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+--- Thread: K868-E16S use digital input and I2C in the same time (/showthread.php?tid=3026)
K868-E16S use digital input and I2C in the same time - Jtefan - 06-28-2023
I've defined the digital inputs and switches as in the example and also added a DS18B20 temp sensor to the I2C. But as soon as I add in yaml the Dallas configuration, the update_interval toggles the switches on and off at the interval set in the update_interval.
I saw that the I2C port is the same as the Dallas sensor but I don't know how I can connect them in a different way.
esphome:
name: kincony-kc868-e16s
friendly_name: Kincony KC868-E16S
platform: ESP32
board: esp32dev
logger:
captive_portal:
i2c:
sda: 16
scl: 15
scan: true
id: bus_a
pcf8574:
- id: 'pcf8574_hub_out_1' # for output channel 1-8
address: 0x21
- id: 'pcf8574_hub_out_2' # for output channel 9-16
address: 0x25
- id: 'pcf8574_hub_in_1' # for input channel 1-8
address: 0x22
- id: 'pcf8574_hub_in_2' # for input channel 9-16
address: 0x24
switch:
- platform: gpio
name: "e16s-output14"
pin:
pcf8574: pcf8574_hub_out_2
number: 5
mode: OUTPUT
inverted: true
id: output14
- platform: gpio
name: "e16s-output15"
pin:
pcf8574: pcf8574_hub_out_2
number: 6
mode: OUTPUT
inverted: true
id: output15
- platform: gpio
name: "e16s-output16"
pin:
pcf8574: pcf8574_hub_out_2
number: 7
mode: OUTPUT
inverted: true
id: output16
binary_sensor:
- platform: gpio
name: "DI1 - Entrance Left B1"
pin:
pcf8574: pcf8574_hub_in_2
number: 7
mode: INPUT
inverted: true
internal: true
on_press:
then:
- switch.toggle: output14
dallas:
- pin: 16
update_interval: 30s
sensor:
- platform: dallas
address: 0x453c430457d4c928
name: "Livingroom Temperature"
id: livingroom_temperature
- platform: dallas
address: 0x9d3c450457bfc728
name: "Bedroom Temperature"
id: bedroom_temperature
RE: K868-E16S use digital input and I2C in the same time - admin - 06-28-2023
DS18B20 can't use I2C bus pin. if you want to use DS18B20, try to use other free GPIO, such as there is a serial port extender on PCB (white 4pin socket).
RE: K868-E16S use digital input and I2C in the same time - Jtefan - 06-29-2023
Thank you for the info, it was a confirmation of what I have to do.
So, I've used RX from the extended serial pin GPIO14.
Also I've added a 4.7K resistor between data and VCC+ (3.3V) of the temp sensor. It's not working without the resistor, that's why it wasn't working yesterday.
dallas:
- pin: 14
update_interval: 10s
Thank you!
RE: K868-E16S use digital input and I2C in the same time - admin - 06-29-2023
RXD:GPIO14
TXD:GPIO33
you can try to use by GPIO14 or GPIO33, if GPIO14 not work, you can try GPIO33.
RE: K868-E16S use digital input and I2C in the same time - Jackson - 05-27-2024
Hi, I need some help with connecting DS18B20 sensor to E16S, can you make some tutorial or screenshots?
The sensor have 3 wire, but serial on the PCB have 4! Help!
Thx in advance, im begginer!
RE: K868-E16S use digital input and I2C in the same time - admin - 05-27-2024
DS18B20 3 wire: 3.3v, gnd, data. connect these pins with board.
RE: K868-E16S use digital input and I2C in the same time - Jackson - 05-28-2024
(05-27-2024, 11:44 PM)admin Wrote: DS18B20 3 wire: 3.3v, gnd, data. connect these pins with board.
Where, how? Can you put here some screenshot? Thx in advance!
RE: K868-E16S use digital input and I2C in the same time - admin - 05-28-2024
please search by google, how to use ds18b20
RE: K868-E16S use digital input and I2C in the same time - Jackson - 05-28-2024
(05-28-2024, 01:45 AM)admin Wrote: please search by google, how to use ds18b20
Are you kidding me? I know how to connect DS18B20 to ESP32, i have a working project on this, but i dont know how to connect DS18B20 tou your PCB(E16S)! NOW you understand? If you can put here some guide or screenshot, is OK, if not, Bye, bye!