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Bewertet in Italien am 8. Februar 2025
Funziona benissimo , carenza sulle spiegazioni , GRAZIE a Emilio P. Che ha spiegato meglio funzionamento e programmazione
Kunde
Bewertet in Deutschland am 7. Februar 2025
Verwendung im Eisenbahn-Modellbau
Raph
Bewertet in Frankreich am 27. Februar 2025
Relai essentiel pour faire du bricolage avec un Arduino. La carte remplit parfaitement sa fonction.Plus chère que sur Aliexpress mais livraison beaucoup plus rapide, c'est un choix à faire
Gökhan Demirci
Bewertet in der Türkei am 24. Mai 2024
hızlı kargo kaliteli ürün
Quantumbug
Bewertet in Großbritannien am 24. Oktober 2023
I'm using this as a delay to power up a NEST camera, via USB, after a power disconnect. My NEST camera picks up WiFi from a mesh system WiFi extension at the bottom of my garden in a shed. There is a delay, after a power loss, for the mesh node to link to my WiFi and the NEST camera is not too clever to constantly try to get a WiFi connection as it appears to try only at power on and then does not connect and I have to manually remove power and apply again for it to connect to the valid WiFi signal at the mesh node.The board has a 12Volt relay but works on USB 5Volts and so I have replaced the relay with a 5Volt one. There is no circuit diagram.The board has an input (I connect to USB) and the input positive is connected to the common terminal on the relay so that power out via the relay occurs when the relay switches. Pressing a button sets the mode. Mode 1 is off for delay then activates the relay after the delay. The mode, selected by a push button, is shown on a bank of LEDs and will remember the mode even when power is removed.I set the delay to maximum and found with USB voltage the delay is about 90 seconds. The circuit does as designed and was more convenient to purchase than building one myself.I have now boxed this, sealed all with silicon that you put around baths as my shed gets damp, and my WiFi is on before the NEST powers up and the nest then connects to a valid WiFi after about 90 seconds from applied power.Looking good so far and inexpensive and working as planned
Rob d exter
Bewertet in den Niederlanden am 12. Dezember 2023
Perfect in time 115sec
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