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I had some fun with the Adafruit TLV320DAC3100.
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A picture is worth a thousand LLM prompts: Horizontal value is the input value x for cosf(x), ranging from 0 to 2π.
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I had a few hours of “fun” figuring out why my RP2350 could use my ILI9341 display, but not the ST7796 one.
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Context I have a RP2350 and an SSD1306 module.
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Following my adventures (part 1, part 2) with the RP2350-USB-A, I took another look at the alternatives.
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What’s better for New Year’s Eve than debugging some USB hardware issues?
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tl;dr: you need to desolder R13, the resistor closest the pin 6 of the board, as indicated by the red arrow in the cover picture of this article Context I am currently toying around with emulating a USB device.
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The previous series of articles about UART was initially motivated by an error I was getting when using the ESP-Prog.
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The mystery In the previous article, I briefly mentioned a slight difference between the ESP-Prog and the reproduced circuit, when it comes to EN: Focusing on EN, it looks like the voltage level goes back to 3.3V much faster on the ESP-Prog than on the br…
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In the previous article, we peeked at the reset circuit of ESP-Prog with an oscilloscope, and reproduced it with basic components.