Active Buzzer Module (2 pcs)
Pimoroni
£4
A pack of 2 simple buzzers with built in oscillators - you just need to apply voltage for them to make noise! Specifications operating voltage: 5 VDC buzzer frequency: 1.5 to 2.5 KHz connection : 3 pin, (-) and (S). (+) is not used dimensions: 25 x 15 x 10 mm User manual
Pimoroni's own words, read from their page.
Buy from PimoroniOut of stock. Price seen 2026-09-05. Affiliate link.
