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Module de matrice de points MAX7219 module d'affichage LED 4-en-1
8,79€ 13,83€

Q: Dumb question- I'm new to all this: Do I have to buy the leds and solder them all myself or are they already installed in the "board"?

demandé par BG442043178 sur 2021-02-27 07:37:44

MrRebot no. yes in the board

2022-06-27 01:42:10 Utile (1)
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réponses (8)
Poldark 06/04/2022
Works fine, Nice and bright and multi-color. Easy soldering. Note that the rings are already attached to each other, you just have to solder the connecting wires. See my video for more info. https://youtu.be/AmLzSUSMFxU
Carte de développement de pilote LED RGB WS2812 5050 à 61 bits CJMCU
9,22€ 15,67€
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Carte de développement de pilote LED RGB WS2812 5050 à 61 bits CJMCU
9,22€ 15,67€

Q: I'm new at this. I guess all 5V and all Gnd connections need to be soldered together. You also have to solder the DO (digital out) connection of a ring to the DI (digital in) of the nextjQuery1113003222095181722451_1644801213862 Am I right? Then on the outer ring, Gnd, 5V, and DI get connected to the arduino board. Does all that sound correct?

demandé par Poldark sur 2022-02-13 07:14:24

Lolboat try

2022-02-15 12:30:03 Utile (0)
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Carte de développement de pilote LED RGB WS2812 5050 à 61 bits CJMCU
9,22€ 15,67€

Q: I'm new at this. I guess all 5V and all Gnd connections need to be soldered together. You also have to solder the DO (digital out) connection of a ring to the DI (digital in) of the nextjQuery1113019821581354292372_1644801580205 Am I right? Then on the outer ring, Gnd, 5V, and DI get connected to the arduino board. Does all that sound correct?

demandé par Poldark sur 2022-02-13 07:20:22

Fumosity You can refer to others' usage.

2022-02-14 09:30:02 Utile (0)
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réponses (1)
Carte de développement de pilote LED RGB WS2812 5050 à 61 bits CJMCU
9,22€ 15,67€

Q: I'm new at this. I guess all 5V and all Gnd connections need to be soldered together. You also have to solder the DO (digital out) connection of a ring to the DI (digital in) of the nextjQuery111308277786757960712_1644798969840 Am I right? Then on the outer ring, Gnd, 5V, and DI get connected to the arduino board. Does all that sound correct?

demandé par Poldark sur 2022-02-13 07:11:37

Jaroslav Müller Yes, that's fine

2022-02-14 02:07:28 Utile (0)
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Poldark 20/01/2022
What I got does not match the pictures. I want to use 5 volts as my power input. The board I received only has one power input, not the two as shown on the website. So is this one power input connection 5 volts or 9-12 volts? I bought this unit because it had a 5 volt connection- supposedly, and that's what I had in mind. Picture of what I have attached.
Kit de bricolage bicolore LED Clap Flash Kit d'enseignement
4,60€
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Kit de bricolage bicolore LED Clap Flash Kit d'enseignement
4,60€

Q: It says "The working voltage of the circuit is DC9-12V." and then later "Power: 5V". So which is it, I'm confused?

demandé par Poldark sur 2022-01-10 10:58:37

Numen DC9-12V for battery power, DC5V for the power cord, You can choose one of the two to supply power

2022-01-12 04:16:33 Utile (0)
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HC-201 Horloge créative de recharge USB avec luminosité ajustable et chiffres 3D
25,57€ 31,37€

Q: So this is not a kit? Also, it is only one color, the one you choose when you purchase -OR- each clock is capable of displaying any one of 5 colors you can choose and change whenever you want?

demandé par BG442043178 sur 2021-02-15 04:57:29

BG432513856 This is not a kit. It is only one color, the one you choose when you purchase

2021-03-09 06:02:22 Utile (0)
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Edward 07/03/2021
Banggood LED Windmill "training" kit. Quite small but easy to build and to solder. If you are a beginner you should have no problems with this. No instructions but pretty self-explanatory and few parts and good markings on the board. The LED holes on the board were a bit tight- I had to carefully use pliers to fully pull the LED wires all the way through the holes. You get some extra LEDs. See my video: https://youtu.be/oSI-q_1LRl0 (OR- go to YT and go to am1manTravel channel, video title: Banggood LED Windmill Kit - Feb 2021)
Kit de formation module électronique DIY moulin à vent 5V «DC» avec vitesse réglable, conçu pour le cours de conception MCU et soudage.
3,68€ 6,45€
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13 Segments Audio Lumière Colonne Lumière Cube Ensemble Télécommande DIY Électronique Musique Spectrum Kit Support Hors Ligne Animation Night Light Mode Avec Transparent Acrylique Shell
17,52€ 24,90€

Q: OK, I have determined that the Q1 and Q2 are for the directional "diodes" marked M7 and the side with the lines is the negative cathode. That leaves R1 and R3 and C4 and C5. I have the tiny surface mount items in the "strips". I can see 104 printed on one set and someone wrote 27P on the other set but which ones go to the R's and which ones go to the C's?

demandé par BG442043178 sur 2021-03-06 10:01:23

m4trix I'd say, that the 104 are the resistors (R=104Ohm) and the 27P are the capacitors (C=27Picofarad), which would be quite the values for a LED-Board like that.

2021-03-07 08:02:30 Utile (1)
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13 Segments Audio Lumière Colonne Lumière Cube Ensemble Télécommande DIY Électronique Musique Spectrum Kit Support Hors Ligne Animation Night Light Mode Avec Transparent Acrylique Shell
17,52€ 24,90€

Q: There are 3 different surface mount items that I can't tell where they go. One strip of 3 has 27P hand written on it. Another strip of 4 has no markings. And 2 other thicker ones have M7 on them. Not sure exactly where they go on the board since no schematic and the "picture" provided only shows the larger components. How about providing a picture of where they go. That's where we really need help!

demandé par BG442043178 sur 2021-03-06 09:09:36

robherto 27P capacitor, only needs two C4 and C5) M7 diodes (Q1 and Q2) The other strip resistors, only two used (R1 and R3)

2021-03-06 10:06:02 Utile (3)
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Geekcreit® DIY Colorful LED Kit de grande roue rotative automatique Composants électroniques Kit de production Spectrum Music
22,27€ 23,05€

Q: Do the 3 "thimbles" (the 3 gold colored contact pins) get soldered to the circuit board or do they just sit in the 3 holes on the circuit board?

demandé par BG442043178 sur 2021-01-30 05:56:43
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réponses (1)

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