For those who wonder why use a PIC16F887 and not some development interface such as arduino or perhaps raspberry, I can say that it is because in the school they made it a goal to use this microcontroller in order to increase our knowledge and perhaps...
I have made some progress on the keyboard controller since the last log entry.As we learned last time, our USB keyboard will need to send a specific scancode for each button pressed. All other logic (interpreting the keypresses) is done on the computer...
Hello world! Of course, that was the first thing I typed into my new, beautiful keyboard. Now it is working perfectly, even though it looks a bit messy:If you have a really good memory, you'll remember that the keyboard connector is on backorder for...
So I had that problem with the polarity-protection MOSFET. It looked like it wasn't coming on and it was throttling the input supply voltage. But I couldn't reconcile the voltages I was seeing to the voltage/current curves of the DMP3098. There's no...
Well, the title kind of says it all. So far, there's been no success getting the FPGA to configure.I attached the CAT Board to the RPi, transferred the FPGA bitstream to the RPi, and installed the shell script for downloading the bitstream to the FPGA....
Hi everyone, many logs/files/links have been published in the last couple of days ! We’re very excited to be sharing all of this with you but we know it’s a lot of information, so if you are a bit lost and wondering the exact state of advancement...
The History After WW2 the UKW broadcasting has triumphed over other kinds of terrestric broadcasting due to its outstanding quality (FM vs. AM). The ancient receivers have been tube-operated and special USW add-ons (ultra short wave, 87.50 MHz to 108.00...
What is it ? End of August, my brother designed a small PCB to accomodate the excellent project OpenXsensor on Raspberry Zero. Mstrens published a very versatile solution to use this cheap but powerful MCU to get a multiProtocol solution for telemetry....
CitizenWatt Sensor Building Most of the documentation is coming from the CitizenWatt.Sources for Hardware part of the CitizenBoard can be found HERE.Sources for Software part of the CitizenBoard can be found THERE.Step by step CitizenWatt Sensor mounting...
The display array is a board that sets 6 ST7735 display with a resolution of 80x160px in a linear array sharing the clock, data, rs, backlight pins together, and leaving individual access to the cs lines of each display, This board allows you to display...
The Adventure Begins The enthralling tale of Dreamdrive64 finds its origin in the PicoCart64 project. In the sun-soaked summer of 2022, I embarked on a thrilling new chapter, fueled by an abundance of free time and an unwavering passion for custom...
Please check out the Github for all future updates: https://github.com/lambdamikel/picoram6116 A follow-up to my 2114 SRAM Emulator. This time I am targeting the 6116 SRAM chip - full 2 KBs and a serious CPU at full speed (i.e., Z80 @ 1.8...
So it has been a long time since the last update, but here goes.... So I built up the Grant Searle / Jeff Tranter Single board 6809 computer on a breadboard: If you haven't checked out the minimal 6809 on their sites its a good read both of them,...
Demo Videos: The final CPC Portable playing "Oh Mummy!": Build Objectives In principle, I am not a big fan of case mods. Being a collector of retro computers, I strive to restore and preserve the original hardware. This cost-reduced CPC 464...
Top 3 struggles I have with robots and how this project solved them. 1) Cost too much. Mostly because of expensive servos and high end processors. - Designed a cheap driver/sensor board to read the absolute angle of the motor joint and run the...