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+--- Thread: KC868-A8 pullups off (/showthread.php?tid=8086)
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KC868-A8 pullups off - Oversteer - 05-18-2025
Hello
I have a KC868-A8 that I'm using with Homeassistant via Tasmota.
I'm trying to use it to operate my garage doors and see the reed switches on the doors for status, while still also having my alarm panel work with the doors and reed switches.
The outputs are easy, they work fine, but when I try to share a reed switch the alarm panel isn't happy when I tie in the ESP, and can't see the switch change state and thinks the doot is always open, I'm thinking this is because the inputs on 868 have pull-up turned on!?
Can I change the template string to set all the inputs to no pull-up ? or what do I need to do ?
Template I'm using ; {"NAME":"KC868-A8","GPIO":[32,0,1120,0,640,608,0,0,0,1,1,1152,0,0,5600,0,0,0,0,5568,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1],"FLAG":0,"BASE":1,"CMND":"EthClockMode 3 | EthAddress 0 | EthType 0 | I2CDriver2 1"}
Thanks
Justin
RE: KC868-A8 pullups off - admin - 05-18-2025
if you are using home assistant, why not download firmware by ESPHome, not need to use tasmota. ESPhome or KCS v2 firmware, will be more easy and stable.
RE: KC868-A8 pullups off - Oversteer - 05-18-2025
Can it be done with the Tasmota template ?
RE: KC868-A8 pullups off - admin - 05-18-2025
use esphome yaml directly, it not work with Tasmota template.
here is esphome yaml file for KC868-A8: https://www.kincony.com/forum/showthread.php?tid=2367
RE: KC868-A8 pullups off - Oversteer - 05-19-2025
How do you set the input to no pullup type in that yaml config ?
RE: KC868-A8 pullups off - admin - 05-19-2025
the A8 PCB already have pull up resistance, unless your remove the resistance.
RE: KC868-A8 pullups off - Oversteer - 05-19-2025
I need to Turn Off the pull-up on the digital inputs, its a config item to configure a switch or button as no pull up....
Is this done in the yaml code ?
RE: KC868-A8 pullups off - admin - 05-19-2025
if you want connect with switch button, you should connect with digital input ports.
RE: KC868-A8 pullups off - Oversteer - 05-19-2025
There is obviously a language barrier here, your not answering my questions and understanding !
How do I turn OFF the pull-up on the digital inputs ?????????
RE: KC868-A8 pullups off - admin - 05-19-2025
digital input ports without pull up resistance.
1-wire GPIO interface (S1,S2,S3,S4 on photo) with pull up resistance.
here is KC868-A8 schematic: https://www.kincony.com/download/KC868-A8-PCBV1.4.pdf
![[Image: KC868-A8-1_03.jpg]](https://www.kincony.com/images/KC868-A8/KC868-A8-1_03.jpg)