Testing HaLow using the silex AP-150AH route
This is how I got everything working: alan@dev:~$ ssh pi@192.168.0.10pi@raspberrypi:~ $ ls /sys/bus/sdio/devices/ mmc1:0001:1 mmc1:0001:2pi@raspberrypi:~ $ sudo ./sx-sdmah/load_driver.sh Morse_cli...
View ArticleTesting the NVMPG using the NuttX firmware
I used Claude’s help to reverse engineer the NVMPG firmware and to create an open-source firmware replacement using NuttX RTOS. If you don’t know about NVMPG is, it is a MPG (Manual Pulse Generator:...
View ArticleConfiguring FreeCAD to export each gcode .nc file separated
1. Export one .nc file per tool Select the Job and change these in the Property view (they’re also on the Output tab when you double-click the Job):...
View ArticleComo assinar documentos usando o gov br
Acesse: https://www.gov.br/pt-br/servicos/assinatura-eletronica
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Links about PTP IEEE-1588
During my investigations I discovered there are 3 ways to use PTP on microcontrollers:1) Using a MCU with Ethernet MAC supporting PTP 2) Using a PHY that detects Start of Frame (SOF)/Start of Frame...
View Article3D Printing micro objects
Very interesting project:https://www.youtube.com/watch?v=UvV2CH5il3Q
View ArticleESP32 WiFi error: ERROR: netlib_obtain_ipv4addr() failed
Discussed here:https://github.com/apache/nuttx/issues/17736
View ArticleHow to restore a Firefox session before the previous session?
I did a silly thing: I used Firefox to test the Documentation html page generated by “make html” on NuttX, then after that I closed Firefox, and run again that “firefox index.html”. Until here, it was...
View ArticleI found a git tui diff tool
Very interesting: https://github.com/ArthurSonzogni/git-tui
View ArticleFreeIMU Calibration
Another nice article:https://github.com/mjs513/FreeIMU-Updates/wiki/04.-FreeIMU-Calibration Another interesting article for...
View ArticleTutorial: How to calibrate a compass (and accelerometer) with Arduino
Tutorial: How to calibrate a compass (and accelerometer) with Arduino
View ArticleAchieving cm Level GNSS Accuracy Via RTK
Nice article: https://www.semuconsulting.com/gnsswiki/rtktips
View ArticleEmbedded systems projects need real CI hardware test
Some years ago (whoa, just realized it was 10 years ago) I added an Audio Tone on NuttX:https://github.com/apache/nuttx/commit/8b99dd4cdb014a90c0971027f8d6b12b89306aaeI cannot say that it was my own...
View ArticleSimple BLE client for Linux
Seems like a good starting point: https://github.com/jjjsmit/BluetoothBLEClient
View ArticleSLAM Introduction
Nice introduction to SLAM image recognition:https://www.thinkautonomous.ai/blog/visual-slam
View ArticleUsing a Nonlinear Crystal KTP to create a SFG/SHG solution
I’m doing an experiment with KTP and two lasers (1052nm and 1550nm), this is the first time I try to create some more advanced optic project. Initially I was thinking it was just shining the laser...
View ArticleFixing the DJI RC2 login error “Check network”
I was having a strange error with my DJI Air3s drone, it was reporting that I wasn’t connected. Then after I try to connect typing my email (and confirming the agree checkbox) it was reporting “Check...
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