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Wernra 07/10/2022
Bei dem Gerät ist weder einen Bauanleitung noch das Programm für den Arduino enthalten. Der Link '>>>Handbuch: Zum Öffnen hier klicken<<<' führt im Kreis auf sich/auf die selbe Seite, und nicht zu einer Anleitung. Weder die Verkabelung noch der Zusammenbau sind erklärt. Die mechanischen Teile sind aus Holz, für einen Einsatz im Freien, also unter direkter Sonneneinstrahlung und bei Regen ist das Gerät ungeeignet. In der Abbildung auf der Homepage sind die Verbindungskabel zwischen den Sensoren alle mit den gleichen drei Farben abgebildet. Geliefert wurde bei mir ein Band mit verschiedenen Farben und einzelnen Steckern, die Verpolungsgefahr ist so viel größer. Bei einem Servo (das ist die richtige Bezeichnung nicht Lenkgetriebe) sind die drei Kontakte miteinander verbunden, beim anderen sind die Kontakte einzeln. In der Basisplatte passen nur drei der vier Löcher zur Platine des Uno R3. Zusammenfassung: Finger weg. Das ist rausgeworfenes Geld.
Projeto de Kit DIY de Tecnologia para Rastreamento Solar Inteligente para Arduino
US$33.99 US$52.36
1
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Projeto de Kit DIY de Tecnologia para Rastreamento Solar Inteligente para Arduino
US$33.99 US$52.36

Q: Hallo, das Kit funktioniert im Innenraum sehr gut, dafür funktioniert es draußen in der Sonne gar nicht. wie kann man den Fehler beheben? Danke!

perguntado por BG365771149 sobre 2022-08-01 03:53:10

Wernra Klebe vor die LDRs (=die Sensoren) eine oder mehrere Lagen weißes Papier als Filter WeRa

2022-10-09 08:53:17 Útil (2)
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Wernra 07/10/2022
Ich habe mehrere dieser Teile gekauft. Bei einem lässt sich die rechteste Klemmschraube nicht eindrehen. Es liegt nicht an der Schraube, sondern am Innengewinde des Basisteiles. (Ich habe Schrauben getauscht.) Das Problem muss schon bei der Herstellung aufgefallen sein! Trotzdem wurde es verkauft. Ich werde versuchen das Gewinde nachzuschneiden, das ist einfacher als eine Rücksendung. Weiter als auf dem Foto lässt sich die Schraube nicht eindrehen.
Regulador de Velocidade de Bomba de Motor DC PWM de Alta Potência 9V 12V 24V 36V 48V 9-55V 40A 2000W
US$8.99 US$16.99
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Monitor de jogos curvo XIAOMI 144Hz 3440*1440 resolução 34 polegadas 21:9 trazer monitor de exibição de tecnologia de sincronização de tela de peixe com plugue CN/UE
US$719.39 US$784.99

Q: Does the monitor have speakers?

perguntado por Wernra sobre 2021-03-26 12:25:23

BG544574421 gghh

2022-04-13 01:43:53 Útil (0)
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Wernra 21/11/2021
Es gibt eine einfache Möglichkeit einen CO2 Messgerät zu testen, indem man es im Freien in sauberer Luft aufstellt. Bei einem gut funktionierenden Luftqualitätsmessgerät kann man eine Anzeige des CO2 Gehaltes im Bereich zwischen 412-416 ppm erwarten. Der 'Digital Air Quality Monitor' zeigt in dieser Situation 530 ppm an. Ich betreibe seit einiger Zeit in meinen Wohnraum ein anderes Messgerät, das nur CO2 misst. Dieses Gerät zeigt sowohl im Freien als auch im Wohnraum plausible Werte an. Der 'Air Quality-Monitor' zeigt im gleichen Raum, direkt nebeneinander beispielsweise 544 ppm an, während das vertrauenswürdige Gerät 985 ppm anzeigt. Die anderen Anzeigen des 'Digital Air Quality Monitor' (CO, HCHO, AQI und TVOC) kann ich nicht überprüfen, halte sie aber für genauso wenig glaubwürdig. There is a simple way to test a CO2 meter, by placing it outdoors in clean air. A well-functioning air quality monitor can be expected to show CO2 levels in the range 412-416 ppm. The 'Digital Air Quality Monitor' reads 530 ppm in this situation. For some time I have been operating another meter in my living space that only measures CO2. This device shows plausible values both outdoors and in the living room. For example, the 'Air Quality Monitor' shows 544 ppm in the same room, right next to each other, while the trustworthy device shows 985 ppm. I cannot check the other readings of the 'Digital Air Quality Monitor' (CO, HCHO, AQI and TVOC), but I find them equally untrustworthy.
CO CO2 HCHO TVOC AQI testador LED monitor digital de qualidade do ar interno ao ar livre analisador de gás
US$26.99 US$22.99
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Wernra 21/11/2021
I ordered two calipers and an air quality meter on 12.11.21, the three items arrived 7 days later. Here is the review of the calipers. The gauges are not good value, they are not worth anything. The slider has play compared to the fixed part of the caliper, not only does it move back and forth very easily, changing the reading, if you hold the calipers vertically upwards, the slider falls down by itself. The units are both very difficult to switch off, because when you put the units down, the slider moves and this automatically switches the units back on. This reduces the battery life. The jaws have casting burrs that can crush thin objects when measuring, or affect the result. If you press the two jaws together and hold them against the light, you can see an uneven gap of about 0.1 mm. What I don't think is made clear enough in the description is that the resolution is only 0.1 mm instead of 0.01 mm as is usually the case with digital calipers. I also did not expect the fixed part to be so flexible that it deforms even under slight force so that the display changes by +-0.2 mm. In order to be able to mount two clamping screws, I dismantled the units. There are four screw holes under the rear cover into which only three screws were screwed in both units, which also makes the units unstable. Also the mounting of the two additional clamping screws does not hinder the change of the display when the long part is bent. A digital caliper with an accuracy of about half a millimetre is not usable for me. Ich habe am 12.11.21 zwei Schieblehren und ein Luftqualitätsmessgerät bestellt, die drei Artikel kamen 7 Tage später bei mir an. Hier die Bewertung der Schieblehren. Die Messgeräte sind nicht preiswert, sie sind nichts wert. Der Läufer hat gegenüber dem festen Teil der Schieblehre Spiel, er lässt sich nicht nur sehr leicht hin und her bewegen, wobei sich die Anzeige verändert, wenn man die Schieblehren senkrecht nach oben hält, fällt der Läufer von selbst runter. Die Ger
Vernier composto de fibra de carbono régua digital eletrônica de 6 polegadas (150 mm)
US$9.69 US$11.99
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Módulo de sensor de temperatura e umidade digital de alta precisão AHT10 com comunicação I2C, 10 peças
US$24.24 US$25.99

Q: Wie lautet die I2C-Adresse? Kann bei diesem AHT10-Modul die I2C-Adresse geändert werden? (Für 2 Sensoren an einem Mikroprozessor) What is the I2c-adress? Can the i2C-adress be changed? (for 2 sensors on 1 microprocessor)

perguntado por Wernra sobre 2021-12-12 04:02:36

Ulic http://myosuploads3.banggood.com/products/20190822/20190822202818AHT10-master.rar

2021-12-13 03:17:30 Útil (0)
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Wernra 26/03/2021
The device was payed on17.March and arrived 26.3. (about two hours ago.) I connected keyboard, mouse, moitor per the supplied HDMI-cable and the supplied power-suply. Win10 pro 64bit is preinstalled and activated (no extra Costs) I have a 256 GB SSD and 8GB-RAM (there is a second free RAM-Slot) The device-manager shows 4 Intel i31005G1 CPUs with 1.2 GHz. My screen-resolution is 3440x 1440, it was recognized automatic an correct. I just had to go through the WIN-10-preparations (Country, keybord,...) For an I3 and the price of only 288 € (special offer) this is an astounding fast machine! Up to now I did'nt mount a second harddisk. The Cable and the adaptor are included. fast delivery. a great buy!
Beelink SEi10 10ª Geração Office Mini PC 3.4Ghz Intel Ice Lake-U i3-1005G1 Intel UHD Graphics 8GB DDR4 256GB NVME SSD WiFi 6 bluetooth 5.0 1000M 4K Win10 Home Server
US$510.50 US$530.99
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Wernra Hello DenisB, Where is the Infrared-Filter, and how did you remove it? To mirifaria: do not use a USB- Hub, and wait at least 30 seconds to let WIN10 find the driver. I Used Win10-Kamera as Software. wernra

DenisB 07/05/2020
Works very well with my Raspberry Pi as a webcam. I removed the IR filter and paired it with an IR illuminator and a small thermal camera and now I have a low-cost equivalent of a FLIR DUO camera. Easy to install on any PC and works perfectly as a webcam. For this price it has no competition. Image quality is good.
Módulo de Câmera Eletrônica Night Vision Led Extension Mini Automatic Webcam Replacement HD 1,3 milhões HM1355
US$13.19 US$14.99
2
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Wernra 25/07/2018
I ordered 20 of them. One does not display anything, even after changing the two batteries with a working one. After a day of storing in a room with constant temperature, all sensors packed close together, the displayed temperatures range from: 21.3 °C one piece (out of range of accuracy: ±1°C 22.4 °C one piece 22.6 °C one piece 22.7 °C four pieces 22.8 °C five pieces 22.9 °C four pieces 23.0 °C zwo pieces 23.1 °C one pieces. The parts run with two batteries AG13. If one Battery is taken out, the displayed value changes.
10 Pcs Mini LCD Digital Termômetro Para Tanque de Peixes De Aquário Frigorífico Medição de Temperatura 79 cm Sonda-50 ° C a 110 ° C
US$13.08 US$13.18
0
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Wernra 25/07/2018
All screws are and the two silver rings are missing. The encoder-disk not lasered of wood, it is of plastic. The central hole Encoder-disk is not 4mm round, it is a rectangle of 3.5/5.4 mm.
Módulo de medição de dupla velocidade HC-020K com kit de módulo de codificador de velocidade
US$11.54 US$11.99
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Wernra 05/02/2018
I an get only 640 * 480 videos
HD Auto balanço de branco 12M pixels na webcam com câmera giratória ajustável para microfone para laptop PC
US$8.23
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