No answer from JKBMS - Githubissues

Tikaminou commented 1 year ago

Hello, I do my best, but I don’t have any answer from the BMS ☹ Do you have any idea? Thank you for your help.

esp32-wroom-32u

substitutions: name: esphome-jkbms device_description: "Monitor a JK-BMS via UART-TTL" external_components_source: github://syssi/esphome-jk-bms@main tx_pin: GPIO1 rx_pin: GPIO3

esphome: name: ${name} platform: ESP32 board: esp32dev friendly_name: ESPHome JKBMS project: name: "syssi.esphome-jk-bms" version: 1.5.0

external_components:

source: ${external_components_source} refresh: 0s

api: encryption: key: "azerty"

ota: password: "azerty"

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

ap: ssid: "Esphome-Jkbms Fallback Hotspot" password: "azerty"

logger: baud_rate: 0 level: DEBUG

uart: id: uart_0 baud_rate: 115200 rx_buffer_size: 384 tx_pin: ${tx_pin} rx_pin: ${rx_pin} debug: direction: BOTH

jk_modbus:

id: modbus0 uart_id: uart_0 rx_timeout: 50ms

jk_bms:

id: bms0 jk_modbus_id: modbus0 update_interval: 10s

binary_sensor:

platform: jk_bms balancing: name: "${name} balancing"

sensor:

platform: jk_bms min_cell_voltage: name: "${name} min cell voltage" max_cell_voltage: name: "${name} max cell voltage" actual_battery_capacity: name: "${name} actual battery capacity"

INFO ESPHome 2023.8.3 INFO Reading configuration /config/esphome/esphome-jkbms.yaml... INFO Updating https://github.com/syssi/esphome-jk-bms.git@main INFO Starting log output from esphome-jkbms.local using esphome API INFO Successfully connected to esphome-jkbms.local [10:57:08][I][app:102]: ESPHome version 2023.8.3 compiled on Sep 29 2023, 10:30:17 [10:57:08][I][app:104]: Project syssi.esphome-jk-bms version 1.5.0

[10:57:08][C][wifi:379]: Local MAC: A8:42:E3:4B:EA:8C [10:57:08][C][wifi:380]: SSID: 'Freebox-0B7205'[redacted] [10:57:08][C][wifi:381]: IP Address: 192.168.1.15 [10:57:08][C][wifi:383]: BSSID: 3A:07:16:A0:4E:D4[redacted]

[10:57:08][C][wifi:386]: Signal strength: -66 dB ▂▄▆█ [10:57:08][C][wifi:390]: Channel: 6 [10:57:08][C][wifi:391]: Subnet: 255.255.255.0 [10:57:08][C][wifi:392]: Gateway: 192.168.1.254 [10:57:08][C][wifi:393]: DNS1: 192.168.1.254 [10:57:08][C][wifi:394]: DNS2: 0.0.0.0

[10:57:08][C][logger:302]: Level: DEBUG [10:57:08][C][logger:303]: Log Baud Rate: 0 [10:57:08][C][logger:305]: Hardware UART: UART0 [10:57:08][C][uart.arduino_esp32:124]: UART Bus 0: [10:57:08][C][uart.arduino_esp32:125]: TX Pin: GPIO1 [10:57:08][C][uart.arduino_esp32:126]: RX Pin: GPIO3 [10:57:08][C][uart.arduino_esp32:128]: RX Buffer Size: 384 [10:57:08][C][uart.arduino_esp32:130]: Baud Rate: 115200 baud [10:57:08][C][uart.arduino_esp32:131]: Data Bits: 8 [10:57:08][C][uart.arduino_esp32:132]: Parity: NONE [10:57:08][C][uart.arduino_esp32:133]: Stop bits: 1

[10:57:08][C][jk_modbus:114]: RX timeout: 50 ms

[10:57:08][C][jk_bms:594]: Address: 0x4E [10:57:08][C][jk_bms:595]: Fake traffic enabled: NO [10:57:08][C][jk_bms:596]: Minimum Cell Voltage 'esphome-jkbms min cell voltage' [10:57:08][C][jk_bms:596]: Device Class: 'voltage' [10:57:08][C][jk_bms:596]: State Class: 'measurement' [10:57:08][C][jk_bms:596]: Unit of Measurement: 'V' [10:57:08][C][jk_bms:596]: Accuracy Decimals: 3 [10:57:08][C][jk_bms:597]: Maximum Cell Voltage 'esphome-jkbms max cell voltage' [10:57:08][C][jk_bms:597]: Device Class: 'voltage' [10:57:08][C][jk_bms:597]: State Class: 'measurement' [10:57:08][C][jk_bms:597]: Unit of Measurement: 'V' [10:57:08][C][jk_bms:597]: Accuracy Decimals: 3

[10:57:08][C][mdns:113]: Hostname: esphome-jkbms [10:57:08][C][ota:093]: Over-The-Air Updates: [10:57:08][C][ota:094]: Address: esphome-jkbms.local:3232 [10:57:08][C][ota:097]: Using Password. [10:57:08][C][api:138]: API Server: [10:57:08][C][api:139]: Address: esphome-jkbms.local:6053 [10:57:08][C][api:141]: Using noise encryption: YES [10:57:10][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [10:57:20][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [10:57:30][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [10:57:40][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28

I unplugged from the BMS and put a wire between TX & RX: [10:39:40][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [10:39:40][I][jk_bms:071]: Status frame received [10:39:40][D][sensor:094]: 'esphome-jkbms min cell voltage': Sending state 100.00000 V with 3 decimals of accuracy [10:39:40][D][sensor:094]: 'esphome-jkbms max cell voltage': Sending state -100.00000 V with 3 decimals of accuracy [10:39:40][D][binary_sensor:036]: 'esphome-jkbms balancing': Sending state OFF [10:39:40][D][sensor:094]: 'esphome-jkbms actual battery capacity': Sending state 0.00000 Ah with 0 decimals of accuracy [10:39:40][D][uart_debug:114]: <<< 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28

Remark: could you please confirm that I don’t need this device between the ESP32 and the JKBMS?

donulf commented 11 months ago

same exact issue here :-( I have an esp32-wroom-32 board too. after confirm successful installation, my log says:

[13:09:37][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:09:42][D][binary_sensor:036]: 'jk-bms online status': Sending state OFF [13:09:42][D][text_sensor:064]: 'jk-bms errors': Sending state 'Offline' [13:09:42][D][sensor:094]: 'jk-bms min cell voltage': Sending state nan V with 3 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms max cell voltage': Sending state nan V with 3 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms min voltage cell': Sending state nan with 0 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms max voltage cell': Sending state nan with 0 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms delta cell voltage': Sending state nan V with 3 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms average cell voltage': Sending state nan V with 3 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms power tube temperature': Sending state nan °C with 0 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms temperature sensor 1': Sending state nan °C with 0 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms temperature sensor 2': Sending state nan °C with 0 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms total voltage': Sending state nan V with 2 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms current': Sending state nan A with 2 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms power': Sending state nan W with 2 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms charging power': Sending state nan W with 2 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms discharging power': Sending state nan W with 2 decimals of accuracy [13:09:42][D][sensor:094]: 'jk-bms capacity remaining': Sending state nan % with 0 decimals of accuracy [13:09:42][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:09:47][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:09:52][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:09:57][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:10:03][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:10:08][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:10:12][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 [13:10:17][D][uart_debug:114]: >>> 4E:57:00:13:00:00:00:00:06:02:00:00:00:00:00:00:68:00:00:01:28 and so on

Tikaminou commented 11 months ago

Hello, Issue solved: My JKBMS GPS port not working (but it is maybe my fault :)). I tried with another JKBMS, it works, without any modification of the EPS32 hardware nor ESPhome software. Regards.

braincore commented 5 months ago

@Tikaminou How did you conclude that it's your GPS port? I've measured my TX via an oscilloscope to verify its correctness, but I don't see any RX.

Tikaminou commented 4 months ago

Hello Braincore, unfortunately I am not an expert. I had no more idea so I bought another JKBMS and It works. I conclude that the issue was related to the JKBMS/GPS port.

syssi commented 2 months ago

I've recently learned the USB-to-TTL connector attached to GPIO1/GPIO3 causes the issue pretty often. Please use GPIOs which aren't attached to other chips on your dev board.

syssi / esphome-jk-bms

No answer from JKBMS #377