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+--- Thread: How many 1W sensors can be used with SigkSens, and ESP8266? (/showthread.php?tid=2316)
How many 1W sensors can be used with SigkSens, and ESP8266? - Ranur - 2020-02-10
Trying to hook up a bunch of them. 7 But when I connect them all I get Null. Too many so I should split on two ESPs or bad connection. The wires on the 1W's are thin....
//Ranur
RE: How many 1W sensors can be used with SigkSens, and ESP8266? - holgerw - 2020-02-11
(2020-02-10, 10:33 PM)Ranur Wrote: Trying to hook up a bunch of them. 7 But when I connect them all I get Null. Too many so I should split on two ESPs or bad connection. The wires on the 1W's are thin....
//Ranur
Hello Ranur
i would try to set down the pullup resistor on the bus, the many cables will give more capacity.
i would try it with half the ohms for beginning.
holger
RE: How many 1W sensors can be used with SigkSens, and ESP8266? - Ranur - 2020-02-11
(2020-02-11, 09:03 AM)holgerw Wrote:Hi! Thanks!(2020-02-10, 10:33 PM)Ranur Wrote: Trying to hook up a bunch of them. 7 But when I connect them all I get Null. Too many so I should split on two ESPs or bad connection. The wires on the 1W's are thin....
//Ranur
Hello Ranur
i would try to set down the pullup resistor on the bus, the many cables will give more capacity.
i would try it with half the ohms for beginning.
holger
Tried a while more last night and discovered that 3 sensors worked all right, but once I connected the forth I got no signal. So a 2.2 kOh instead of the 4.7 kOh should do the trick you think?
//Ranur
How many 1W sensors can be used with SigkSens, and ESP8266? - holgerw - 2020-02-11
(2020-02-11, 10:51 AM)Ranur Wrote:(2020-02-11, 09:03 AM)holgerw Wrote:So a 2.2 kOh instead of the 4.7 kOh should do the trick you think?(2020-02-10, 10:33 PM)Ranur Wrote: Trying to hook up a bunch of them. 7 But when I connect them all I get Null. Too many so I should split on two ESPs or bad connection. The wires on the 1W's are thin....
//Ranur
Hello Ranur
i would try to set down the pullup resistor on the bus, the many cables will give more capacity.
i would try it with half the ohms for beginning.
holger
//Ranur
You can‘t do any wrong, try the 2k pullup resistor.
RE: How many 1W sensors can be used with SigkSens, and ESP8266? - Ranur - 2020-02-11
*Boomschackalacka*
Worked as a charm with less pull up resistance. Some trial and error, but mostly due to bad connectors on the D1 Mini. Now it is all ready. 7 1W sensors fitted as well as a Voltage meter hooked up on the analog input. Must be calibrated when properly fitted though. Got some variances now depending on cables and such. Next step - installation! :-D
How many 1W sensors can be used with SigkSens, and ESP8266? - holgerw - 2020-02-11
Fine. Greetings from the Danube. Holger