Queue Item 9
2023.195 13:44
<p>{“@context”:[“https://www.w3.org/ns/activitystreams”,{“ostatus”:“http://ostatus.org#”,“atomUri”:“ostatus:atomUri”,“inReplyToAtomUri”:“ostatus:inReplyToAtomUri”,“conversation”:“ostatus:conversation”,“sensitive”:“as:sensitive”,“toot”:“http://joinmastodon.org/ns#”,“votersCount”:“toot:votersCount”,“blurhash”:“toot:blurhash”,“focalPoint”:{“@container”:“@list”,“@id”:“toot:focalPoint”}}],“id”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445/activity”,“type”:“Create”,“actor”:“https://mastodon.cloud/users/adafruit”,“published”:“2023-07-14T13:44:22Z”,“to”:[“https://www.w3.org/ns/activitystreams#Public”],“cc”:[“https://mastodon.cloud/users/adafruit/followers”],“object”:{“id”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445”,“type”:“Note”,“summary”:null,“inReplyTo”:null,“published”:“2023-07-14T13:44:22Z”,“url”:“https://mastodon.cloud/@adafruit/110712734529054445”,“attributedTo”:“https://mastodon.cloud/users/adafruit”,“to”:[“https://www.w3.org/ns/activitystreams#Public”],“cc”:[“https://mastodon.cloud/users/adafruit/followers”],“sensitive”:false,“atomUri”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445”,“inReplyToAtomUri”:null,“conversation”:“tag:mastodon.cloud,2023-07-14:objectId=251580022:objectType=Conversation”,“content”:“\u003cp\u003ePCB of the day! BEEEEEEP goes the PAM8904 piezo amplifier 🔊🔌🔬\u003c/p\u003e\u003cp\u003ePiezos 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\u0026#39;re using a piezo to sense distance? adafruit\u0026#39;er carter found the nifty PAM8904, which is in stock at Digikey \u003ca href="https://www.digikey.com/short/p9bwzp2t" target="_blank" rel="nofollow noopener noreferrer"\u003e\u003cspan class="invisible"\u003ehttps://www.\u003c/span\u003e\u003cspan class=""\u003edigikey.com/short/p9bwzp2t\u003c/span\u003e\u003cspan class="invisible"\u003e\u003c/span\u003e\u003c/a\u003e .\u003c/p\u003e”,“contentMap”:{“en”:“\u003cp\u003ePCB of the day! BEEEEEEP goes the PAM8904 piezo amplifier 🔊🔌🔬\u003c/p\u003e\u003cp\u003ePiezos 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\u0026#39;re using a piezo to sense distance? adafruit\u0026#39;er carter found the nifty PAM8904, which is in stock at Digikey \u003ca href="https://www.digikey.com/short/p9bwzp2t" target="_blank" rel="nofollow noopener noreferrer"\u003e\u003cspan class="invisible"\u003ehttps://www.\u003c/span\u003e\u003cspan class=""\u003edigikey.com/short/p9bwzp2t\u003c/span\u003e\u003cspan class="invisible"\u003e\u003c/span\u003e\u003c/a\u003e .\u003c/p\u003e”},“attachment”:[{“type”:“Document”,“mediaType”:“image/png”,“url”:“https://media.mastodon.cloud/media_attachments/files/110/712/733/950/196/197/original/8debe6f6204e0b4b.png”,“name”:null,“blurhash”:“UD7x5WwzD*OAxbofW-WC4VNs%Mr^I.Rjwhoy”,“width”:1080,“height”:1080}],“tag”:[],“replies”:{“id”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445/replies”,“type”:“Collection”,“first”:{“type”:“CollectionPage”,“next”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445/replies?only_other_accounts=true\u0026page=true”,“partOf”:“https://mastodon.cloud/users/adafruit/statuses/110712734529054445/replies”,“items”:[]}}},“signature”:{“type”:“RsaSignature2017”,“creator”:“https://mastodon.cloud/users/adafruit#main-key”,“created”:“2023-07-14T13:44:23Z”,“signatureValue”:“Rn5LcOkFU9lGEQBNlMMniHvMqNK7hCZ1uUxniwINcRH4ZN93SSOAOLuquaD+jZt9maruJRzSTzslRSLE4HLySxg0BRGIzX1eCSd8MbXZd3QACAG4wthxMtYi3Pj8DGWdjqlMvDTyr3l4mX0OtbzIT//5Mi9pKs/A2I/UmG5lN2nbi4mC3HElENPxPErdxx6MekuMTVARj7ZIqcDVU2pUsR0Nfy+U4wSj2AUg7axUWlZG4B/tEVnpgfb4gEzqikPrdUd9GZifvpXHLXS9aBwz6Q1Ryf7Pq9PS5X2Ov4oyAJU9sRJ2a8jdzjgVSFnkJTbMINjpypzfsn9cgdqebtL2DA==”}}##DEBUG##host: cloud-start-rkqucga6.fermyon.app user-agent: http.rb/5.1.1 (Mastodon/4.1.3; +https://mastodon.cloud/) content-length: 4143 accept-encoding: gzip content-type: application/activity+json date: Fri, 14 Jul 2023 13:44:24 GMT digest: SHA-256=y1Qe+T3uD+I2uyE7qHe4qEN2ChcjKwv+9paMqQKFKFg= x-forwarded-server: ip-172-31-0-24 spin-client-addr: 195.201.111.25:443 signature: keyId=“https://mastodon.cloud/users/adafruit#main-key”,algorithm=“rsa-sha256”,headers=“(request-target) host date digest content-type”,signature=“UsYJ4cgYZH8AxWaNStOjab95gH5CwrsyD1JtmAiDHNiG4Fg2KvIQWh8hHkwWJu92eRysYc4ifc8S1CjUP4ZbLZ+wzn44H3/TKNHkN890Qm+WcXKySWN8La7hziifeOB2ILCF9r9qKV5US2uwzn+GA92tx3o9m7Wf0XaelYWJLDnfYoUKfZBMVHxuPTcHgSNbJcIiHags7AFMTbV5/atClMEecfN7omzL4Heq7p8BitVcSSuHiltRaSB712hTpXwK6TMg6z8LmZKcIi29IONwU5GKFjStyFf0f+sRTebgTc7Hf1L9U9P6JCcJ8/I2SZEec9djUyTq/pHAswKKPDi6DA==” spin-full-url: https://cloud-start-rkqucga6.fermyon.app/inbox spin-matched-route: /inbox x-forwarded-host: cloud-start-rkqucga6.fermyon.app x-forwarded-port: 443 x-forwarded-proto: https spin-raw-component-route: /inbox spin-component-route: /inbox</p>