The nodemcu does not receive any info from the bms. UART connection is definitely correct. I have all the files such communication protocol and bms wiring diagram if someone would like to have it. I hope someone would help me. I have no idea how to configure the core configuration.
Which version of ESPHome has the issue?
2023.12.9
What type of installation are you using?
Home Assistant Add-on
Which version of Home Assistant has the issue?
2024.2.0
What platform are you using?
ESP8266
Board
nodemcuv2
Component causing the issue
No response
Example YAML snippet
esphome:
name: nodemcuv3-1
esp8266:
board: nodemcuv2
# Enable logging
logger:
# Enable Home Assistant API
api:
web_server:
ota:
password: "a35e5982e34c323e347f4e7fae976cdf"
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "Nodemcuv3-1 Fallback Hotspot"
password: "jUOA4ifP8Wqp"
captive_portal:
uart:
tx_pin: TX
rx_pin: RX
baud_rate: 9600
rx_buffer_size: 512
daly_bms:
update_interval: 10s
binary_sensor:
- platform: daly_bms
charging_mos_enabled:
name: "Daly Charging MOS"
id: bin_daly_chg_mos # binary MOS sensor must have ID to use with switch
internal: True # but you can make it internal to avoid duplication
discharging_mos_enabled:
name: "Daly Discharging MOS"
id: bin_daly_dischg_mos # binary MOS sensor must have ID to use with switch
internal: True # but you can make it internal to avoid duplication
sensor:
- platform: daly_bms
voltage:
name: "Battery Voltage"
current:
name: "Battery Current"
battery_level:
name: "Battery Level"
max_cell_voltage:
name: "Max Cell Voltage"
max_cell_voltage_number:
name: "Max Cell Voltage Number"
min_cell_voltage:
name: "Min Cell Voltage"
min_cell_voltage_number:
name: "Min Cell Voltage Number"
max_temperature:
name: "Max Temperature"
max_temperature_probe_number:
name: "Max Temperature Probe Number"
min_temperature:
name: "Min Temperature"
min_temperature_probe_number:
name: "Min Temperature Probe Number"
remaining_capacity:
name: "Remaining Capacity"
cells_number:
name: "Cells Number"
temperature_1:
name: "Temperature 1"
temperature_2:
name: "Temperature 2"
cell_1_voltage:
name: "Cell 1 Voltage"
cell_2_voltage:
name: "Cell 2 Voltage"
cell_3_voltage:
name: "Cell 3 Voltage"
cell_4_voltage:
name: "Cell 4 Voltage"
cell_5_voltage:
name: "Cell 5 Voltage"
cell_6_voltage:
name: "Cell 6 Voltage"
text_sensor:
- platform: daly_bms
status:
name: "BMS Status"
switch:
- platform: template
name: "Daly Charging MOS"
lambda: |-
if (id(bin_daly_chg_mos).state) {
return true;
} else {
return false;
}
turn_on_action:
- uart.write:
data: [0xA5, 0x40, 0xDA, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC8]
- logger.log:
format: "Send cmd to Daly: Set charge MOS on"
turn_off_action:
- uart.write:
data: [0xA5, 0x40, 0xDA, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC7]
- logger.log:
format: "Send cmd to Daly: Set charge MOS off"
- platform: template
name: "Daly Discharging MOS"
lambda: |-
if (id(bin_daly_dischg_mos).state) {
return true;
} else {
return false;
}
turn_on_action:
- uart.write:
data: [0xA5, 0x40, 0xD9, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC7]
- logger.log:
format: "Send cmd to Daly: Set discharge MOS on"
turn_off_action:
- uart.write:
data: [0xA5, 0x40, 0xD9, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC6]
- logger.log:
format: "Send cmd to Daly: Set discharge MOS off"
The problem
The nodemcu does not receive any info from the bms. UART connection is definitely correct. I have all the files such communication protocol and bms wiring diagram if someone would like to have it. I hope someone would help me. I have no idea how to configure the core configuration.
Which version of ESPHome has the issue?
2023.12.9
What type of installation are you using?
Home Assistant Add-on
Which version of Home Assistant has the issue?
2024.2.0
What platform are you using?
ESP8266
Board
nodemcuv2
Component causing the issue
No response
Example YAML snippet
Anything in the logs that might be useful for us?
No response
Additional information
No response