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mics_4514 not reporting data #4268

Open villasenor opened 1 year ago

villasenor commented 1 year ago

The problem

I want to use the mics_4514 from DFRobot to detect various gasses. I have it hooked up to a firebeetle 2 ESP32-E, and it all seems to be recognized, but I'm not seeing it register any actual detection of gasses in response to those gasses being present. I know there is a warm-up time, but this is the case even 24 hours after it has been online.

image

Which version of ESPHome has the issue?

2023.2.4

What type of installation are you using?

Home Assistant Add-on

Which version of Home Assistant has the issue?

2023.2.5

What platform are you using?

ESP32

Board

firebeetle 2

Component causing the issue

mics_4514

Example YAML snippet

esphome:
  name: room-esp32
  friendly_name: room-esp32

esp32:
  board: esp32dev

# Enable logging
logger:

i2c:

# Enable Home Assistant API
api:
  encryption:
    key: "password"

ota:
  password: "password"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "room-Esp32 Fallback Hotspot"
    password: "password"

captive_portal:

sensor:
  - platform: mics_4514
    nitrogen_dioxide:
      name: Nitrogen Dioxide
      unit_of_measurement: PPM
      accuracy_decimals: 2
    carbon_monoxide:
      name: Carbon Monoxide
      unit_of_measurement: PPM
      accuracy_decimals: 2
    hydrogen:
      name: Hydrogen
      unit_of_measurement: PPM
      accuracy_decimals: 2
    ethanol:
      name: Ethanol
      unit_of_measurement: PPM
      accuracy_decimals: 2
    methane:
      name: Methane
      unit_of_measurement: PPM
      accuracy_decimals: 2
    ammonia:
      name: Ammonia
      unit_of_measurement: PPM
      accuracy_decimals: 2
    update_interval: 60s

Anything in the logs that might be useful for us?

INFO Reading configuration /config/esphome/room-esp32.yaml...
INFO Starting log output from room-esp32.local using esphome API
INFO Successfully connected to room-esp32.local
[09:26:59][I][app:102]: ESPHome version 2023.2.4 compiled on Feb 26 2023, 20:29:59
[09:26:59][C][wifi:504]: WiFi:
[09:26:59][C][wifi:362]:   Local MAC: 08:3A:J1:14:2A:DC
[09:26:59][C][wifi:363]:   SSID: [redacted]
[09:26:59][C][wifi:364]:   IP Address: 192.168.1.2
[09:26:59][C][wifi:366]:   BSSID: [redacted]
[09:26:59][C][wifi:367]:   Hostname: 'room-esp32'
[09:26:59][C][wifi:369]:   Signal strength: -76 dB ▂▄▆█
[09:26:59][C][wifi:373]:   Channel: 11
[09:26:59][C][wifi:374]:   Subnet: 255.255.255.0
[09:26:59][C][wifi:375]:   Gateway: 192.168.1.1
[09:26:59][C][wifi:376]:   DNS1: 1.1.1.1
[09:26:59][C][wifi:377]:   DNS2: 0.0.0.0
[09:26:59][C][logger:293]: Logger:
[09:26:59][C][logger:294]:   Level: DEBUG
[09:26:59][C][logger:295]:   Log Baud Rate: 115200
[09:26:59][C][logger:296]:   Hardware UART: UART0
[09:26:59][C][i2c.arduino:052]: I2C Bus:
[09:26:59][C][i2c.arduino:053]:   SDA Pin: GPIO21
[09:26:59][C][i2c.arduino:054]:   SCL Pin: GPIO22
[09:26:59][C][i2c.arduino:055]:   Frequency: 50000 Hz
[09:26:59][C][i2c.arduino:058]:   Recovery: bus successfully recovered
[09:26:59][I][i2c.arduino:068]: Results from i2c bus scan:
[09:26:59][I][i2c.arduino:074]: Found i2c device at address 0x75
[09:26:59][C][mics_4514:035]: MICS 4514:
[09:26:59][C][mics_4514:036]:   Address: 0x75
[09:26:59][C][mics_4514:037]:   Update Interval: 60.0s
[09:26:59][C][mics_4514:038]:   Nitrogen Dioxide 'Nitrogen Dioxide'
[09:26:59][C][mics_4514:038]:     State Class: 'measurement'
[09:26:59][C][mics_4514:038]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:038]:     Accuracy Decimals: 2
[09:26:59][C][mics_4514:039]:   Carbon Monoxide 'Carbon Monoxide'
[09:26:59][C][mics_4514:039]:     State Class: 'measurement'
[09:26:59][C][mics_4514:039]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:039]:     Accuracy Decimals: 2
[09:26:59][C][mics_4514:040]:   Methane 'Methane'
[09:26:59][C][mics_4514:040]:     State Class: 'measurement'
[09:26:59][C][mics_4514:040]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:040]:     Accuracy Decimals: 2
[09:26:59][C][mics_4514:041]:   Ethanol 'Ethanol'
[09:26:59][C][mics_4514:041]:     State Class: 'measurement'
[09:26:59][C][mics_4514:041]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:041]:     Accuracy Decimals: 2
[09:26:59][C][mics_4514:042]:   Hydrogen 'Hydrogen'
[09:26:59][C][mics_4514:042]:     State Class: 'measurement'
[09:26:59][C][mics_4514:042]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:042]:     Accuracy Decimals: 2
[09:26:59][C][mics_4514:043]:   Ammonia 'Ammonia'
[09:26:59][C][mics_4514:043]:     State Class: 'measurement'
[09:26:59][C][mics_4514:043]:     Unit of Measurement: 'PPM'
[09:26:59][C][mics_4514:043]:     Accuracy Decimals: 2
[09:26:59][C][captive_portal:088]: Captive Portal:
[09:26:59][C][mdns:108]: mDNS:
[09:26:59][C][mdns:109]:   Hostname: room-esp32
[09:26:59][C][ota:093]: Over-The-Air Updates:
[09:26:59][C][ota:094]:   Address: room-esp32.local:3232
[09:26:59][C][ota:097]:   Using Password.
[09:26:59][C][api:138]: API Server:
[09:26:59][C][api:139]:   Address: room-esp32.local:6053
[09:26:59][C][api:141]:   Using noise encryption: YES

Additional information

I have a FireBeetle 2 ESP32-E - the firebeetle32 board type does not work (won't build), and the dfrobot_firebeetle2_esp32s3 board type doesn't work with i2c (esp32s3 isn't supported...but I think this board is an ESP32-E anyway). Because of this, I use the esp32dev board type. The gas sensor board is the Gravity: MEMS Gas Sensor (CO, Alcohol, NO2 & NH3) - I2C - MiCS-4514.

sjwright commented 1 year ago

I'm in the same situation. My board is a Wemos D1 Mini Compatible ESP32.

[23:40:21][I][app:102]: ESPHome version 2023.3.2 compiled on Apr 18 2023, 23:39:42
[23:40:21][C][wifi:504]: WiFi:
[23:40:21][C][wifi:362]:   Local MAC: 9C:9C:1F:C5:65:20
[23:40:21][C][wifi:363]:   SSID: [redacted]
[23:40:21][C][wifi:364]:   IP Address: [redacted]
[23:40:21][C][wifi:366]:   BSSID: [redacted]
[23:40:21][C][wifi:367]:   Hostname: 'gas-sensor'
[23:40:21][C][wifi:369]:   Signal strength: -55 dB ▂▄▆█
[23:40:21][C][wifi:373]:   Channel: 1
[23:40:21][C][wifi:374]:   Subnet: 255.255.255.0
[23:40:21][C][wifi:375]:   Gateway: [redacted]
[23:40:21][C][wifi:376]:   DNS1: [redacted]
[23:40:21][C][wifi:377]:   DNS2: 0.0.0.0
[23:40:21][C][logger:293]: Logger:
[23:40:21][C][logger:294]:   Level: DEBUG
[23:40:21][C][logger:295]:   Log Baud Rate: 0
[23:40:21][C][logger:296]:   Hardware UART: UART0
[23:40:22][C][i2c.arduino:052]: I2C Bus:
[23:40:22][C][i2c.arduino:053]:   SDA Pin: GPIO21
[23:40:22][C][i2c.arduino:054]:   SCL Pin: GPIO22
[23:40:22][C][i2c.arduino:055]:   Frequency: 50000 Hz
[23:40:22][C][i2c.arduino:058]:   Recovery: bus successfully recovered
[23:40:22][I][i2c.arduino:068]: Results from i2c bus scan:
[23:40:22][I][i2c.arduino:074]: Found i2c device at address 0x75
[23:40:22][C][uptime.sensor:031]: Uptime Sensor 'Gas Sensor Node Uptime'
[23:40:22][C][uptime.sensor:031]:   Device Class: 'duration'
[23:40:22][C][uptime.sensor:031]:   State Class: 'total_increasing'
[23:40:22][C][uptime.sensor:031]:   Unit of Measurement: 's'
[23:40:22][C][uptime.sensor:031]:   Accuracy Decimals: 0
[23:40:22][C][uptime.sensor:031]:   Icon: 'mdi:timer-outline'
[23:40:22][C][mics_4514:035]: MICS 4514:
[23:40:22][C][mics_4514:036]:   Address: 0x75
[23:40:22][C][mics_4514:037]:   Update Interval: 20.0s
[23:40:22][C][mics_4514:038]:   Nitrogen Dioxide 'Gas Sensor Nitrogen Dioxide'
[23:40:22][C][mics_4514:038]:     State Class: 'measurement'
[23:40:22][C][mics_4514:038]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:038]:     Accuracy Decimals: 2
[23:40:22][C][mics_4514:039]:   Carbon Monoxide 'Gas Sensor Carbon Monoxide'
[23:40:22][C][mics_4514:039]:     State Class: 'measurement'
[23:40:22][C][mics_4514:039]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:039]:     Accuracy Decimals: 2
[23:40:22][C][mics_4514:040]:   Methane 'Gas Sensor Methane'
[23:40:22][C][mics_4514:040]:     State Class: 'measurement'
[23:40:22][C][mics_4514:040]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:040]:     Accuracy Decimals: 2
[23:40:22][C][mics_4514:041]:   Ethanol 'Gas Sensor Ethanol'
[23:40:22][C][mics_4514:041]:     State Class: 'measurement'
[23:40:22][C][mics_4514:041]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:041]:     Accuracy Decimals: 2
[23:40:22][C][mics_4514:042]:   Hydrogen 'Gas Sensor Hydrogen'
[23:40:22][C][mics_4514:042]:     State Class: 'measurement'
[23:40:22][C][mics_4514:042]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:042]:     Accuracy Decimals: 2
[23:40:22][C][mics_4514:043]:   Ammonia 'Gas Sensor Ammonia'
[23:40:22][C][mics_4514:043]:     State Class: 'measurement'
[23:40:22][C][mics_4514:043]:     Unit of Measurement: 'ppm'
[23:40:22][C][mics_4514:043]:     Accuracy Decimals: 2
[23:40:22][C][status:034]: Status Binary Sensor 'Gas Sensor Node Status'
[23:40:22][C][status:034]:   Device Class: 'connectivity'
[23:40:22][C][restart.button:017]: Restart Button 'Gas Sensor Node Restart'
[23:40:22][C][mdns:108]: mDNS:
[23:40:22][C][mdns:109]:   Hostname: gas-sensor
[23:40:22][C][ota:093]: Over-The-Air Updates:
[23:40:22][C][ota:094]:   Address: gas-sensor.local:3232
[23:40:22][C][ota:097]:   Using Password.
[23:40:22][C][api:138]: API Server:
[23:40:22][C][api:139]:   Address: gas-sensor.local:6053
[23:40:22][C][api:141]:   Using noise encryption: YES
[23:40:22][C][wifi_signal.sensor:009]: WiFi Signal 'Gas Sensor Wifi Signal'
[23:40:22][C][wifi_signal.sensor:009]:   Device Class: 'signal_strength'
[23:40:22][C][wifi_signal.sensor:009]:   State Class: 'measurement'
[23:40:22][C][wifi_signal.sensor:009]:   Unit of Measurement: 'dBm'
[23:40:22][C][wifi_signal.sensor:009]:   Accuracy Decimals: 0
[23:40:28][D][sensor:127]: 'Gas Sensor Carbon Monoxide': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Carbon Monoxide': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Nitrogen Dioxide': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Nitrogen Dioxide': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Methane': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Methane': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Ethanol': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Ethanol': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Hydrogen': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Hydrogen': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Ammonia': Sending state 0.00000 ppm with 2 decimals of accuracy
[23:40:28][D][sensor:127]: 'Gas Sensor Ammonia': Sending state 0.00000 ppm with 2 decimals of accuracy
villasenor commented 1 year ago

@jesserockz - We discussed this in Discord - I tested with a lighter, and I'm still having this issue. Looks like @sjwright is having the same issue. I don't think it is a calibration issue - something else is happening. What would be the best way to start troubleshooting this? Happy to gather data for you.

Lou-Menz commented 1 year ago

Same here. I2c device detected at address 0x75, but no data.

ryuzaki-ryuga commented 1 year ago

Same as well at address 0x75 also no data. Curious I'm using a AirGradient pro kit and using the extra i2c pins on the board for the mems-4514 if anyone is in the same situation

jesserockz commented 1 year ago

Please set logs to VERBOSE and post the line that is like:

   [mics_4514] Got data: %02X %02X %02X %02X %02X %02X
Lou-Menz commented 1 year ago

@jesserockz -

After 10 minute warm up period:

[11:03:38][V][mics_4514:056]: Got data: 00 4A 00 EC 03 58 [11:03:38][V][sensor:043]: 'Carbon Monoxide': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Carbon Monoxide': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][V][sensor:043]: 'Nitrogen Dioxide': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Nitrogen Dioxide': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][V][sensor:043]: 'Methane': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Methane': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][V][sensor:043]: 'Ethanol': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Ethanol': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][V][sensor:043]: 'Hydrogen': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Hydrogen': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][V][sensor:043]: 'Ammonia': Received new state 0.000000 [11:03:38][D][sensor:094]: 'Ammonia': Sending state 0.00000 ppm with 2 decimals of accuracy [11:03:38][W][component:204]: Component mics_4514.sensor took a long time for an operation (0.11 s). [11:03:38][W][component:205]: Components should block for at most 20-30ms.

esp32: board: mhetesp32minikit

i2c:

sensor:

Powered by 5v external supply

Coldness00 commented 1 year ago

Hello, Any news on this topic? I'm experiencing same issue with d1mini

owengrey commented 1 year ago

This works for me:

i2c: id: bus_a sda: GPIO8 # ESP32-C3 MINI scl: GPIO9 scan: True

Example configuration entry

sensor:

It will not show any readings unless it senses it, make sure you have some gas to try, i used carbon monoxide alarm test kit.

Lou-Menz commented 1 year ago

It will not show any readings unless it senses it, make sure you have some gas to try, i used carbon monoxide alarm test kit.

Thanks owengrey.

I'll get a test kit and try it out.

ev5unleash commented 11 months ago

Bumping this. Having almost the same issue except mine it intermittent.

I double checked the cabling and everything tests fine.

Like others, the device is always detected. However I either receive 0 for all values, 1 value for Nitrogen, or rarely all values. Resetting the ESP seems to help at times.

cjsteward07 commented 10 months ago

I'm having the same issue. After reading the Datasheet I'm wondering if adding a housing and a filter like this would help. Maybe there's excessive airflow, humidity, dust, or whatever else messing with the resistance and calibration? This is the article I pulled that picture from, it has a bit more information on the importance of blocking airflow and adding a filter. Here's another interesting study on filter material for gas sensors.

Sources:
Datasheet
Additional Info
Filter Study

dominikaherbst commented 3 months ago

Any update? I also purchased this sensor from DFrobots (the expensive one with I2C interface) and noticed this issue after setting it up. 0.00 ppm everywhere. Even after hours and placing an ethanol wipe right next to it (SGP30 and SGP41 go crazy).

dominikaherbst commented 3 months ago

I found this on youtube .... https://www.youtube.com/watch?v=ZAFYBPJMd2M https://github.com/makertut/esphome-air-sensors

Unfortunately, I couldn't make it work. I cloned the git repository to HA ... validation and compiling worked, but then the esp couldn't be reached anymore ...

dominikaherbst commented 3 months ago

Ok, I figured it out ... It is just a not a very sensitive sensor ... I switched through the addresses. After switching to 0x78, it showed again 0.00 ppm for everything, but then I put the sensor in a glass in which I had extinguished the flame of a lighter. Everything maxed out except for NO2. I tested it with kitchen paper soaked in 99% EtOH, again - same result on_ethanol. Then I reduced the readout time. If you let it sit for quite a while everything seems to decrease in a similar manner (not scientifically tested). Then I looked at the datasheet and it says that it has two sensors: An ox sensor and a red sensor. After some testing, I have the feeling that it has not much sensitivity to individual gases at all. It is quite unspecific and seems to detect something only after giving it a blast of a gas mixture. Thus, a reading for one of the gases does not really mean that the gas is present. For the price I am very disappointed ... It turned out that an SGP30 sensor, which was close by, reacted much more sensitive when It did the tests. Of course it doesn't tell you which gas it detects, but it seems like the MiCS-4514 also does not really do that very well ...