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Smart approach to designing high-power dissipation devices uses multiboard construction.

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Another interesting ๐Ÿšฒebike controllerteardown. Now it's much more smaller and uses advanced multiboard construction, which can be used for your high-power projects.

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Simple unobvious flag that make a change to use ESP32-S3 with PSRAM at industrial operating temperature range.

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Important note about standard 4-pin PC fan when using PWM signal to control it.

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Small thing, that could damage your devices and should be taken into account when using isolated DC-DC modules.

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How to deal with addressable RGB LED (like WS2812B) when you have only 3.3V rail?

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It's logical to just connect PHY to Ethernet switch using RJ45 Cat cable, but for real schematic you will want to use optimized solution without additional isolation transformer.

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JLCPCB and EasyEDA have huge library of components (maybe one the big in the world), so why not try to use their footprints for your designs in KiCad?

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Tiny ESP32-C3 development board has USB support for serial communication, but it's not work in Platformio without by default. Here is simple solution to fix ESP32-C3 with Platformio.

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Let's take a look at the Chinese cheap (but no bad) controller for brushless motors (BLDC) with full water protection and aluminum case-heatsink.

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Example of the custom aluminum board with LEDs and USB-C power port and additional optional temperature monitoring sensors (both digital and analog).

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Let's take a look at the simple example of using interrupt from hardware timer to generate signal at the one of the GPIO pin.

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Demonstration of the Power Good (PG) pin working of DC-DC converter and where it could be useful

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Category:DC-DC Converters, Buck-Boost, Low Power Consumption
Severity:๐ŸŸฅ High
Resolution:๐Ÿ“Ÿ Hardware
Description:When you have battery powered device with low power consumption the device current during standby should be as small as possible, so in this article you will see how important to have low quiescent current of DC-DC converter.
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admin admin Powering addressable LED WS2812 5V when system has only 3.3V

I can't see image. But it's not good approach for most applications...
22 days ago

Dante12864 Powering addressable LED WS2812 5V when system has only 3.3V

I think powering boost DC-DC converter directly from battery would...
24 days ago

admin admin ๐Ÿ•ฐ RTC Battery Power with Automatic Switching to Main Source

If powering from switching rail (like +3.3V_SW) โ€” OK (because it...
30 days ago

Ahtisham Ahmed ๐Ÿ•ฐ RTC Battery Power with Automatic Switching to Main Source

Why can't I use the p-channel MOSFET solution if I am giving power...
1 month ago

damar How to import Altium Designer PCB board in KiCad?

humba humba bumba bumba kamba kamba
1 month ago

admin admin ๐Ÿ“ถ HS402 WiFi Android Oscilloscope (ESP32 + STM32)

It's not my link, it's link where from I downloaded files. Backups...
4 months ago

agrha ๐Ÿ“ถ HS402 WiFi Android Oscilloscope (ESP32 + STM32)

โžก๏ธ Source: https://drive.google.com/drive/folders/1WdWcisx70J...
4 months ago

Stephen How to write custom KiCad rule exception? Simple example of courtyard overlap resolve

Great tip, just came across your site (now bookmarked) amazing and...
4 months ago

jose antonio ๐Ÿ’ป HS402 3.0 ANDROID STM32 Oscilloscope PCB and assembling

Is there a way to know how to do ADC sampling I tried to do...
9 months ago
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