53 The ubitx v6 has a few shortcuts: If you tap on the tuning control, you can move the focus on the screen from one box to another. Alternatively start Arduino IDE app and load the . The initial purpose of this fork is to modify the source code so that it can use newer processors with more memory and faster CPU's. 00R, that utilizes the Teensy 3. Step-5 Arduino IDE settings. 073, 1. For accurate and up-to-date information, it is recommended to refer to the official documentation or the manufacturer's website for the uBITX. " Jul 5, 2019 · Barbaros WB2CBA has modified his stock µBITx v6 kit to use the Nextion 2. It is called by several names. He is implementing this a little differently to most support for Nextion LCDs. Ian KD8CEC has formally released version 1. An SMT board measuring 18X31 mm, with SMT components that are 0805 in size. Method 4: Vary the Power Supply Voltage to the finals. I have a uBITX V6, and wanted to add the Nextion with the CEC firmware. “Doing some testing with my uBitx on 160m with a 160m LPF attached to the output. 8″ TFT display to your existing µBITx. Waterfall display (color or B/W) Alignment procedure from Roman K7TXL. I had to reinstall Windows and it has been quite the adventure. This freaked me out at first because the defaults are way off, and Sep 27, 2019 · Using a 100 PPR encoder with the uBITx. A 2A fuse on the TX Jun 14, 2018 · + I posted an article about this video on my blog+http://www. check mark icon that appears below the File menu option. You will see following files loaded in your Arduino IDE editor depending on which firmware you’ve selected. In summarising the µBITx the ARRL review states: The µBITx is a good choice for a low cost CW Mar 22, 2018 · Wait for the menu to exit automatically. Apr 3, 2019 · Earlier µBITx versions do not require upgrading as no new features have been added to the firmware other than compatibility with the new v5 board. Research first, before spending your hard-earned cash! An upgrade from Ashhar Farhan VU2ESE factory firmware is recommended to address firmware bugs and add new functionality (memories, CAT control, IF shift, etc. 075 (Beta) 1. Bruce KC1FSZ has been experimenting with a panadapter for his µBITx that is likely to be of interest to constructors, especially to anyone thinking about one of those fancy ICOM 7300s. For the past two weeks Rod has been working with Bill Somerville, G4WJS (developer of Hamlib) on the issues. 07 to 1. Jul 9, 2018 · Details about the BITeensio and links to the firmware can be found on the website at www. Meter in uBITX. Yes I am wondering if the firmware -hardware will be able to run the "better" gui screen version as it would be much more user friendly and display more then the Dec 26, 2019 · Minor bug in v6 factory code. uBITX CEC Firmware supports I2C Meter from Version 1. It is available in two formats: Jul 5, 2019 · Barbaros WB2CBA has modified his stock µBITx v6 kit to use the Nextion 2. Feedback from the group suggests that: on transmit it runs around 1. 6’s capability to utilize USB “Host” mode and connect a standard USB ASCII May 23, 2018 · May 23, 2018. This should be reasonably self-explanatory as the same data lines are used on the standard 1602 display and the ILI5341 Display. These filters will cost 5$+ shipping. 8″ screen sizes. The firmware will handle communication between the uBITX arduino and Nextion LCD using template files. net recommends Mods & Fixes; uBITx. net compares firmware options Dec 23, 2019 · Adding a 2. 27. It would be simple to also convert the 7″ firmware to work with a 5″ display. 056 MHz as a starting point. 4. This the first major release since 1. Nikos, SV1IYF, sent Nigel his settings, and they may be useful for others who want to recalibrate roughly to get going: Master Calibration 143000 => Accuracy within 3Hz @10MHz, as delivered was ~75Hz off. Reenter menu turn to and select calibrate. (Again, SDR connections do not necessarily have to use my firmware. After Extract, the following files are displayed. 2. 08 includes all additions or improvements from 1. This version adds the WSPR TX mode. Edit the ubitx. comuBITX CEC Firmware supports various LCD since Version 1. The purchaser needs to assemble the board into an enclosure and wire up sockets, encoder and potentiometer and provide a power supply in order to Just Purchased the V6 kit and looking forward to assembling it, have the original V3 40M which was a blast at $40. 055-11. I received the feedback from a thankful beta tester and tested it myself by converting my uBITX v3 to v5 but I was not sure. Experiment to find the right value, but perhaps start with around 500 – 1000 ohms. He simply connected the input to the mic, added a 4. Go to your Preferences settings (File –> Preferences) and check “Set verbose output during” and check “compilation”. 07, 1. Click the 'Read from uBITX'. Dec 13, 2019 · Ashhar Farhan VU2ESE has announced today the release of the v6 uBITx transceiver. Aug 13, 2019 · Alignment procedure from Roman K7TXL. Apr 2, 2019 · Release CEC Firmware v1. Release Announcement “As of this morning, July 8, we have released a powerful new version of the firmware for our BITeensio card, V6. Use a 12v regulator for the receiver and a LM350 for a variable regulator to the PA. 1 as far as telling the WSJT-X software that I have a Yeasu 817 hooked up. 2 for Ubitx V5 found here: May 5, 2018 · 3. Connect the capacitor to the pin. If you tap on one of the VFOs, Fast tuning gets enabled where each step of the tuning encoder results in a jump of 50 KHz. Setting S. The other feature that is present in the Nextion display version of this arduino add-on, is a CW decode function. This is where you enter the base frequency to transmit to SDR. Jul 16, 2018 · Allan KN4UD has put together display firmware for the Nextion 3. 8″ TFT LCD display. 061 (current release version) here: ug-toc2-rev0. Therefore, there is some opinion that the name IF-Shift is not appropriate. UBITX V6 NEXTION TFT DISPLAY MODIFICATION. 27 version as the test ends. 08 of his firmware. Others are quite happy to wire up a cable for USB control and another for the audio in/out. w0eb. Jan 6, 2020 · Firmware; Display Brightness; Uneven TX output across bands; Modify. 6’s capability to utilize USB “Host” mode and connect a standard USB ASCII Dec 26, 2019 · Ashhar Farhan VU2ESE has indicated that there is a bug in the v6 code that prevents easy band switching to the 17m (18 MHz) band. Jan 18, 2019 · Cooling fans. Make sure you check out the version 2. In some cases it seems to be the result of inserting a plug into the stereo headphone socket. This the first major release since Beta version 1. Use CEC version firmware 0. The problem was the Hamlib FT-817 protocol was not successfully connecting to the uBITX at startup. Ion VA3NOI has two versions of an ND6T AGC circuit board designed. Compile the program. com. 4-1 SDR Offset Frequency. 057 and you are lowering it. Ian is looking for beta testers who have a µBITX, can install his firmware and his PC Software – uBITx Manager that Jun 8, 2019 · The amp provides 26dB gain with +/- 1dB gain flatness from 2 to 30MHz. Ian KD8CEC has released an update of his µBITx firmware and accompanying firmware for the Nextion display (for 2. Connect pins to the other side. 075 since 1. It should read “17”, instead it reads “18” in the code as shipped with the first v6 µBITx off the line. It still needs wider testing before a release version is posted. Configuration for SDR. Disconnect antenna from ubitx, or better, find an unused part of the band with just hiss, no other signals. 7K ohm resistor between the mic input and the 5VDC (taken from the Raduino) for biasing the Jun 5, 2023 · This video introduces the new Settings Editor that makes customization of the KD8CEC (CEC) software much easier. Jan 6, 2020 · Minor bug in v6 factory code. net compares firmware options Jun 16, 2019 · There has been a bit of BITX20 IO Groups list chatter about the winner in ND6T’s AGC circuit (with RF gain control). I then followed the instructions in the uBiTX v6 Manual R1. I started looking at the suggested mods/updates and began work on the AGC one right away. This makes the button for 17 meters Feb 22, 2018 · Reference. cpp in line 746. All of the examples below only describe connections to uBITX. 5″ and 7″ displays. uBITX Firmware 0. Ian created a wide variety of screens, especially for the smaller Nextion screens. hex) Select the Com port. This display, however, has its Apr 18, 2021 · でも、すぐに "uBITX CEC ファームウェア v1. Extract the downloaded . 8 from Amazon, and when trying to load CEC firmware via the SD card, the display shows "File Version is too low. 5 or later of uBITX. Triggered sweep. Nigel G4ZAL asked what people saw in KD8CEC’s UBITx Manager for their calibrations. In other words, just click on the. Use CEC version firmware 2. 08. ino for CEC firmware, ubitx_v4. Select the . . 097. KD8CEC created the first touchscreen UX for the uBitx using the Nextion smart screens to offload the processing and memory requirements over the already overloaded Arduino nano used by the uBitx. For example, an ‘I’ becomes an ‘N’ when the dit paddle is held closed. These are readily available on eBay and AliExpress for under US$10, which is half the cost or less than a Nextion display. Feb 8, 2018 · Bill Richardson NG1P has reported on his modified uBITx on 160m operation using a doublet antenna. 08 has minor fixes in 1. Bring on Apr 13, 2018 · 3. It is better to have a quiet fan that meets all of the requirements without any extra circuitry that can fail. Jan 13, 2018 · Ham radio deluxe configuration for uBITX. Connect Signal Sensor to uBItX. 200 for uBITX All Version (include v2, v3, v4, v5) I did the firmware work for v5 when uBITX V5 was released, but I release it now. Upload Firmware to I2C Signal Meter. Then press the encoder again and in turning the dial you should see the additional menu items displayed. You could set it up to be variable for only a few volts change to vary the output. He reports that it is working well! For firmware, he used KD8CEC Ian Lee’s CEC Firmware Version 1. TON (E) Set the sidetone frequency. 1 includes all additions or improvements from the last non-Beta release version 1. 2A approximately. This causes keying errors. 8 amps current draw on transmit, SWR depending and asks if this correct. He has also released new versions of uBITx Manager (for Windows) and Nextion screen firmware. io. 8" tft display #ili9341. Aug 4, 2018 · Prior to deployment, the 16x02 LCD with built-in is tested first. 095 beta. Greggory N5WLF observes that he gets in the range of 1. Aug 19, 2021 · To: BITX20@groups. 061, the default is the same as the original firmware. The following examples are based on version 0. When you scroll down, the User Interface Section appears. You will see the following screen. 8” display to Ubitx V6: I removed the stock TFT and replaced with Nextion 2. Subject: [BITX20] Firmware options for the current uBitx v6 with the 2. However, there will be no soldering required as all of the connectors and related componentry either plugs in or has been built in to the board. David N8DAH is now producing a very handy digital interface kit. Connect the Resistors to the pin. 3. 200 for uBITX All Version (including v2, v3, v4, v5) is a firmware update that provides bug fixes, feature enhancements, and improved functionality. He had all the features working (CW decode etc) except the SWR meter. Mar 1, 2018 · It is not entirely clear why the TDA2822 is failing. 0. 092 or later is released, you can download it. They come with either 4 or 6 wire terminals on the back. Dec 23, 2019 · Adding a 2. Inserting a mono headphone plug in the stereo jack could result in a short from the ring to sleeve. h FILE , AS DOWNLOADED, LOOKS LIKE THIS: //#define UBITX_DISPLAY_LCD1602P //LCD mounted on unmodified uBITX //#define UBITX_DISPLAY_LCD1602I //I2C type 16 x 02 LCD Dec 2, 2021 · Nextion Display "File Version is too low". This includes features and bug fixes Dec 23, 2019 · Adding a 2. Jul 28, 2018 · Cut Pin. net compares products and services; uBITx. This display, however, has its Edit the ubitx. ino file. Dec 26, 2019 · Ashhar Farhan VU2ESE has indicated that there is a bug in the v6 code that prevents easy band switching to the 17m (18 MHz) band. 8v or you can leave it off for direct 5v input. I am going to presume that you started with the BFO frequency on the high side, say 11. 3_code. So not usable on 160m at the finals will blow I’m sure. Hex file (file name xxx_NX. Jan 8, 2020 · Also my encoder skipped frequency when I tried to go fast on tuning. Dec 13, 2019 · v6 uBITx released! Ashhar Farhan VU2ESE has announced today the release of the v6 uBITx transceiver. Do not upload as that erases all temporary files, including the hex file. Jun 13, 2018 · Firmware; Display Brightness; Uneven TX output across bands; Modify. The circuit is exactly the same on the main board. Attached pdf is explaining the modification procedures. 4″ or 2. Some people will want to guarantee that their computer is fully isolated from their rig and will make or buy interfaces (Signalink, EasyDigi, etc. uBITx. enhance the Memory Manager section a bit. uBITX Firmware CEC Version 1. They come with 3x toroids and 4x capacitors. Even inserting a stereo plug could result in shorts. Note that using the 2. There are a number of small transformers to be wound, and assembly requires care and patience. Please refer to the manual or other documents for how to use the program. box'. The first is to compile the source from the Arduino IDE, and the second is to upload the compiled hex file using the Firmware Upgrade Tool. Press the 'Connect'. To cure all these problems I installed a nextion display with Ian Lee, KD8CEC’s Ubitx5 firmware and it worked. It works with the original V1. ). Turn setup on. Of course, CEC Firmware operates normally even if S-meter sensor is not installed Apr 14, 2018 · Rod KM6SN has updated his manual for the KD8CEC firmware for the µBITx that is pretty popular because it requires no hardware mods. 8″ v6 type TFT display to your v3 – v5 uBITx. There are quite a few variables in the Nextion LCD. Aug 3, 2018 · The nano and the serial connections to the Nextion doesn’t have the agility to provide a full blown waterfall display, but a real time display of signals around where you are currently tuned is still pretty impressive. 8 inch display. 04. Connect the uBITX's USB cable to the computer. Aug 9, 2018 · Just finished adding the latest firmware from Ian Lee, KD8CEC to my uBitx HF radio and also doing his modification to add another Arduino to make the Standal Apr 13, 2019 · Release CEC Firmware v1. Zerobeat the WWV carrier. USB Mar 14, 2018 · WSJT-X, KD8CEC code, and Hamlib. 08 Release. uBITX Manager Settings. The software also supports Teensy 4. Ian Lee, KD8CEC, has released a new (Beta) version of his µBITX Firmware CEC Version 1. 8 amps depending on the SWR. hamskey. The drop off of the filter kit is right at about 3MHz. The goal was to build a crude panadapter into his BITX rig without resorting to external PCs, SDR dongles, etc. wb2cba@gmail. Jacob AG7CT has documented the steps he takes to calibrate his µBITx: Tune to WWV on the dial. 2 as well as t Jul 31, 2018 · Analogue S-meter using a VU meter and driver module. Feb 3, 2018 · Typical current draw on the uBITx. 8" TFT in my Ubitx V6 . Jean-Luc F6HOY added an analog s meter to his first BITx40 with a simple circuit on an audio line and a 500 microA vu-meter. 1. Tapping the tuning control again will simulate pressing that button. Ashhar Farhan VU2ESE has indicated that there is a bug in the v6 code that prevents easy band switching to the 17m (18 MHz) band. Allison KB1GMX gives details on how to wire up the commonly available 100prr-6 encoder. 5. uBITX Firmware Update. I received the new uBitx v6 earlier this week and have been enjoying the new toy. CEC Firmware has improved the default value a bit, but for the convenience of users, after Version 1. Other sizes can also be made to work, but not all firmware works with the latest CEC uBITx firmware or the uBITx Manager Windows software. Get more I/O ports; Add AGC; Add Mic Pre-amp Gain and/or Compression; Add 160m (or LF or MF bands) Replace Raduino; Add Nextion Colour Touch Screen; Suggestions. Rod KM6SN found that WSJT-X running on some versions of Linux would not work well with the µBITX. 8v supplies with the µBITx and the BITx40, and quite happily over a reasonable period of time. The push-pull driver stage uses two BS170 transistors in the amplifier design used in the May 15, 2018 · 1. Press the 'Read from uBITX'. operating tips. 8" Display Modification. The kit is pictured with the Amateurradiokits. He has also released matching files for installing firmware in the Nextion displays for 2. January 13, 2018. THE ubitx. Run audio out from ubitx into PC/Mac/Linux audio in. The 12Mhz filter is used to divide the LSB and USB of the SSB. The kits are available for: US$15 unassembled or US$20 assembled. 2”” の Nextion LCD を使う予定なんですが、ご覧のとおりこのケースではギリギリでした。 Feb 20, 2019 · Step-4. I'll show you how to upload a compiled hex file as a second method. " I downloaded the Nextion editor, and loaded the *. Meter. Jean-Luc added a Chinese Audio Vu-meter that is much better on his µBITx. 2 for Ubitx V5 found here: Jun 2, 2018 · Ian KD8CEC is working on a protocol to allow Nextion LCD touch displays to communicate with the µBITx. He has yet to have a QSO, but has some observations and questions: When you go into the setup menu, your current Freq and USB settings do not appear, but it resets everything as soon as you try to enter the field. 1/06/20 #74572. You must check this box to use S. h FILE , AS DOWNLOADED, LOOKS LIKE THIS: //#define UBITX_DISPLAY_LCD1602P //LCD mounted on unmodified uBITX //#define UBITX_DISPLAY_LCD1602I //I2C type 16 x 02 LCD . Many constructors have been using 13. These have a nice vernier style dial and cover 100 pulses per 360 degree rotation. Execute uBITX Manager. Press the 'Decode =>'. incorporate feedback received on the manual, with some new. Run spectrum analyzer and configure it to listen to the audio in. Run X-Loader. 08(16x02 Parallel, 20x04 Para Mar 9, 2018 · John, VK2ETA, has used the small circuit board “SSM2167 Microphone Preamplifier Board Preamp COMP Compression Module DC 3V-5V”available on eBay or Aliexpress as a compression and mic pre-amplifier. The ubitx v6 has a few shortcuts: If you tap on the tuning control, you can move the focus on the screen from one Digital interface kit for your uBITx. Click th 'Connect'. 8″ ILI9341 touch panel display. Mar 13, 2018 · The answer is probably . Nextion LCD, TJC LCD, 20x04 LCD and I2C LCD are not essential for using uBITX Firmware CEC version. Others are working on resizing the firmware to work on 3. All was fine except that without any AGC it only provided an indication of the signal level. Barb, WB2CBA. Marco – KG5PRT suggests, “It’s kind of crude, but you could power the entire radio with 24v. Click the 'Deocde =>'. 73's. This makes the button for 17 meters Dec 26, 2019 · Minor bug in v6 factory code. 7K ohm resistor between the mic input and the 5VDC (taken from the Raduino) for biasing the Jan 26, 2018 · John AD0RW who has studied the CW keying issue has determined that the primary problem is that the analogue to digital conversion in the µBitx was having trouble distinguishing between “manual key down” and “dit”. com will have BCI kits out in the next week or so for the BitX radios as well as other direct conversion receivers that suffer from close AM stations. In order to view signals with Character LCD or Nextion LCD, Signal Meter Sensor must be installed. Gerbers and associated KiCAD V7 designs for these boards are Updated Nextion firmware v1. You can make a fan more quiet by adding a series resistor. 0 branch if you decided to build from source. Check 'S. 4″ and 2. uBITX Firmware CEC Version it is named IF-Shift. 5″ displays that represent “works in progress”. x, Raspberry Pi Pico, Arduino BLE, Arduino IOT, Arduino Nano Every, and Arduino RP2040 Connect, they required enhanced boards. The updates to the manual: 1. I loaded up Reeds firmware on my uBitX V6. Upload to version 1. WPM (CW) Set the CW sending speed of the keyer. Dec 6, 2019 · Addressing issues with an SWR meter and the Nextion display. The calibration points line up with these pulses. Another easy solution is to simply run the fan from the 12V transmit power Dec 23, 2019 · To run the v6 firmware on a v5 board, you will have to jumper gnd, 5v and the six data lines between the old Raduino and a TFT 2. CEC Firmware Versions. 1 of his CEC firmware. 200" に変更します。 このキットのイチバンの仕事としては、どうやってケースに収めるか・・・これ一点に尽きます。 3. This is in ubitx_ui. Currently supported processors include: RaspberryPI Pico Oct 12, 2019 · Ian KD8CEC is working on a new release of his CEC firmware for the uBITx that will be more modular in approach (picking up on John VK2ETA’s mods to Ian’s firmware), interface with a range of displays (I2C versions of the 1602 and 2004 displays as well as the display that comes with the Raduino). 061, I will release it after a 50-day beta test. Version 1. FRQ Allows you to enter a frequency directly using a keypad shown below: Shortcuts. Apr 3, 2019 · KD8CEC releases CEC Beta firmware to support Nextion display Ian Lee KD8CEC has released Beta firmware for the µBITx that supports Nextion colour touch screens . I just got a Nextion 2. Jul 14, 2019 · David N8DAH from Kit-Projects. 2 for Ubitx V5 found here: Jun 15, 2018 · Check if uBITX is working normally. Use readily available short (100mm) dupont style connectors to link the Sep 12, 2018 · Ian KD8CEC has released version 1. Some key features in this version include: #NOTICE This is a fork of Ian KD8CEC's uBitx firmware named KD8CEC V2. 8″ screens means you can use the original firmware from KD8CEC. However, there are also reports of the device Dec 25, 2019 · Digital interface kit for your uBITx. All Messages By This Member. 8” TFT display. 27 : Bands Touch on any band buttons to quickly switch to the band. 097 or later. 2″ and 3. This display, however, has its Assembling the uBITX and upgrade to a Nextion display, next on broken signal Click that subscribe button and give the video a likeThe uBITX is a general cove What is the uBITx? The µBitx is a HF (3-30MHz) all-band SSB and CW transceiver kit. May 27, 2018 · New Release of KD8CEC Firmware v1. In reality, transformers and other forms of Apr 25, 2018 · Poor man’s panadapter. Your uBITX setting appears on the right. Jun 3, 2023 · This is the beta 1 release of CEC V2. This release is targeted at supporting the OEM Raduinos running a Nano V3. Jun 27, 2018 · Release CEC Firmware v1. zip file. 061, although there have been a number of Beta versions in between that many constructors will have donwloaded. Jul 30, 2020 · Sorry for the late reply. Categories Firmware , uBitx News Tags CEC firmware , KD8CEC Jan 6, 2020 · Ubitx V6 Nextion 2. Apr 1, 2018 · uBITx manager Master Calibration settings. Mar 21, 2018 · About IF-Shift function. Run Device Manager on your computer. I used the 12Mhz filter section to remove ambient noise. Nice little radio Ashhar and HFSignals. Enter menu. It is available in two formats: Apr 22, 2018 · uBITx gets WSPR in Firmware. Jan 6, 2020 · Barbaros WB2CBA has modified his stock µBITx v6 kit to use the Nextion 2. May 3, 2018 · Firmware (both original and CEC firmware) will work with the default calibration value if the BFO Calibration value is within the range where the transceiver is difficult to operate. I swapped stock TFT with Nextion 2. 061, Version 1. It is a feature on most HF Transceiver. 2 for Ubitx V5 found here: Jan 3, 2018 · There are two ways to upgrade the firmware of uBITX. On high SWR the finals can draw up to 2. Skiped the in between versions for the V6 with the touch screen. The lines of interest are 24. So here is the modification procedure to install a nextion 2. A through-hole single-side version measuring 17X38 mm. 2 for Ubitx V5 found here: Jan 6, 2020 · Barbaros WB2CBA has modified his stock µBITx v6 kit to use the Nextion 2. Apr 16, 2018 · Connecting your µBITx can be done in a number of ways. We will post the 0. This 10W HF Linear Power Amplifier kit has no Surface Mount Components (SMD) to solder. 2″, 3. There are components in the µBITx, however, that will not cope with more than 15v Aug 15, 2019 · John, VK2ETA, has used the small circuit board “SSM2167 Microphone Preamplifier Board Preamp COMP Compression Module DC 3V-5V”available on eBay or Aliexpress as a compression and mic pre-amplifier. For the ubitx 5 (not the earlier versions), you will want to set the BFO somewhere around 11. Now double click on ubitx_20. Dec 25, 2019 · Neil, W2NDG has received his v6 uBITx and has it up and running. Joel KD6AGW has been working on his UBiTx V5 for a few months now and added the KD8CEC update with Nextion screen and the I2C update. It is supplied as a completely pre-populated and tested circuit board by the manufacturer (trading as HF Signals ). 8″ displays). If version 1. 071, 1. in metal case, and features the stock firmware and display module. It is not difficult to add a 2. ) Download Rod’s manual for v1. pdf. 25 or later of uBITX. 5. Download the firmware file. Joel also built a Kits and Parts SWR bridge and hooked it up to the second Arduino. This is a Gordon Gibby KX4Z design, and it features: On board 5v regulator that you can power from 12-13. 2 for Ubitx V5 found here: Aug 10, 2019 · The ARRL has published a very positive review of the µBITx transceiver completed by the ARRL Labs team in their September issue of QST. ino for stock firmware to open Arduino files in Arduino IDE editor. I’m seeing about 15 Watts out but the current draw is running very high at just over 3 amps. 08 is the first major release since 1. h file and select the type of LCD display to be used. The parts are generally rated to cope with 12v nominally, but this typically means up to around 14-16v. HMI file. Make sure you order a 2. 4-1. ib lg di zz kj qz dv zh un fv