elchal-li
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Geekcreit® Набор обновленных DIY EC1515A DS1302 ​вращающихся ​LED электронных часов 51 SCM Учебного совета Размер 81x81x2мм
US$6.99 US$8.39

Q: hi I also got kit ec1515s and can’t download also clock does not show any errors but although you can alter the time it does not advance itself so no tick tick just a nice decoration

Задавает Georgiesmith на 2020-01-18 08:22:32

elchal-li Oh,what a pitty. I don't know what can be done. Mine worked for a long time but suddenly it quitted. I will buy another clock.

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3,5 мм блютуз аудио-передатчик стерео A2DP блютуз адаптер dongle для Smart TV и ПК
US$17.99 US$21.99

Q: Does this work with TRRS aux cord? Also, can I use my headphones mic on the TX bluetooth transmitter with the TRRS aux cord?

Задавает Brandon на 2020-05-11 20:06:30

elchal-li Thisis transmitter only. You can plug it on the line out connector, and listen to the music via Bluetooth on your BT headphones. It doesn't matter you have or not a microphone, because it will not be connected.

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Гиккрейт® XR2206 Генератор сигналов DIY Комплект синус Треугольник Квадратный выход 1 Гц-1 МГц
US$5.99 US$9.79

Q: Can the signal generated be plugged to a regular speaker?

Задавает FMK на 2018-11-27 18:14:19

elchal-li You probably won't hear anything as the signal is too weak to power the speaker.

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HC-SR501 Модуль человеческого инфракрасного датчика с объективом
US$3.99 US$8.99

Q: can this operate Such that if there human motion is present then light goes to off state and if there are no human motion light goes to on state thanks

Задавает Holysmokle на 2019-02-25 11:04:45

elchal-li If you see the schematic, you can drive a relay with the sensor and a transistor. Then you can use the normally closed contact to manage the light as you say.

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