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💬 Openhab 2 Mysensors smart chicken coop

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https://www.openhardware.io/view/347/Openhab-2-Mysensors-smart-chicken-coop
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mysensors 189 nrf24l01 69 openhab 39 contest2017 35 ds18b20 15 pir 15 dht22 10 rpi gateway 5 mega 2560 3 limit switch 2 chicken coop 2

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Any news on this project? Thanks!
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Hi! I have the same problem as terxw. allpcb.com is missing the "NC drill date". Unfortunately I am not able to create this on my own. Can anybody upload this file? Thanks
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@Alan-Minor said in Small nRF24L01+ Shield for ESP8266 Wemos D1 Mini: @NeverDie "Move" the trace to a different pin. AFAIK, yes.
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@Sunseeker According to the Connecting the Radio page, D2 is the default pin for the CE signal for the NRF24. If you'd like to use this pin for I2C, you can free it up by assigning a different pin for the CE signal by adding this line to your sketch: #define MY_RF24_CE_PIN pin IIRC, all available pins should work for this purpose (D0, D3, D4). Just pick one and if it doesn't work, use one of the other pins. Please make sure to add that line before #include <MySensors.h>.
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@gohan Yes, you are right, this is done by cnc router.
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@TimO Yes, but without this message: 2020-01-07 16:23:52.050 [INFO ] [rsAbstractConnection$MySensorsWriter] - ACK received for message: 0;0;1;1;2;1
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@Samuel235 said in Homini AC Powered Relay (2) Module: OMRON G3MB-202P Okay I'm trying to help you with the fuse component. I found a datasheet for the OMRON G3MB-202P. And there are enoght information to be known for fuse selection. I try to calculate it here (and i will try it with my bad English ). The most important information is the melting integral. The Melting integral has A²s as unit. So this means the maximum current for a time can exists without damaging the device. For further information look at wikipedia. So we need any further information about: the protection which is present before (the typical circuit protection in private houses) the melting integral from the device which we want to protect the maximum voltage the maximum switching current the breaking capacity Inrush current for the switched devices (we can't know) Typical values for an automatic circuit breaker in private houses are: from 25 to 100 A²s 230 V AC 16 A So this protection isn't good enough for our relay. The relay have these values: 230 V AC 2 A maximum switching current I²t value (melting integral): 4 A²s the allowed inrush current over a small time is higher than the melting integral. It is a bit confusing i think, but if we calculate the protection for the given melting integral and it's fine. So we can define the parameters for the client (switching site of this application here) The fuse have to be: I²s value higher or equal than the I²s value from the existing protection rating voltage over 230 V AC rating current 2 A or lower (because 2 A is the maximum at 25 °C, for 40 °C it is about 1.6 A) a maximum switching time of 1 second at 2 A or lower time with higher current but below 4A²s! To calculate use the switching time from the fuse datasheet an multiply it two times with the given current for this switching time. And i think a fast blow fuse would be the best. There are SMD fuses with 10.1 x 3 mm and 250 V AC available. If there is no fuse available with the values above, we could combine multiple fuses. A possible solution could be one bigger fuse for both relays and the ac/dc component. And a smaller fuse for the switching site of the relay and the HLK-PM01. But for this it is important that the circuit have only one input for the hot one (L) of 230 V and one output for each relay. In this case we could reduce the big connectors from 6 to 4. Like (L, N, Relay1, Relay2). And the temperature fuse can work for all components too So the protection for the primary site of the HLK-PM01 is a problem i think. Because the are no information available about the I²s value from HLK-PM01. I hope you can understand my English and could follow my explanation?
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💬 Openhab 2 Mysensors smart chicken coop

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OpenHardware.io • nrf24l01 chauffage fil pilote • • openhardware.io

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OpenHardware.io • mysensors sensor htu21d ldr • • openhardware.io

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OpenHardware.io • nrf24l01 nrf24l01+ esp8266 shield adapter wemos d1 mini • • openhardware.io

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