- generate an RSA keypair (Public and Private key) on a ESP32 and on B4x
- export these keys in PEM format (compatible with any other plattform like B4x, .net...
When you buy a WeMos it doesn't come assembled with the pins soldered. You will have to solder the pins. In the following schematic and code you will find a way to check the solderings of GPIO...
This is a sample project for the IR control of the DSTV Explora Model 2A decoder (Digital Satellite TV). The hex codes comes from the B4A project that I have posted here. The B4A...
I didn't really know what SPIFFS stood for. I knew the basics of what it was but still I should have known more about it, so here is some information about SPIFFS.
So long that I haven't played with B4R ! Today I want to test a vibration sensor (it's on a closed case yet)
The sensor signals when a sensor shake happens. It's a simple sensor (detected/not...
Hello all
This is the same as Erel's "Button Example" modified by Klaus. All what I did is replacing the mechanical switch with a touch switch module. So simple that the images speak for...
This is a very useful tutorial by the guy in dronebotworkshop which opened new horizons for me since I didn't know there were two kinds of shift registers (actually four). Enjoy:
Hello all, I read a few posts asking about the power supply requirements of the Bluetooth module. I thought I can put this hint so people can use the right voltage or power supply.
The HC-x comes...
This project is a parking detector. It is not my idea and it exists already in Stavros Niarchos Foundation Parking already materialized but it has been a great pleasure analyzing it...
This is by 99% a tutorial and by 1% a question. The file in the link contains some notes for me I devised from a lot of tutorials on how to burn a bootloader to a ATMEGA328P-PU wired on a...
I didn't know what was the difference was between Big-endian and Little-endian, so I just looked up about it on the internet as I needed to know the difference for a sketch I was converting. I...
Temporary solution:
After you start compiling and compiling log reachs uploading sketch stage, you should continuously press BOOT button on ESP32 board until uploading complete...
Last night I found this guy who explains everything simply and very detailed. Here he explains how to load our Arduino sketch directly (or indirectly) in an ATMega328P-PU...
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