustable Gain visual preview
LM386 Sound Sensor, Sound Detector, Compatible with Arduino visual previewChoose between a microphone preamp for analog audio sampling and a sound detector module for threshold/noise sensing.
Audio · Microphones · 2 parts
SparkFun Qwiic Pro Micro BoogieBoard visual preview
9V to Barrel Jack Adapter visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter | Kiwi Electronics visual previewSort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.
Connectors & cables · Connectors · 25 parts
RGB backlight positive LCD 16x2 visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewCharacter LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 33 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 29 parts
Active 3–5 V fixed-tone buzzer for simple alert beeps. Not suitable for audio playback or variable-pitch output.