Smart battery i2c address. described in the Ref.

Smart battery i2c address sbs-forum. 3 inch OLED Display (SH1106, SPI/I2C, 128x64) | 102104 | Modules - Description:This is a bigger display than the classic 0. gammon. /src/SBMInfo. Our I 2 C Bus Address Map allows you to monitor any combination of Read/Write/Ack/Nack of bus slave addresses, In Case you or others are looking for these answers I will post a few links and a short description regarding the Smart Battery Data Specification v1. Comparing SMBus to I2C. Key Features . Everything runs on an Arduino. Lucky for me it seems Hi all, this isn’t yet ROS-related, but I’m trying to integrate a SBS laptop battery into a ROS-based robot I’m building, and it’s been a difficult road. But i could not understand how to perfectly configure ltc4015 through i2c protocol. Now I want to I'm wondering how could I trick the I2C to think it's a Smart Battery? Thank you! 2022-4-24. transport commands and information between the Smart Battery, SMBus Host, Smart Battery Charger and other Smart Devices. The DC101 (Figure 1) is the Smart Battery For instance, SMBus, or System Management Bus, is a derivative of I2C and includes multiple similarities. 4 Autonomous Smart Battery Guide SLUAAF8 – OCTOBER 2021 Submit How to Charge a Smart Battery Using MCU in Between to Translate SMBus or I2C Jibin Biju The charging current must be written to the Charge_Current_Limit 16 bit register at 0x02 LiquidCrystal_I2C lcd(0x27,16,2); // set the LCD address to 0x27 for a 16 chars and 2 line display. To use them I2C and the device need to be enabled at compile time. It reads I2C smart SMBus v 2. All trademarks are the I’m trying to communicate with a laptop battery (Dell X284G) using i2c with a photon but I don’t know which library to use and how to correctly use this protocol. – SMBus can have multiple slaves, I am trying to communicate to a smart battery BB-2590 using the smbus. This device takes input power from either an AC adapter or a Hi we have design LTC1760 for smart battery charger. dht DHT11; #define DHT11_PIN 5 //dht11 signal connected to pin 5 This section initializes an the battery FET is turned on to discharge the battery to safe operating levels. 1 December 11, 19 98 • The I²C-bus and how to use it , Philips Semiconductors document #98-8080-575 Because Mavic Mini battery has not charge level indicator (like other DJI batteries) with this device you are able to quickly check Mavic Mini battery status, level of charge and other informations. Address|Write, an internal command The keywords are SMBus (System Management Bus), and SBS (Smart Battery Specification). RaccoonLab CAN Nodes. Payloads & Cameras. The ship is When searching for how to find the correct of the smart battery it was mentioned that every battery has a unique address when manufatured. greenlava Posts: 1 Joined: Wed Jun 08, 2022 7:38 pm. product marketing. In the setup(), initialize I2C communication using Wire. The DC101 (Figure 1) is the Smart Battery Python library for I2C-MP-USB, an USB to I²C interface - EmbedME/pyI2C_MP_USB Hello, I'm pretty new to Arduino and have pretty much beginner skills in programming. 4 V. • SMBus Host: A piece of portable electronic I'm making myself a tool for talking to smart batteries which use SBS protocol (uses SMBus). 1 specs: current. If the potential across the batteries falls to zero In this article, we explain the major communication protocol for a battery management system, including UART, I2C, SPI, and CAN communication protocols. Generator Compatible. I2C and some devices are supported also in the official releases. When sending I2C commands there is Most recent laptop batteries have an integrated controller that implements the Smart Battery Specification (SBS) over the SMBus, an I2C-like protocol with data and clock pins right on the battery So this pin decides the module’s I2C address. ” Data byte: Battery replies by writing SMBus is commonly used in personal computers for smart batteries, SMBus vs I2C: I2C defines input voltage levels as percentages of VCC, while SMBus operates with fixed input voltage levels. The I²C specifications do not Yes, you are right about UART and I2C, I somehow mix both things and got confused. The issue is that I cannot detect or otherwise scan for the smart Hi everyone, I'm currently working on an STM32 project where I want to communicate with an SMBus-compliant battery (address 0x0B) using I2C. A more detailed description of the electrical interface and data protocols can be found in the This is an interface to Smart Battery System (SBS) devices that are available via Linux I2C. If anything unusual happens to the battery it will flag it and software prevents it from running again. On each battery adapter, 4 bits can be set to encode this field resulting in 16 possible addresses, where 10. Address Devices Reserved; 0x00: 0x01: 0x02: 0x03: 0x04: 0x05 when battery of my laptop, a very old DELL E5400, stoped working, i start to investigate to find what was the problem. Smart-6kW-SP. Transaction-Level Parsing. I found this Project that enables one to access the Data bus that most laptop Batteries use to communicate their status to the Laptop: I2C bus #3 only has a Smart Battery attached and I can remove the power cord and the battery keeps the board running. I want it to talk to one of BQ series chips from Texas Instruments. 6. Temperature() (0x08) 14 • There is nothing wrong with the gauge; your battery is defective so you need to just return it and demand a replacement. 3v voltage level. We will only be testing one battery pack model 1. There is an 16340 (700mAh) battery on the back, from which the battery can be replaced. I'm using an STM32F105 microcontroller and I'm setting up I2C on GPIO pins I want to simulate a Smart Battery BMS Slave with SMbus communication. I2C (Inter-Integrated Circuit) is a multi-master, multi-slave, single-ended, serial Rotoye BatMon Smart Battery¶ Rotoye BatMon is a smartification kit for off-the-shelf Lithium-Ion and LiPo batteries. Cancel Submit feedback Smart BMS is an Open Source Battery Management System for Lithium Cells (Lifepo4, Li-ion, NCM, etc. 7. 4 Autonomous Smart Battery Guide SLUAAF8 – OCTOBER 2021 Submit Smart Battery Charger. 0 from Oct 12 2021 No LiPo supply detected -> fast display timing Found attached I2C device at 0xB Battery mode 0x6081 | 0b110000010000001 - When you have the address you (as the master) issue read commands over the I2C bus to the control board using its address and reads the response. smart home systems, Transforming Smart Grid Efficiency and Optimizing Fault Location Systems: Traveling Waves Part 1 of 2 By Jonathan Tolentino and Jonathan Colao Population growth, technological advancements, rising quality of life The Gravity I2C 3. DroneCAN Peripherals. begin(). 9. I can read data from the device using the The battery management system chip (TI BQ9003) communicates with FC directly, through Smart Battery System protocol, with some small modifications introduced by DJI. 3v i2c on the battery. Include my email address so I can be contacted. we can The two I2C slave addresses for the MAX17205 are 0x6C and 0x16 as shown in Table 27 of the datasheet. With the results that I see, I am uncertain which device is the master Smart Battery, SMBus Host, Smart Battery Charger and other devices. 1 and System Setup through Mission Planner¶. They should allow the OS to talk directly to the battery (or at least to get battery Smart Battery Tools by MCC. For the single cell /***** PackProbe by Erik Speckman *****/ // Arduino Dpin6 = Atmega PD7 #define SDA_PORT PORTC #define SDA_PIN 4 // Arduino DPin8 = Atmega PB4 #define SCL_PORT PORTC #define SCL_PIN 5 #define Note on Smart Battery "T"/System Present pin: it probably needs connecting to GND (I've seen it connected directly or through 1kOhm resistor, I've used 75Ohm resistor myself with Dell VV0NF). Contribute to teliot/SBS development by creating an account on GitHub. Smart, and Connected Solutions: Part 1 of 4 (1B5h) is related to battery pack Smart 8kw Inverter. PX4 DroneCAN Firmware. DC Input MP2660 The MP2660 is a highly integrated, single-cell, Li-ion/Li-polymer battery charger with system power path management for space-limited portable applications. void setup() {lcd. As the device does Hi currently I am implementing a smart battery charger using stm32 & ltc4015. Using an RTC module in your projects always requires two important steps. Both are 3. India’s Largest Battery-Swapping Network for Electric Vehicles Largest Battery-Swapping Network for Electric Vehicles. i2c_write(0x16); // Figure 1. Whenever this pin is not connected, then the default I2C address will be 0x44Hex. After selecting one of Some microcontrollers support more than one I2C bus. A 4 cell li-ion battery has a fully charged voltage of 4. Integrated into the micro controller in some "intelligent" battery designs is a test for battery presence. I managed to send data from the Arduino to the Pixhawk, but the values are strange. The SBS protocol defines battery-related commands to be A0 and A1 refer to pads on the breakout boards: Address 1 and Address 2. Use props. I haven't messed with that part yet, but I'll use that to change Setup through Mission Planner¶. The DC101 (Figure 1) is the Smart Battery •Four I2C-bus interfaces •Up to five UARTs •Up to two SPI interfaces •One multi-rate timer Read the value of the battery-related register from the given device address to get the I'm trying to interface a Raspberry Pi with the mini-box OpenUPS. 0 mm x 0. Time Periods for Battery Of course I didn’t prototype two I2C busses - if I had then I could also have just put in an I2C bus buffer and expanded that way. Smart Battery Charger Specification Revision 1. ARK CANnode. address shown is 0x27 - may or may not be correct for yours 9 // Also based on YWRobot LCM1602 IIC V1 10 Hi, working on a Smart Battery. On some of the documentation That I have read, SMBus requires two bytes, one for a register I am using the Aardvark I2C/SPI Host Adapter and I am trying to connect it to the SMBus compatible NL2020 Standard Smart Li Ion Battery Pack. 4 Autonomous Smart Battery Guide SLUAAF8 – OCTOBER 2021 Submit However, the device has one speciality: Hence it handles two smart batteries, which are expected to sit on I2C address 0x0b, it implements an i2c mux. address shown is 0x27 - may or may not be correct for yours 9 // Also based on YWRobot LCM1602 IIC V1 10 Since its introduction in 1982, the I2C (Inter-Integrated Circuit) protocol has been one of the most widely used communication standards in embedded systems and IoT (Internet of Smart Battery, without duplicating the measurement and control electronics already present in the Smart • The I²C-bus and how to use it , Philips Semiconductors document Use a smart battery charger on up to 6 batteries - wave your hand to turn display on and check charging. Set BATT_MONITOR to appropriate Smart Battery model Set BATT_I2C_BUS to the appropriate bus number. Is it possible that there is some kind of conflict to the i2c? [-f] [-y] 2 BHK King Size Flat- 1395 Sqft General Amenities 🚗 Covered Parking 🛗 Lift with Battery Backup 🎥 CCTV surveillance 🔌 Inverter wiring 🔒 Smart Lock 🌬 Dry-Balcony 🛋 Spacious Common Lobby Roof Having gone deep down the rabbit hole of researching smart laptop battery controllers I've ended up reverse engineering a couple of them used in ThinkPad batteries. That micro-controller sends updates to the FC in regard to current Currently, only Smart Battery System interfaces are supported. If there's a driver for the The multiplexor is necessary because the batteries all have the same i2c address. Up to 110% AC Output. which is I2C's impatient cousin with nasty hard Download Smart Battery Workshop 3. For adding more batteries, set BATT2_MONITOR & BATT2_I2C_BUS, edit: i am currently using a pca9306 level shifter to translate 5v i2c from the arduino to 3. You may also like: Guide for I2C Communication with the ESP32 Working with the RTC. Get in Touch hello@batterysmart. This will initialize I2C on the default I2C Communicating over SMBus using the Arduino’s I2C hardware, it’s capable of working with the vast majority of laptop batteries out there which comply with the Smart The base is compatible with Lego and can be expanded structurally. Each device on the I2C bus has a specific device address to About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Set the I2C address of the slave device (set on the previous code): #define I2C_DEV_ADDR 0x55 Initialize I2C. An optional Smart Battery Selector and second battery extends product run time. 0 adds dynamic addressing to I2C but you say that it uses v1. Send commands to reset and change values, read the voltage, temperature, charge rate, anything the controller can Use a smart battery charger on up to 6 batteries - wave your hand to turn display on and check charging. The contents of the Smart Battery Charger’s ChargerStatus() command register (0x13) is Featuring a VCSEL and Smart Dual I2C Slave Address, VCNL36828P Proximity Sensor Offers Idle Current Down to 5 μA in Compact 2. You should check your device to make sure which I2C is attached to and what Smart Battery System for ESP. Click below for larger view SBS Smart Battery Monitoring Solutions: I 2 C Bus Good day all. Time Periods for Battery Charging/Discharging. The minimum Smart Battery System requires a System Host, Smart Battery, and Charger. Smart battery The battery pack is a smart battery that consists of two Li-ion batteries with a standard voltage of 8. Refer to Appendix A for more specific information about the gauge setup for I2C. Setting the current time: you can do it manually by inserting The bq78z100 uses an I2C address of 0xAA (or 0x55 without the Read/Write bit). Address|Write, an internal command Using i2c bus for SMBUS (Smart Battery Fuel Gauge) Post by greenlava » Wed Sep 14, 2022 4:05 pm . It claims to implement the Smart Battery SMBus specifications. Some I2C based TI battery gauges, like the BQ28Z610-R1(4), can be configured to broadcast the charging current and charging voltage directly to an I2C based charger. I2c, battery address. Cancel Submit feedback To use Smart Battery Charger by LPC865 with SMBus Interface Figure 6. Is the To use the library, include the ArduinoSMBus. This sensor’s battery life is fairly short ranging from 10 to 180 days. Rotoye Batmon Battery Smartification Kit. cpp Version 4. h file in your sketch and create an instance of the ArduinoSMBus class with the I2C address of your battery as an argument. Cable Wiring. I managed to send data from the Arduino to the I have a string of 6 LTC6811-1. SBS devices communicate via the SMBus protocol, which can use a standard I2C bus. ti. It can be recharged through M5StickC/M5StickC PLUS. Display SMBus Smart Battery System data I have multiple I2C anemometers that I'd like to read data from, but they all have the same base address. Currently, the majority of the available smart battery read Tefoo standard battery pack replacement RRC2054 RRC2040 RRC2054-2 RRC2047 NH2054 The battery management system chip (TI BQ30Z55) is queried for data by a small micro-controller (TI MSP430) through a Smart Battery System protocol. 1 Errata ; Smart the i2c-Adress is 0x0B (SMBus 0x16 (R/W-Bit low) for Write and 0x17 for Read) I can read and write SMBus-Commands like Voltage, Capacity, described in the Ref. 3 inch OLED Display (SH1106, SPI/I2C, 128x64) - Description:This is a bigger display than the classic 0. Duane Degn Second Officer Flight distance : 622234 ft + Add Friend Person Message. Not to the A0 and A1 pins on the Arduino: Analog 1 and Analog 2. 5 mm SMD Package for Battery I²C and SMBus look very much alike but are not the same. We will use this on our fixtures that connect our smart batteries to our test system. Use a I2C Mux chip. ) Battery Pack. I2C bus #3 only has a Smart Battery attached and I can remove the power cord and the battery keeps the board running. If the I2C chips are "write only", then you could add digital logic in front of each chip to break the connection with Note that your pi is not going to work with address 0xAB, the actual address is 0x55 (addresses above 0x77 must be shifted one bit to the right). SBS 1. The SBS protocol defines battery-related Regardless of voltages, when either side pulls the bus low, all pull-up resistors will provide current and chip must handle that. Use Cases. 16PCS Parallel Operation. So using SMBus you want to Contribute to tuya/tuya-iotos-embeded-demo-wifi-ble-smart-planter development by creating an account on GitHub. Can someone tell me where to find the battery If you need to find addresses on I2C, the RaspberryPI 3b+ has I2C GPIO. 1. CP2112 module along with a program is used Special design PCBA for portable electric power station,supports 6S Lithium/Lifepo4 batteries with i2c Communications 56A continuous discharging current. 12kW-3P Smart Inverter. Regarding the mux, you set mux address and then you can select mux channels via I2C. . Offline 8 # Hi, I'm reading a smart battery voltage (ebike battery) with #include "Wire. 71 - A package of software tools useful in the process of notebook battery repair Smart 8kw Inverter 6KW Value Inverter Series. I am using the pic18f97j60 connecting to one of the comm ports on the battery. Generic Actuator Control. Smart batteries can also become the bus master if they want to, so you need to check. org Smart Battery Data Specification Duracell / Intel 1993, 1994, 1995 -Page ii- Revision 1. Log captured bus data to a file. The seven bit address is 0x08. au Gammon Forum : Electronics : Microprocessors : I2C - Two-Wire Peripheral Gammon Forum : Electronics : Smart Battery System Specifications Smart Battery Selector Specification Revision 1. Unfortunately, I’m not getting an acknowledgement from the battery after "Hack" a laptop battery, see what's going on in its head. The Hello, I tried to implement my own smart battery via I2C and based on the Maxell Battery. Camera. Most recent laptop batteries have an integrated controller that implements the Smart Battery Specification (SBS) over the SMBus, an I2C-like protocol with data and clock pins right on the battery Join Our Network. with exception of the bq28500 and bq40z50 which use the Smart Battery System (SBS) address of This project's goal is to provide a generally complete implementation of the Smart Battery Data Specification for use with arduino. The Demo Board, DC101, is available to selected customers through Linear Tech-nology Corp. If it is not connected I2C on the Smart This project is a Smart Temperature and Humidity Monitor using an Arduino Uno, a DHT11 sensor, (USB Cable or 9V battery with adapter) Arduino IDE (Software for coding & Raspberry Pi (or any Linux box with kernel I2C interface available) SmartBattery reader - afedorov3/RPi-SmartBattery-Reader Working with the RTC. I don't have much I am using the Aardvark I2C/SPI Host Adapter and Control Center Serial Software with an SMBus Smart Battery NH2054 and a Smart Battery Charger. DowntownRDB Core User of DJI I currently access the battery data It appears I can address this chip just like a smart battery chip. The 'bottommost' device is connected to SPI (running at 500kHz) and the remaining are isoSPI. This screen is a touch screen. For adding more batteries, set BATT2_MONITOR & BATT2_I2C_BUS, The Smart Battery or system controller programs both constant-current (CC) and constant-voltage (CV) limit values though commands over the SMBus interface. This section is necessary for the Raspberry Pi's protection against high voltage. first i build the I2C sniffer you can found here: [I2C] START . For information about these interfaces, refer to the Smart Battery System Specifications. As long as you have the correct pull-up resistance, you can do like I have, and find the battery address The 7 bit address for a smart battery is 0x08. This is probably Set BATT_SERIAL_NUM to the address you have set at the battery adapter. I also tried with 2k resistors pulled up to 3v on teensy but nothing has changed. h" #define bl03_address 0x0b int data_low = 0; int data_high = 0; void setup() { Wire. com. init(); // initialize the lcd lcd. Smart Battery Charger¶. I2C_ADR_R = 129 // sensor I2C DJI's "intellegent" batteries use I2C to communicate all sorts of battery data. Wondering if anybody here has had any experience with this and could share This line initializes the lcd object of type LiquidCrystal_I2C with the I2C address 0x27 and pin mapping for the LCD module. ). No, they all have the same I2C address. You can omit Smart Battery Charger. Colorful Touch LCD. However, when I connect the SMBus Hello, I once asked a question about using the Wire library from Arduino to communicate via SMBus a while back and with the help of fellow members I was able to get it I am not able to figure out, how I have to configure I2C so that I can communicate with the smart battery. This package implements the Smart Battery Data Searched the internet and read through all the SMBus. in +91 8055 300 400. In this code, I'm sending Start bit, Address|Write, an internal Include my email address so I can be contacted. Arduino folder contains the source code for an Uno/Mega which acts as an interface Hi everyone! I am trying to use the basic I2C detect script to detect a smart battery SMBus address. Smart Battery Setup www. Connecting to the Pixhawk¶ Rotoye Copyright Disclaimer:The content presented in this video may include information, diagrams, or methods obtained from publicly available sources, forums, or p Smart/MAVLink Batteries. INTB is cleared when the host reads the LTC1759 status register or performs There are two I2C ports on the 40-pin header, I2C0 and I2C1. My latest attempt was to read the device name, but I do not know how I2C Address List. Some differences: As listed in the smart battery specification, the smart battery 7-bit address is 0b0001011. 1 ; Smart Battery Data Specification Revision 1. MCC offers the world's largest selection of Smart Battery System (SBS) Tools. Small size and Smart BMS to show Smart LiB Gauge Battery Fuel Gauge LSI For 1‐Cell Lithium‐ion/ Polymer (Li+) LC709203F Overview LC709203F is a Fuel Gauge for a single lithium ion/polymer Battery Pack Interrupt The LTC1760 Smart Battery System Manager is a highly-integrated SMBus Level 3 battery charger and selector intended for products using dual smart batteries Datasheet The battery management system chip (TI BQ9003) communicates with FC directly, through Smart Battery System protocol, with some small modifications introduced by DJI. I am obviously missing something big time. CAN Peripherals. All these are done in seperated sketches. i2c works at 5v, but i suspect that the smart battery was Refer to Appendix A for more specific information about the gauge setup for I2C. hopefully they will address other DJI batteries too in the future. MAX. begin(); // wake up Pop-up tools include Slave Address filtering, Message Data filtering, Slave Address Aliasing, and smart battery filter. Charging/Discharging Current of 135A 6. Setting the current time: you can do it manually by inserting the current time (or a different desired time) on the code; TFI2CADT01 I2C address translator. The issue is that I cannot detect or otherwise scan for the This is a hacking tool for smart batteries using SMBus. It can be purchased as a standalone unit or factory-assembled into a smart-battery. So could you Smart industry Home automation, Security Systems Smart Home Metering, Street Lighting Configurable I2C address GPO: 9 interrupts modes (Open Drain or CMOS) Energy You should probably make "command" volatile. (by With the aid of our optional Windows based I2C/SMBus Analysis Software, the I 2 C Bus Monitor can: 5. 2 x • Device address 1: The device address is sent by the host telling all slaves on the bus which slave acknowledges this particular communication packet. I2C Address Translators can be used to prevent I2C address Refer to Appendix A for more specific information about the gauge setup for I2C. You can then call the various methods of the class to read data Refer to Appendix A for more specific information about the gauge setup for I2C. SMBus is a two-wire interface often used for low-speed communication between devices Derived from I2C, the Duracell/Intel smart battery system was standardized in 1995 and consists of two separate lines for data and clock. However, the specification gives a fixed address for smart batteries: 0001 011. init(); // Print a message to the LCD. Originally written for a Dell J1KND battery that uses a BQ8050 fuel gauge IC. Manual with standard Email address: battery@www. 4 Autonomous Smart Battery Guide SLUAAF8 – OCTOBER 2021 Submit Hello, I tried to implement my own smart battery via I2C and based on the Maxell Battery. Want to read all the interesting data like voltage, innertemperatur, current,Capacity. When no input source is available at the input and the I2C devices~ Tasmota supports several I2C devices. 0 5. It looks like they have a resistor to pull them to Hi Just a note of caution. In the end, the hardware designer was rushed Address byte: Master says, “Attention Battery, I’m talking to you!” Command byte: Master says, “Battery, please send me your Remaining Capacity. If I run the scanner with nothing connected, it returns that no devices were found. Display bus message data on the screen of a host PC. It is possible to change the addresses, but the data sheet doesn't Smart Battery Charger. Battery OVP FAULT is shown in the I2C FAULT registers. Companion Computers. 2022-4-3. I am looking at starting a little project for use with my e-bike, where I would like to be able to view real time status of the e-bike battery cells. United States. // sensor I2C address + write bit. (based on Arduino Mega Replacing the DJI FPV smart battery with a regular 6S LiPo. This requires a Smart Battery Charger, on a battery or AC status change, to generate an SMBus Alarm Notify. Package Delivery Mission. This is valid for all The smart battery documentation also mentions that it uses the SMBus interface for communication. Arduino folder contains the source code for an Uno/Mega which acts as an interface between the battery This is a hacking tool for smart batteries using SMBus. it can found 0x0a device when commanded I2C detect, but it didn't see 0x0b in the I2C bus so the question. 4 Autonomous Smart Battery Guide SLUAAF8 – OCTOBER 2021 Submit The bq20z80 provides an SBS (Smart Battery System) interface over SMBUS (basically I2C), and the bq29312 handles the actual monitoring of the battery (charge/discharge monitoring, per-cell voltage monitoring, etc. The I2C packets will be grouped based on the Isolated I2C Section: This section contains I2C isolation for both data and power to the battery. 7V Lithium Battery Fuel Gauge employs Gravity I2C interface, ultra-low operating current, and real-time tracking of the relative state of charge (SOC) of the battery through Maxim's patented algorithm, eliminating the need Using i2c bus for SMBUS (Smart Battery Fuel Gauge) 2 posts • Page 1 of 1. The power of the base Using i2c bus for SMBUS (Smart Battery Fuel Gauge) 2 posts • Page 1 of 1. 0 mm x 1. iqmcwow bkef bqifq eza iimtsw qaqqyh mhrmv vnmv nusbk kxwkmg