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Debugging
Log from 8 Bit TTA Interpreter
Debugging Need to get this project working. One problem is that the Nano does not have enough pins. So I have used a Meduino (a Mega2560 Pro Mini). Here is the schematic: Here is the PCB: The ports (P1 & P2) match the TTA8 bus. A problem with the Meduino...

Different SD card MBR formats
Log from OSI SD Card Operating System (OSISDOS)
I tried a couple of other cards and found that they have different MBR formats with no header. I noted this in a previous log. There's an offset at 0x01BE that points to the MBR. My theory is this is true for "bigger" cards. I think the reason I could...

ETTL protocol with the EOS RP & 580 EX II
Log from Wireless ETTL flash conversion
The STM32 board was just a hair bigger than the PIC, but the biggest pieces are still the power switch, channel button, & battery. The plan is just to print an L enclosure which scotch tapes around the hot shoe & sticks up. The antenna will...

Smooth operator
Log from SMidi - Soft MIDI Pedals
Put the capacitive reading code to use.Started with code from here: https://forum.pjrc.com/threads/31797-Teensy-FSR-based-MIDI-controllerAdded a calibration stage where it detects the base capacitance at startup.Modified it to use this library for smoothing...

Days 3,4,5: Eureka, sound and images found!
Log from Tsukuyomi
1. Toolchain not found After stepping away few days far from my PC for family reason, I resumed my activities on the Tsykuyomi project.So I started by reading the https://github.com/WHhkwong/SIPI_Bear_playback code and looking for a SNC7001A Toolchain/SDK...

ALU tested by PIC
Log from NEDONAND homebrew computer
Today I successfully tested assembled 4-bit ALU (previous revision of NEDONAND-4 board with four NEDONAND-1 connected). In order to do this I slightly modified the board to connect nedoCPU-16 with it: Then I wrote a simple program in PIC assembler that...

Day2: more exploration ...
Log from Tsukuyomi
1. Datasheet.So thanks to the datasheet, we know now that Lunii chipset is based on a 16bit DSP core and I also found out that the 10 pts connector is belonging to ICE-Debug (very known in the arduino/avr world) and not for UART or SWD.Unfortunately...

Research Report
Log from 2021 HDP Dream Team: EJA
At a high level, the problem area is known as abandoned, lost, or otherwise discarded fishing gear (ALDFG) retrieval. This fishing gear is known as ghost gear, and falls into the wider scope of marine debris. Ghost gear has a tremendous impact on nature:...

Rewrite code with FastLED + Gamma Correction
Log from SkyLight
Today, i rewrite a code of ambient light of arduino module applied FastLED library carefully. Why? there are 3 important thing, 1) the legacy code of adalight is based on SPI that is used by a RF module too. I think move pin in code of adalight from...

Rev1 Voltage Test
Log from Multimeter
I did another test with the rev1 prototype, this time only measuring voltage, and bringing it all the way to the maximum voltage of 60V. Again I am doing calibration and comparison to my Fluke 101 Multimeter. This has a problem as the Fluke 101 does...

A brief Theory on Hydroponics
Log from Teleimperium
Hydroponics is the act of growing plants without the use of soil. When growing plants in soil, water serves to make nutrients in the soil soluble and provides oxygenation for the plant's roots. In Hydroponics, however, the nutrients are instead made...

The strawberry died
Log from GrowInBox
It's been a long time since I last posted a project log and I've been trying to get myself to writing this one for a long time. I started writing it a long time but my computer crashed mid-log.Anyway. I left the strawberry resting on the windows sill...

Quick Update 03/10/22
Log from UltraTower
Currently, I am checking the new PCB and changing the code. As soon as it's ready I'll publish it. Corrections: There were2 errors on my PCB one on the pin of the DHT22 and one on the 5V pump which consumed too much power for the 2N7000. Everything...

Quick Update 03/10/22
Log from UltraTower 2023
Currently, I am checking the new PCB and changing the code. As soon as it's ready I'll publish it. Corrections: There were2 errors on my PCB one on the pin of the DHT22 and one on the 5V pump which consumed too much power for the 2N7000. Everything...

Building a model system
Log from Teleimperium
Since last post we've won a LightBlue Bean from http://punchthrough.com. It is a neat little Arduino compatible bluetooth dev board, hopefully we can integrate it into our project. The first step to this project is to get a simple hydroponics system...

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