@Thomas.dmm wrote:
Hello Everybody
I try to print sensor information on lcd 2004a with pcf 8574 but i have this problem : [E][lcd_pcf8574:028]: Communication with LCD Display failed!
Someone can help me ?
This is my code :
esphome: name: station_bureau platform: ESP8266 board: nodemcuv2 wifi: ssid: xxxxxxxxxxxx password: xxxxxxxxxxxxx # Enable logging logger: # Enable Home Assistant API api: ota: i2c: sda: D2 scl: D1 scan: True time: - platform: sntp id: my_time sensor: - platform: dht pin: D7 model: dht22 temperature: name: "Sation Bureau Température Ambiante" humidity: name: "Station Bureau Humidité Ambiante" update_interval: 30s - platform: uptime name: "Station Bureau Uptime Sensor" - platform: wifi_signal name: "Station Bureau WiFi Signal" update_interval: 30s binary_sensor: - platform: gpio pin: D5 name: "Station Bureau PIR Sensor" device_class: motion display: - platform: lcd_pcf8574 dimensions: 20x4 address: 0x27 lambda: |- it.print("Hello World!"); # it.strftime("It is %H:%M on %d.%m.%Y", id(my_time).now());And This is the log
NFO Successfully connected to station_bureau.local [12:35:47][I][app:100]: ESPHome version 1.14.2 compiled on Nov 13 2019, 12:35:06 [12:35:47][C][wifi:409]: WiFi: [12:35:47][C][wifi:277]: SSID: xxxxxxxxxxxxxxx [12:35:47][C][wifi:278]: IP Address: xxxxxxxxxxx [12:35:47][C][wifi:280]: BSSID: xxxxxxxxxxxxxx [12:35:47][C][wifi:281]: Hostname: 'station_bureau' [12:35:47][C][wifi:285]: Signal strength: -41 dB ▂▄▆█ [12:35:47][C][wifi:289]: Channel: 8 [12:35:47][C][wifi:290]: Subnet: [255.255.255.0](https://l.facebook.com/l.php?u=http%3A%2F%2F255.255.255.0%2F%3Ffbclid%3DIwAR2sqTUmEgMfDQ5d0eT-7-WHiPrxmkHXb1zU0useUV-VRhIzGa5bWJUIN0s&h=AT0xiOx820JwhJQV-dRzNaRzY5IQUB2A9Ybz4qOQlQlOmK8DeGaZRiz-Df5hHPip-9bTqNLLBYMCT5bkh70tdPKktfAIiUyhnZoyzkezsrBZ7kCY6tM7SXzakN7AnB618LXjWCNACwUDj67LyeE) [12:35:47][C][wifi:291]: Gateway: [10.0.0.1](https://l.facebook.com/l.php?u=http%3A%2F%2F10.0.0.1%2F&h=AT2NY8BIlcKE9YGny0F3WvLIyQcShkYYpzLs-HsGg9emIOIPymf6_WSN3YKBwY90SpSQ68vKCqof93SkDLfF62hWOmGNCYHiAOTSAnpDBAFObGOtknxpQpDg8ZkY-n0rZX08U4U3CVaFuqeOQi8) [12:35:47][C][wifi:292]: DNS1: [10.0.0.1](https://l.facebook.com/l.php?u=http%3A%2F%2F10.0.0.1%2F&h=AT3oI83s55nX3gIlAX0I1ic2F4VwWt8mw6nIK1ZQ7iHBpu09zwOAExyPt2rt5mQDb8nLCBgU5nsacd2UW2JtznFkuAWMPla_SdvTMyr3oWhDI9iCp70aUdSyFskOnCruL-WyofRieZQrwhYdVQI) [12:35:47][C][wifi:293]: DNS2: (IP unset) [12:35:47][C][i2c:028]: I2C Bus: [12:35:47][C][i2c:029]: SDA Pin: GPIO4 [12:35:47][C][i2c:030]: SCL Pin: GPIO5 [12:35:47][C][i2c:031]: Frequency: 50000 Hz [12:35:47][I][i2c:033]: Scanning i2c bus for active devices... [12:35:47][I][i2c:040]: Found i2c device at address 0x27 [12:35:47][C][uptime.sensor:030]: Uptime Sensor 'Station Bureau Uptime Sensor' [12:35:47][C][uptime.sensor:030]: Unit of Measurement: 's' [12:35:47][C][uptime.sensor:030]: Accuracy Decimals: 0 [12:35:47][C][uptime.sensor:030]: Icon: 'mdi:timer' [12:35:47][C][gpio.binary_sensor:015]: GPIO Binary Sensor 'Station Bureau PIR Sensor' [12:35:47][C][gpio.binary_sensor:015]: Device Class: 'motion' [12:35:47][C][gpio.binary_sensor:016]: Pin: GPIO14 (Mode: INPUT) [12:35:47][C][logger:175]: Logger: [12:35:47][C][logger:176]: Level: DEBUG [12:35:47][C][logger:177]: Log Baud Rate: 115200 [12:35:47][C][logger:178]: Hardware UART: UART0 [12:35:47][C][dht:017]: DHT: [12:35:47][C][dht:018]: Pin: GPIO13 (Mode: INPUT) [12:35:47][C][dht:024]: Model: DHT22 (or equivalent) [12:35:47][C][dht:027]: Update Interval: 30.0s [12:35:47][C][dht:029]: Temperature 'Sation Bureau Température Ambiante' [12:35:47][C][dht:029]: Unit of Measurement: '°C' [12:35:47][C][dht:029]: Accuracy Decimals: 1 [12:35:47][C][dht:029]: Icon: 'mdi:thermometer' [12:35:47][C][dht:030]: Humidity 'Station Bureau Humidité Ambiante' [12:35:47][C][dht:030]: Unit of Measurement: '%' [12:35:47][C][dht:030]: Accuracy Decimals: 0 [12:35:47][C][dht:030]: Icon: 'mdi:water-percent' [12:35:47][C][lcd_pcf8574:023]: PCF8574 LCD Display: [12:35:47][C][lcd_pcf8574:024]: Columns: 20, Rows: 4 [12:35:47][C][lcd_pcf8574:025]: Address: 0x3F [12:35:47][C][lcd_pcf8574:026]: Update Interval: 1.0s [12:35:47][E][lcd_pcf8574:028]: Communication with LCD Display failed! [12:35:47][C][ota:029]: Over-The-Air Updates: [12:35:47][C][ota:030]: Address: station_bureau.local:8266 [12:35:47][C][api:095]: API Server: [12:35:47][C][api:096]: Address: station_bureau.local:6053 [12:35:47][C][sntp:043]: SNTP Time: [12:35:47][C][sntp:044]: Server 1: '0.pool.ntp.org' [12:35:47][C][sntp:045]: Server 2: '1.pool.ntp.org' [12:35:47][C][sntp:046]: Server 3: '2.pool.ntp.org' [12:35:47][C][sntp:047]: Timezone: 'CET-1CEST-2,M3.5.0/2,M10.4.0/3' [12:35:47][C][wifi_signal.sensor:009]: WiFi Signal 'Station Bureau WiFi Signal' [12:35:47][C][wifi_signal.sensor:009]: Unit of Measurement: 'dB' [12:35:47][C][wifi_signal.sensor:009]: Accuracy Decimals: 0 [12:35:47][C][wifi_signal.sensor:009]: Icon: 'mdi:wifi' [12:35:51][D][dht:048]: Got Temperature=20.5°C Humidity=51.6%
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