# Latest **URL:** https://forum.1bitsquared.com/latest.md [Latest](https://forum.1bitsquared.com/latest.md) · [Categories](https://forum.1bitsquared.com/categories.md) --- ## [Welcome to the 1BitSquared Forum](https://forum.1bitsquared.com/t/welcome-to-the-1bitsquared-forum/7)
**Author:** [@system](https://forum.1bitsquared.com/u/system)\ **Replies:** 0\ **Last updated:** [January 18, 2019, 7:31am UTC](https://forum.1bitsquared.com/t/welcome-to-the-1bitsquared-forum/7 "2019-01-18T07:31:30Z")
This forum is meant for everyone who is interested in technologies in and around electronics and hardware development. This also includes embedded system programming, programming languages and more. We here at 1BitSquare… --- ## [Retro Lang on icebreaker 1.0e](https://forum.1bitsquared.com/t/retro-lang-on-icebreaker-1-0e/358)
**Author:** [@jeff](https://forum.1bitsquared.com/u/jeff)\ **Replies:** 1\ **Last updated:** [August 31, 2026, 3:21pm UTC](https://forum.1bitsquared.com/t/retro-lang-on-icebreaker-1-0e/358 "2026-08-31T15:21:55Z")
Hello .. I’m new to icebreaker community I’m working on enjoyable things with FPGA BD.. here is my first video contents from Youtube (May the Force be with you) --- ## [Led pannel pmod](https://forum.1bitsquared.com/t/led-pannel-pmod/328)
**Author:** [@bendelathouwer](https://forum.1bitsquared.com/u/bendelathouwer)\ **Replies:** 4\ **Last updated:** [March 8, 2026, 7:33pm UTC](https://forum.1bitsquared.com/t/led-pannel-pmod/328 "2026-03-08T19:33:31Z")
Dear, I have a question regarding the led panel driver , Is this driver hub75E compatibel? As far as I can tell it is , just cutting the solder bridge J3 and solder it in the X0 position, is that correct? Kind regards… --- ## [Odd I2C noise on Black Magic Probe when debugging MCU with shared sensor bus](https://forum.1bitsquared.com/t/odd-i2c-noise-on-black-magic-probe-when-debugging-mcu-with-shared-sensor-bus/284)
**Author:** [@bevipen](https://forum.1bitsquared.com/u/bevipen)\ **Replies:** 0\ **Last updated:** [June 24, 2025, 12:15pm UTC](https://forum.1bitsquared.com/t/odd-i2c-noise-on-black-magic-probe-when-debugging-mcu-with-shared-sensor-bus/284 "2025-06-24T12:15:12Z")
Hi all! I am using a Black Magic Probe to debug an STM32 microcontroller that also shares an I2C bus with a few sensors (like MPU6050 and BME280). :slightly\_smiling\_face: Debugging generally works fine; but when I pause… --- ## [Baofeng UV-5R Teardown](https://forum.1bitsquared.com/t/baofeng-uv-5r-teardown/150)
**Author:** [@esden](https://forum.1bitsquared.com/u/esden)\ **Replies:** 1\ **Last updated:** [December 4, 2024, 12:01am UTC](https://forum.1bitsquared.com/t/baofeng-uv-5r-teardown/150 "2024-12-04T00:01:51Z")
Hey everyone, I have two of the low cost Baofeng UV-5R dual band (2m and 70cm) radios. I was curious how they are constructed internally, so I took one of them apart. I thought it would be nice to share how they look on… --- ## [What versions were made?](https://forum.1bitsquared.com/t/what-versions-were-made/265)
**Author:** [@lloyd](https://forum.1bitsquared.com/u/lloyd)\ **Replies:** 3\ **Last updated:** [October 9, 2024, 3:37pm UTC](https://forum.1bitsquared.com/t/what-versions-were-made/265 "2024-10-09T15:37:29Z")
Kia ora, What versions of the iCEBreaker were made and shipped to the general public? I currently have a 1.0d and 1.0e board. I am looking at added a device quirk to NetBSD so that the port A of the FTDI chip doesn’t g… --- ## [Need Help Choosing the Right Debugging Tool for My FPGA Project](https://forum.1bitsquared.com/t/need-help-choosing-the-right-debugging-tool-for-my-fpga-project/263)
**Author:** [@henryclark](https://forum.1bitsquared.com/u/henryclark)\ **Replies:** 2\ **Last updated:** [October 5, 2024, 2:52pm UTC](https://forum.1bitsquared.com/t/need-help-choosing-the-right-debugging-tool-for-my-fpga-project/263 "2024-10-05T14:52:09Z")
Hey everyone, I am working on a personal FPGA project and could use some advice from this awesome community. I am currently using an iCE40 chip, and I want to get the best possible debugging experience without too much … --- ## [Could Someone Give me Advice on Best Practices for DIY Open Source Hardware Projects?](https://forum.1bitsquared.com/t/could-someone-give-me-advice-on-best-practices-for-diy-open-source-hardware-projects/259)
**Author:** [@roberrttt](https://forum.1bitsquared.com/u/roberrttt)\ **Replies:** 0\ **Last updated:** [August 28, 2024, 12:10pm UTC](https://forum.1bitsquared.com/t/could-someone-give-me-advice-on-best-practices-for-diy-open-source-hardware-projects/259 "2024-08-28T12:10:33Z")
Hello there, I am new to the world of open source hardware and am particularly interested in DIY projects involving microcontrollers and custom PCB designs. I have been following the developments from 1BitSquared with g… --- ## [Blink Build error](https://forum.1bitsquared.com/t/blink-build-error/250)
**Author:** [@philtomson](https://forum.1bitsquared.com/u/philtomson)\ **Replies:** 1\ **Last updated:** [April 24, 2024, 12:59am UTC](https://forum.1bitsquared.com/t/blink-build-error/250 "2024-04-24T00:59:56Z")
I’m just getting started with my orangecrab board following the instructions for building the blink example and I get to the part where you’re supposed to run ‘make’ in the verilog/examples/blink directory and I get: 2… --- ## [Upgrading a T962a Reflow oven](https://forum.1bitsquared.com/t/upgrading-a-t962a-reflow-oven/126)
**Author:** [@esden](https://forum.1bitsquared.com/u/esden)\ **Replies:** 6\ **Last updated:** [March 7, 2024, 6:53pm UTC](https://forum.1bitsquared.com/t/upgrading-a-t962a-reflow-oven/126 "2024-03-07T18:53:10Z")
Hello everyone, Welcome to the first tutorial post in the 1BitSquared forum. :slight\_smile: People ask me on a regular basis what reflow oven I am using. I use two fully upgraded/modified T962a reflow ovens. You can ge… --- ## [Configure BMP as CMSIS-DAP](https://forum.1bitsquared.com/t/configure-bmp-as-cmsis-dap/230)
**Author:** [@Ajmal](https://forum.1bitsquared.com/u/Ajmal)\ **Replies:** 2\ **Last updated:** [January 2, 2024, 9:35am UTC](https://forum.1bitsquared.com/t/configure-bmp-as-cmsis-dap/230 "2024-01-02T09:35:55Z")
Hi, Is it possible to configure a black magic probe as CMSIS-DAP probe? --- ## [Ice breabker, icestick dofference](https://forum.1bitsquared.com/t/ice-breabker-icestick-dofference/241)
**Author:** [@AdrianB](https://forum.1bitsquared.com/u/AdrianB)\ **Replies:** 1\ **Last updated:** [December 16, 2023, 8:16pm UTC](https://forum.1bitsquared.com/t/ice-breabker-icestick-dofference/241 "2023-12-16T20:16:08Z")
What are the differences between an icestick and the icebreaker? --- ## [3.3v regulator overheating](https://forum.1bitsquared.com/t/3-3v-regulator-overheating/240)
**Author:** [@AdrianB](https://forum.1bitsquared.com/u/AdrianB)\ **Replies:** 1\ **Last updated:** [December 16, 2023, 8:14pm UTC](https://forum.1bitsquared.com/t/3-3v-regulator-overheating/240 "2023-12-16T20:14:18Z")
I installed Bowmans ja1 forth and immediately one of the 3.3v regulators became hot. The one near the blue LED. Any suggestions. --- ## [Migrating PLL from HX1K to HX4K](https://forum.1bitsquared.com/t/migrating-pll-from-hx1k-to-hx4k/232)
**Author:** [@simmerj](https://forum.1bitsquared.com/u/simmerj)\ **Replies:** 0\ **Last updated:** [July 31, 2023, 3:42pm UTC](https://forum.1bitsquared.com/t/migrating-pll-from-hx1k-to-hx4k/232 "2023-07-31T15:42:23Z")
I previously made a PLL for a 201MHz clock on my HX1K FPGA, but now I want to migrate my code to the larger HX4K FPGA, but the PLL isn’t working on the new chip. They are both the TQ-144 type chip. My code passes iceSto… --- ## [Help troubleshooting my good-old icebreaker](https://forum.1bitsquared.com/t/help-troubleshooting-my-good-old-icebreaker/228)
**Author:** [@sylefeb](https://forum.1bitsquared.com/u/sylefeb)\ **Replies:** 3\ **Last updated:** [May 30, 2023, 9:09pm UTC](https://forum.1bitsquared.com/t/help-troubleshooting-my-good-old-icebreaker/228 "2023-05-30T21:09:46Z")
Hi Everyone, Context A strange problem appeared on my good old icebreaker. To be sure, this is most certainly due to me doing too many hacks around it, as it has otherwise worked perfectly since 2020 and has proven sup… --- ## [USB ( FT2232 ) not recognized](https://forum.1bitsquared.com/t/usb-ft2232-not-recognized/210)
**Author:** [@hassin](https://forum.1bitsquared.com/u/hassin)\ **Replies:** 5\ **Last updated:** [October 22, 2022, 9:44am UTC](https://forum.1bitsquared.com/t/usb-ft2232-not-recognized/210 "2022-10-22T09:44:45Z")
Hello All, thanks to @esden and the community for this wonderful project. I have received my iCEBreaker v1.0e board, but so far I am unable to recognize it over the USB I have tried on both Ubuntu 20.04 and Windows 10 … --- ## [Trouble porting Pmod digital video Interface verilog to Basys 3](https://forum.1bitsquared.com/t/trouble-porting-pmod-digital-video-interface-verilog-to-basys-3/213)
**Author:** [@jriggs22](https://forum.1bitsquared.com/u/jriggs22)\ **Replies:** 0\ **Last updated:** [October 14, 2022, 8:23pm UTC](https://forum.1bitsquared.com/t/trouble-porting-pmod-digital-video-interface-verilog-to-basys-3/213 "2022-10-14T20:23:10Z")
Hey guys, I’m running into trouble on using the Pmod digital video interface with a basys 3. I tried both converting the sample verilog for the icebreaker and using sample verilog from black mesa labs from this link here… --- ## [PMOD Digital Video Interface - Unsoldered Ports](https://forum.1bitsquared.com/t/pmod-digital-video-interface-unsoldered-ports/203)
**Author:** [@Zynq\_Guy](https://forum.1bitsquared.com/u/Zynq_Guy)\ **Replies:** 1\ **Last updated:** [April 18, 2022, 7:58pm UTC](https://forum.1bitsquared.com/t/pmod-digital-video-interface-unsoldered-ports/203 "2022-04-18T19:58:46Z")
Hi, I was reading about the PMOD Digital Video Interface board that 1 Bit Squared is selling and the fact that there are unsoldered ports on the board is a source of concern. Can you tell me why 1 Bit Squared, in … --- ## [Colorlight 5A-75B as a FPGA Development Platform](https://forum.1bitsquared.com/t/colorlight-5a-75b-as-a-fpga-development-platform/141)
**Author:** [@marble](https://forum.1bitsquared.com/u/marble)\ **Replies:** 15\ **Last updated:** [March 15, 2022, 1:16pm UTC](https://forum.1bitsquared.com/t/colorlight-5a-75b-as-a-fpga-development-platform/141 "2022-03-15T13:16:26Z")
In this thread I want to discuss hardware designs and toolchains that could turn the Colorlight 5A-75B LED receiver card \[1\] into a usable FPGA development platform. In the start of 2020 people on twitter discussed the r… --- ## [Does Basys3 support product PMOD Digital Video Interface?](https://forum.1bitsquared.com/t/does-basys3-support-product-pmod-digital-video-interface/191)
**Author:** [@Tranquil921](https://forum.1bitsquared.com/u/Tranquil921)\ **Replies:** 5\ **Last updated:** [December 13, 2021, 12:03am UTC](https://forum.1bitsquared.com/t/does-basys3-support-product-pmod-digital-video-interface/191 "2021-12-13T00:03:39Z")
In my understanding, PMOD Digital Video Interface only requires two 12-pin Pmod, which Basys3 has. If Basys3 supports PMOD Digital Video Interface, where can I find some reference projects about this Pmod DVI? In other … --- ## [NewBe Question: Using a Breadboard](https://forum.1bitsquared.com/t/newbe-question-using-a-breadboard/193)
**Author:** [@grossd](https://forum.1bitsquared.com/u/grossd)\ **Replies:** 1\ **Last updated:** [November 22, 2021, 7:11pm UTC](https://forum.1bitsquared.com/t/newbe-question-using-a-breadboard/193 "2021-11-22T19:11:35Z")
Hello, I am new to FPGA and feel particularly interested in the icebreaker given that its open source, including its tool chain. I’d like to use it to write up little projects on a breadboard as well as together with a… --- ## [Module KiCAD footprint, symbol, 3D shape](https://forum.1bitsquared.com/t/module-kicad-footprint-symbol-3d-shape/176)
**Author:** [@SiccoDwars](https://forum.1bitsquared.com/u/SiccoDwars)\ **Replies:** 2\ **Last updated:** [October 19, 2021, 10:19pm UTC](https://forum.1bitsquared.com/t/module-kicad-footprint-symbol-3d-shape/176 "2021-10-19T22:19:37Z")
Hello IceBreaker community - I am looking for the KiCAD footprint and 3D model for the IceBreaker module. This so that I can use the IceBreaker as a component on a larger PCB. I’ve been searching for the past hour bus ju… --- ## [Dual Wielding KiCAD stable and upstream on Arch](https://forum.1bitsquared.com/t/dual-wielding-kicad-stable-and-upstream-on-arch/166)
**Author:** [@marble](https://forum.1bitsquared.com/u/marble)\ **Replies:** 1\ **Last updated:** [October 19, 2021, 10:15pm UTC](https://forum.1bitsquared.com/t/dual-wielding-kicad-stable-and-upstream-on-arch/166 "2021-10-19T22:15:41Z")
First things first. Out of convenience I am using Manjaro Linux, but everything shown here should in general work for all systems with systemd-nspawn. 1. Installing KiCAD Stable First install KiCAD as one would normally… --- ## [Pmod hdmi 4bits jumper](https://forum.1bitsquared.com/t/pmod-hdmi-4bits-jumper/187)
**Author:** [@darkvador](https://forum.1bitsquared.com/u/darkvador)\ **Replies:** 3\ **Last updated:** [October 1, 2021, 9:35pm UTC](https://forum.1bitsquared.com/t/pmod-hdmi-4bits-jumper/187 "2021-10-01T21:35:18Z")
what are the use of the jumpers on the 4 bits pmod hdmi thanks --- ## [New information on BMP upgrade?](https://forum.1bitsquared.com/t/new-information-on-bmp-upgrade/181)
**Author:** [@RandoSY](https://forum.1bitsquared.com/u/RandoSY)\ **Replies:** 0\ **Last updated:** [July 31, 2021, 6:55pm UTC](https://forum.1bitsquared.com/t/new-information-on-bmp-upgrade/181 "2021-07-31T18:55:50Z")
Wonder what and where the work was being done on upgrading the BMP to deal with chip shortages? --- ## [Why is the VCCIO\_2 connected to the Button?](https://forum.1bitsquared.com/t/why-is-the-vccio-2-connected-to-the-button/179)
**Author:** [@tuabu](https://forum.1bitsquared.com/u/tuabu)\ **Replies:** 0\ **Last updated:** [July 26, 2021, 7:31am UTC](https://forum.1bitsquared.com/t/why-is-the-vccio-2-connected-to-the-button/179 "2021-07-26T07:31:01Z")
I am building the icebreaker bitsy and in the schematic there ist the VCCIO\_2 connected to one side of the Button and is going to be pulled low when the button is pressed. Is this for the DFU-Bootloader or something else… --- ## [Why are jumpers shown on the board diagrams?](https://forum.1bitsquared.com/t/why-are-jumpers-shown-on-the-board-diagrams/163)
**Author:** [@otto9C9otto](https://forum.1bitsquared.com/u/otto9C9otto)\ **Replies:** 4\ **Last updated:** [October 27, 2020, 12:56am UTC](https://forum.1bitsquared.com/t/why-are-jumpers-shown-on-the-board-diagrams/163 "2020-10-27T00:56:59Z")
Why are jumpers shown on the Icebreaker board diagrams at PMOD1A, PMOD1B, and PMOD2? --- ## [NES/SNES Controller/Audio Pmod](https://forum.1bitsquared.com/t/nes-snes-controller-audio-pmod/46)
**Author:** [@esden](https://forum.1bitsquared.com/u/esden)\ **Replies:** 9\ **Last updated:** [October 22, 2020, 4:22am UTC](https://forum.1bitsquared.com/t/nes-snes-controller-audio-pmod/46 "2020-10-22T04:22:43Z")
Thanks to @lawrie we now have NES running on the iCEBreaker. I think it would be really good to have a single Pmod that allows us to easily plug in NES Controllers and get Audio out of the iCEBreaker. Main requirements: … --- ## [(WSL) Can't find iCE FTDI USB device](https://forum.1bitsquared.com/t/wsl-cant-find-ice-ftdi-usb-device/41)
**Author:** [@Carlos\_Diaz](https://forum.1bitsquared.com/u/Carlos_Diaz)\ **Replies:** 8\ **Last updated:** [August 9, 2020, 2:09am UTC](https://forum.1bitsquared.com/t/wsl-cant-find-ice-ftdi-usb-device/41 "2020-08-09T02:09:09Z")
Hi, Just got my iCEBreaker board and wanted to test it, sadly for me my linux box got broken so i gave WSL a try, i have installed all the requirements (icestorm, yosys, nextpnr for ice40). After adding the file /etc/u… --- ## [Video: "UCSC Open-Source Hardware and EDA Seminar: David Shah nextpnr"](https://forum.1bitsquared.com/t/video-ucsc-open-source-hardware-and-eda-seminar-david-shah-nextpnr/144)
**Author:** [@esden](https://forum.1bitsquared.com/u/esden)\ **Replies:** 0\ **Last updated:** [July 20, 2020, 3:12am UTC](https://forum.1bitsquared.com/t/video-ucsc-open-source-hardware-and-eda-seminar-david-shah-nextpnr/144 "2020-07-20T03:12:15Z")
Hey everyone, Thanks to Matt Guthaus for pointing out on Twitter that he invited @daveshah to present a more general introduction to nextpnr earlier in the year. https://youtu.be/dN6rJo43mgc It is another interesting … [Next page](https://forum.1bitsquared.com/latest.md?page=1)