grumble
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10個のGeekcreit® DC 5V 3MM x 10MM WS2812B SMD LEDボード内蔵IC-WS2812
US$3.99 US$9.99

Q: wich controller they need to lightup leds??

尋ねた franco.ballarini に 2020-10-14 02:57:51

grumble I use an Arduino, google for ws2812b Arduino library

2020-10-14 03:07:05 役に立つ (0)
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LILYGO®TTGO ESP32WiFi+ Bluetooth18650バッテリー保護ボード0.96インチOLED開発ツール
US$12.99 US$23.99

Q: Where can I get the circuit diagram for this board?

尋ねた Gary Quinn に 2018-06-16 08:40:39

grumble please send the circuit schematics to my email address, thank you very much in advance :)

2020-01-05 06:14:52 役に立つ (1)
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80値0805 1％SMDチップ抵抗器+コンデンサAssortment Kitサンプルブック
US$22.59

Q: in the description it states that the resistors are 1% but inside the book is says 5% , what is correct?

尋ねた grumble に 2018-10-26 10:54:09

Lolboat It is 1%

2018-10-31 04:22:28 役に立つ (0)
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grumble 28/04/2018
use these all the time built a modular synth with these. https://www.youtube.com/playlist?list=PLWPX-l4AfDQZniisAteWIYz6geY-YyCaP
10Pcs 90 * 150mm FR-4両面プロトタイプPCBプリント基板
US$23.99 US$28.99
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grumble 02/01/2018
The color is slightly different from the picture, but my wife is happy with the bag. And a happy wife is a happy life :)
女性ファッションミニマリストハンドバッグレジャービジネスショルダーバッグトートバッグ
US$32.99 US$89.99
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grumble 02/01/2018
Nice flashlight with plenty of light. Great to focus. Housing made of aluminum with a solid feel. There is a convinient cord to attach the torch to ones wrist. The button on the back for on/off (ferm push) or light intensity or flash frequency by pushing with a light touch on the button. Charger works ok, not fast so the batteries will not become hot when charging. Adapters included to work with AAA batteries, but I will not use them. Overall well worth the money.
MECO XM-L T6 3600ルーメン5Mode Zoomable LED懐中電灯+ 18650 +充電器
US$17.68
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grumble 02/01/2018
I had some SSD 32Gbyte laying around and some old laptops. So I bought this item and used the SSD originally used for Hybernating and Chaching in laptops in this Adapter to replace the harddisk. For Chrome OS is 32Gbyte enough and the old laptops work like a charme!
ミニPCI-E mSATA SSDから2.5インチSATA III 6Gbpsアダプタコンバータカードモジュールボード
US$3.99
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