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Sound Generation and Musical Microcontrollers - Electronics with Becky Stern | DigiKey

In this video, @BeckyStern explores sound generation and musical microcontrollers. Whether you’re building a talking robot or your own DIY synthesizer, this episode will help you choose the right parts for adding audio to your projects.

In past episodes of the Electronics with Becky Stern YouTube series, Becky covered topics like addressable LEDs and microcontroller selection. This video builds on those skills but instead uses piezos, speakers, audio playback modules to craft interactive audio.

3/20/2026 7:19:08 PM

Alarms, Buzzers, and Sirens

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
BUZZER PIEZO 3V 12.2MM THPS1240P02BTBUZZER PIEZO 3V 12.2MM TH29025 - Immediate$0.57View Details
BUZZER ELECTRO 24V 32X17 FLANGEIE320425-1BUZZER ELECTRO 24V 32X17 FLANGE374 - Immediate$5.89View Details
BUZZER ELECTRO 3V FLANGIE330403-1BUZZER ELECTRO 3V FLANG51 - Immediate$5.89View Details

Audio Amplifier Evaluation Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR PAM8302A2130EVAL BOARD FOR PAM8302A324 - Immediate$3.95View Details
New at DigiKey
60W BTL audio amplifier TPA3118
2689960W BTL audio amplifier TPA311817 - Marketplace$4.99View Details
EVAL BOARD FOR MAX98357DFR0954EVAL BOARD FOR MAX9835772 - Immediate$5.25View Details

Evaluation and Demonstration Boards and Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
FX SOUND BOARD WAV/OGG2133FX SOUND BOARD WAV/OGG19 - Immediate$19.95View Details
FX SOUND BOARD 2X2W WAV/OGG 2MB2210FX SOUND BOARD 2X2W WAV/OGG 2MB21 - Immediate$24.95View Details
FX SOUND BOARD 2X2W WAV/OGG 16MB2217FX SOUND BOARD 2X2W WAV/OGG 16MB28 - Immediate$29.95View Details
FX MINI SOUND BOARD WAV/OGG2342FX MINI SOUND BOARD WAV/OGG0 - Immediate$14.95View Details

Expansion Boards, Daughter Cards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
DFPLAYER - A MINI MP3 PLAYERDFR0299DFPLAYER - A MINI MP3 PLAYER848 - Immediate$5.90View Details
DFROBOT DFPLAYER PRO - A MP3 PLADFR0768DFROBOT DFPLAYER PRO - A MP3 PLA512 - Immediate$8.90View Details

Single Board Computers (SBCs)

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0020SBC 1.0GHZ 1 CORE 512MB RAM1417 - Immediate$15.00View Details
SBC 1.0GHZ 1 CORE 512MB RAMSC0065SBC 1.0GHZ 1 CORE 512MB RAM687 - Immediate$16.00View Details
SBC 1.2GHZ 1 CORE 1GB RAMSC0149SBC 1.2GHZ 1 CORE 1GB RAM7720 - Immediate$25.00View Details

Speakers

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SPEAKER 8OHM 1W TOP PORT 90DBSP-3605SPEAKER 8OHM 1W TOP PORT 90DB5778 - Immediate$3.62View Details
SPEAKER 4OHM 2W TOP PORT 100DBCMS-40504N-L152SPEAKER 4OHM 2W TOP PORT 100DB3261 - Immediate$4.89View Details
SPEAKER 8OHM 1W TOP PORT 80DBCMS-23558N-L152SPEAKER 8OHM 1W TOP PORT 80DB2871 - Immediate$5.04View Details