The FTDI chip is connected to the board. Using the power from the adapter the MCU sock gets 3.3V and therefore. The full output of the log is showed. From the logs its clear that the company tuya are the PCB designers and also the software developers. Also, its stated that a electro cirkel is importing this product. After some Google searches, its clear that Tuya sells RGB+white colour LEDS.
[01-01 01:42:01 TUYA Notice][uni_work_queue.c:146] work_queue add task:423cd0
[01-01 01:42:01 TUYA Notice][gw_intf.c:6391] gw is long time(60) disconnected to router/failed to connect mqtt,now go to reconnect
PS C:\Users\marti> plink -serial COM15 -sercfg 115200,8,1,n,n
V:BK7231S_1.0.6
CPSR:000000D3
R0:84808630
R1:55210597
R2:DF6E97FF
R3:0C7DEBBF
R4:7EAF1D32
R13:6FF9F7FF
R14(LR):FD5DBEBE
ST:272D7D56
J 0x10000
prvHeapInit-start addr:0x4205f8, size:129544
[01-01 18:12:15 TUYA Debug][light_control.c:549] light way 4
[01-01 18:12:15 TUYA Debug][light_control.c:569] light def color 1
[01-01 18:12:15 TUYA Debug][light_control.c:615] light net color 1
[01-01 18:12:15 TUYA Debug][user_pwm.c:104] no ctrl pin!
[01-01 18:12:15 TUYA Debug][soc_flash.c:161] file name 1
[01-01 18:12:15 TUYA Debug][soc_flash.c:81] uf open OK
[01-01 18:12:15 TUYA Debug][soc_flash.c:83] uf file 1 read data 2575!
bk_rst:0 tuya_rst:0[01-01 18:12:15 TUYA Debug][light_system.c:162] reset info -> reason is 0
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 0:000e0d0000000000000000c80000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 1:010e0d0000000000000003e801f4
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 2:020e0d0000000000000003e803e8
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 3:030e0d0000000000000001f401f4
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 4:04464602007803e803e800000000464602007803e8000a00000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 5:05464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 6:06464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 7:07464602000003e803e800000000464602007803e803e80000000046460200f003e803e800000000464602003d03e803e80000000046460200ae03e803e800000000464602011303e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 8:08464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 9:09464602000003e803e800000000464602007803e803e80000000046460200f003e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 10:0a464602000003e803e800000000464602007803e803e80000000046460200f003e803e800000000464602003d03e803e80000000046460200ae03e803e800000000464602011303e803e800000000
[01-01 18:12:15 TUYA Debug][light_control.c:690] scene 11:0b464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000464601003d03e803e80000000046460100ae03e803e800000000464601011303e803e800000000
[01-01 18:12:15 TUYA Notice][light_system.c:1018] goto first bright up!
[01-01 18:12:15 TUYA Debug][light_control.c:2223] current mode 0
[01-01 18:12:15 TUYA Debug][light_control.c:1899] stop scene time!!!!!
[01-01 18:12:15 TUYA Debug][light_control.c:1034] Bright 1000
[01-01 18:12:15 TUYA Debug][light_control.c:1039] cw limit proc
[01-01 18:12:15 TUYA Debug][light_control.c:1042] usBrightTmep 1000
[01-01 18:12:15 TUYA Debug][light_control.c:1047] usBrightTmep 1000
[01-01 18:12:15 TUYA Debug][light_control.c:1136] set bright 1000 temper 0,calc ctrl data 0 0 0 0 1000
[01-01 18:12:15 TUYA Debug][light_control.c:2289] 0 0 0 0 1000
[01-01 18:12:15 TUYA Debug][light_control.c:752] start shade >>>
bk_rst:0 tuya_rst:0[01-01 18:12:15 TUYA Debug][light_system.c:162] reset info -> reason is 0
[01-01 18:12:15 TUYA Debug][light_control.c:2733] Light hardware reboot, turn on light!
[01-01 18:12:15 TUYA Debug][soc_flash.c:161] file name 0
[01-01 18:12:15 TUYA Debug][soc_flash.c:81] uf open OK
[01-01 18:12:15 TUYA Debug][soc_flash.c:83] uf file 0 read data 1!
[01-01 18:12:15 TUYA Debug][light_control.c:2739] read reset cnt 1
[01-01 18:12:15 TUYA Debug][light_control.c:2748] start reset cnt clear timer!!!!!
[01-01 18:12:15 TUYA Err][base_event.c:150] call entry->cb(data) return 923159
[01-01 18:12:15 TUYA Err][base_event.c:312] call _event_node_dispatch(event, data) return 923159
[01-01 18:12:15 TUYA Info][mqc_app.c:175] mqc app init ...
[01-01 18:12:15 TUYA Info][sf_mqc_cb.c:42] register mqc app callback
[01-01 18:12:15 TUYA Debug][mqc_app.c:118] mq_pro:5 mqc_handler_cnt:1
[01-01 18:12:15 TUYA Debug][mqc_app.c:118] mq_pro:31 mqc_handler_cnt:2
[01-01 18:12:15 TUYA Debug][uni_thread.c:215] Thread:sys_timer Exec Start. Set to Running Status
[01-01 18:12:15 TUYA Debug][log_seq.c:732] read from uf. max:0 first:0 last:0
[01-01 18:12:15 TUYA Debug][svc_online_log.c:288] svc online log init success
[01-01 18:12:15 TUYA Err][tuya_ws_db.c:314] kvs_read fails gw_bi -1
[01-01 18:12:15 TUYA Err][ws_db_gw.c:111] gw base read fails -935
[01-01 18:12:15 TUYA Debug][tuya_bt_sdk.c:89] ty bt cmmod register finish 1
[01-01 18:12:15 TUYA Debug][tuya_ble_api.c:301] ble sdk inited
!!!!!!!!!!tuya_bt_port_init
[01-01 18:12:15 TUYA Debug][tuya_ble_api.c:337] ble sdk re_inited
[01-01 18:12:15 TUYA Notice][tuya_bt_sdk.c:130] ty bt sdk init success finish
[01-01 18:12:15 TUYA Notice][simple_flash.c:432] key_addr: 0x1ee000 block_sz 4096
[01-01 18:12:15 TUYA Notice][simple_flash.c:500] get key:
0xcb 0x4e 0x3e 0xa4 0x0 0x30 0x9d 0xab 0x65 0x6d 0x8d 0xbf 0xe4 0xb9 0x3f 0x35
[01-01 18:12:15 TUYA Notice][tuya_main.c:334] **********[oem_bk7231s_light_ffc_ir_key_td] [1.1.6] compiled at Mar 22 2021 19:27:12**********
[bk]tx_txdesc_flush
user define rfcali mode:0
rfcali_mode:0, 1
tssi:b-127, g-118, n20-114, n40-107
temp in flash is:280
xtal in flash is:0
Initializing TCP/IP stack
[01-01 18:12:15 TUYA Notice][tuya_main.c:360] have actived over 15 min, not enter mf_init
[01-01 18:12:15 TUYA Notice][tuya_main.c:364] mf_init succ
[01-01 18:12:15 TUYA Notice][light_system.c:1079] < TUYA IOT SDK V:1.0.8 BS:40.00_PT:2.2_LAN:3.3_CAD:1.0.2_CD:1.0.0 >
< BUILD AT:2021_02_05_22_22_41 BY embed FOR ty_iot_wf_bt_sdk_bk AT bk7231t >
IOT DEFS < WIFI_GW:1 DEBUG:1 KV_FILE:0 SHUTDOWN_MODE:0 LI[01-01 18:12:15 TUYA Notice][light_system.c:1080] oem_bk7231s_light_ffc_ir_key_td:1.1.6
[01-01 18:12:15 TUYA Notice][light_system.c:1183] differ init
[01-01 18:12:15 TUYA Notice][light_button.c:379] button init
[01-01 18:12:15 TUYA Notice][tuya_demo.c:137] tuya_infrared_init enter.....
[01-01 18:12:15 TUYA Notice][tuya_demo.c:126] start decode timer.
[01-01 18:12:15 TUYA Notice][device_config_load.c:294] device config data already load! Don't load again!!
[01-01 18:12:15 TUYA Notice][light_set_color.c:113] Drive init already init ok
[01-01 18:12:15 TUYA Notice][light_system.c:1159] connect mode is 3
[01-01 18:12:15 TUYA Err][uf_flash_file_app.c:266] uf_open 2 err 8
[01-01 18:12:15 TUYA Err][soc_flash.c:77] uf file 2 can't open and read data!
[01-01 18:12:15 TUYA Err][user_flash.c:141] Production data read error!
[01-01 18:12:15 TUYA Notice][tuya_main.c:114] have actived over 15 min, not enter mf_init
[01-01 18:12:15 TUYA Notice][light_system.c:938] frame goto init!
[01-01 18:12:16 TUYA Notice][gw_intf.c:3671] serial_no:7cf6664b352d
[01-01 18:12:16 TUYA Notice][gw_intf.c:3706] gw_cntl.gw_wsm.stat:1
[01-01 18:12:16 TUYA Notice][gw_intf.c:3709] gw_cntl.gw_wsm.nc_tp:2
[01-01 18:12:16 TUYA Notice][gw_intf.c:3710] gw_cntl.gw_wsm.md:0
[01-01 18:12:16 TUYA Notice][gw_intf.c:3754] gw_cntl.gw_if.abi:0 input:0
[01-01 18:12:16 TUYA Notice][gw_intf.c:3755] gw_cntl.gw_if.product_key:keyqwsdet7drnvue, input:keyqwsdet7drnvue
[01-01 18:12:16 TUYA Notice][gw_intf.c:3756] gw_cntl.gw_if.tp:0, input:0
[01-01 18:12:16 TUYA Notice][gw_intf.c:3758] gw_cntl.gw_if.firmware_key:keyqwsdet7drnvue, input:keyqwsdet7drnvue
[01-01 18:12:16 TUYA Notice][tuya_bt_sdk.c:148] ty bt update product:keyqwsdet7drnvue 1
[01-01 18:12:16 TUYA Notice][light_system.c:947] frame init out!
[01-01 18:12:16 TUYA Notice][light_system.c:953] frame init ok!
ssid:SmartLife-352D key: channnel: 6
[bk]tx_txdesc_flush
me_set_ps_disable:840 0 0 0 467769 932748
------beacon_int_set:100 TU
set_active param 0
[msg]APM_STOP_CFM
update_ongoing_1_bcn_update
update_ongoing_1_bcn_update
oper_state: state 0, operstate 1
enter low level!
mac 7c:f6:66:4b:35:2c
leave low level!
configuring interface uap (with Static IP)!!!!!!!!!!tuya_bt_reset_adv
[01-01 18:12:16 TUYA Notice][tuya_ble_api.c:398] ble adv && resp changed
gapm_cmp_evt_handler operation = 0x1, status = 0x0
gapm_cmp_evt_handler operation = 0x3, status = 0x0
STACK INIT OK
ble create new db
ble_env->start_hdl = 0x7gapm_cmp_evt_handler operation = 0x1b, status = 0x0
CREATE DB SUCCESS
!!!!!!!!!!tuya_bt_reset_adv
[01-01 18:12:16 TUYA Notice][tuya_ble_api.c:398] ble adv && resp changed
!!!!!!!!!!tuya_before_netcfg_cb
appm start advertising
[01-01 18:12:17 TUYA Notice][light_system.c:197] last wifi stat:255, wifi stat 2
[01-01 18:12:17 TUYA Notice][light_system.c:227] start AP config blink
do td cur_t:290--last:idx:13,t:280 -- new:idx:14,t:292
--0xc:08, shift_b:0, shift_g:0, X:2
do td cur_t:300--last:idx:14,t:292 -- new:idx:15,t:304
--0xc:08, shift_b:0, shift_g:0, X:1