PCB of the day! BEEEEEEP goes the PAM8904 piezo amplifier 🔊🔌🔬
Piezos make noise when you put an AC voltage across them: and the bigger the Vpp the louder they are. With your standard 3V logic microcontroller you can make 3Vpp with a PWM out, or 6Vpp differential with two complimentary outputs. but what if you want even louder? or if you're using a piezo to sense distance? adafruit'er carter found the nifty PAM8904, which is in stock at Digikey https://www.digikey.com/short/p9bwzp2t . It is a switched-cap piezo driver that has BTL output and up to 3x voltage multiplication thanks to a built in boosting circuit for up to 15Vpp. We whipped up a quick breakout in our 2mm JST Stemma form-factor to try it out! theres a dual DIP switch to set the gain, and a terminal block to connect your piezo to.
Starting the new year with brunch with my two girls. Hope everyone has a great 2023! . #highvoltage #catskills (at High Voltage Catskills) https://www.instagram.com/p/Cm4Sqg-gVfF/?igshid=NGJjMDIxMWI=
On the sudden and abrupt passing of our dear friend Ron “Ronster” Brefka, we would like to announce that the High Voltage Vintage Motorcycle & Chopper Show will live on… Please join us in celebrating @ronster__ and his true life’s passion of all things moto… Saturday, September 10, 2022 Noon til 7:00 pm V Metals/7 Metal West 6951 Industrial Loop Greendale, WI 53129 FREE as always to attend! Benefits WE Care Fund for cancer research More info to come. PLEASE SPREAD THE WORD!! Please contact @motomomslp or @never_val if you are interested in vending or donating raffle items. #highvoltageshow #highvoltage #chopper #chopperlife #custompaint #custommotorcycle #milwaukee #harley #choppershit #motorcyclelife #chopcult #harleydavidson #goodtimes #custom #madeinusa #cool (at VMetals Custom Metal Fabrication) https://www.instagram.com/p/ChhlE5iL5lQ/?igshid=NGJjMDIxMWI=
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