Mr. Bear
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Kit d'horloge DIY à 6 chiffres Horloge d'alarme DIY avec affichage automatique Kit de pratique de soudage pour étudiants et bricoleurs DC4.5V-5.5V
7,74€ 13,84€

Q: Hi, No instructions came with the kit, is there a PDF we can download to cover the assembly and operation please? Thanks

demandé par BG173834387 sur 2024-04-05 04:13:05

Mr. Bear Everything is written on the PCB board and you do not need special instructions. Operation: left push button hours, right push button minutes, switch to stop seconds run.

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Antenne QRP à ondes courtes de 30W Antenne HF accordée sur toute la plage de fréquences de 5MHz à 55MHz pour FT-817 818 703 K1 K2 USDX MCHF
43,35€ 50,73€

Q: will this work with an SDR Dongle for just receiving ?

demandé par BG853375241 sur 2023-01-05 02:05:35

Mr. Bear Yes, it will work.

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Geekcreit® DIY Creative Remote Control Colorful LED Kit musique arbre de Noël Décoration de fêtes Petits cadeaux
12,17€ 13,83€

Q: Everything works except TF card. Verified continuity from MCU pins to card holder pins. Verified GND at card holder. Verified 3.9V at card holder. Used Goldwave to verify PCM unsigned 8-bit, 8000 Hz, WAV. It is a small 37kb test file. Suggestions? Speaker plays tunes correctly from MCU, but plays those whether TF card is inserted or not.

demandé par Tblount70 sur 2019-12-02 14:19:26

Mr. Bear It must be also in MONO format. I am using very old 128MB SD card and it is working OK...... So it must be WAV file, max 22.05K sampling rate, 8 bit sampling, mono.

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Geekcreit® DIY Noir Miroir LED Kit de Réveil de Bureau Matriciel
11,06€ 14,75€

Q: what type of Battery is needed ?

demandé par donwemyss sur 2017-11-06 10:36:35

Mr. Bear CR1220

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