First of all the original remote control of the rc car was lost. So i took my old Fly Sky controller. I read in the PWM signal from the receiver with an ESP32 board. Than some mathematics remap the signal to control the DC motors of the car with a monster motor shield.
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If you’ve used KiCad before, you’re certainly familiar with the handy 3D view that shows you a rendered view of what your assembled board would look like. But as [Vadim Panov] explains, you can take this capability a step further.
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As part of my HC-12 hacking project I needed to acquire the firmware of an STM8 microcontroller that had readout protection enabled. Readout protection is selected by programming the ROP option byte to 0xAA.
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I got the Xbox adaptive controller for a few weeks now and it’s quite an impressive device. Its goal is to help gamers with limited mobility. But once you know how it works you can actually use it to interface with any device you can think of others than gaming.
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The Nintendo Game Boy contains an audio amplifier chip for sound through a speaker or headphones. In this post, I reverse-engineer this chip and compare it with the later Game Boy Color chip (reverse-engineered earlier).
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This is a design review checklist for signoff review on all PCB designs. Please use my checklist, I made these mistakes so you don’t have to! Nearly every line item here came from the school of hard knocks.
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When you have worked with VHDL code written by many other FPGA engineers, you are bound to notice that there are two common ways to model an edge detector in VHDL. There’s the rising_edge(clk) statement, and there’s the old style clk’event and clk = ‘1’ method.
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With some clever hacks and fast IO work, it’s possible to get your average garden-variety microcontroller to output some form of video. Old analog standards like composite and VGA are just slow enough that it’s possible to bitbash one’s way to success.
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This weekend, I decided to fully restore a Super Nintendo “1CHIP” console I had and wanted to post what I did, as well as why I did it.
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