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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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ImageNew interesting simple solution for high current applications, that can be used with ordinary FR-4 PCBs.

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Category:Voltage Monitoring, Battery Charge Measurement, Low Power Consumption
Severity:๐ŸŸจ Low
Resolution:๐Ÿ“Ÿ Hardware
Description:When you have battery powered device with low power consumption during standby the device current should be as small as possible, so voltage divider from battery should be controlled and be enabled only during ADC measurement.
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Category:Power Control related, GPIO pins
Severity:๐ŸŸฅ High
Resolution:๐Ÿ“„ Software or ๐Ÿ“Ÿ Hardware
Description:If load switch pulls power rail to ground any high signal cause current leakage through internal ESD diode.
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How to start with the new interesting ESP32C2 (ESP8684) SoC using modern and convenient VSCode IDE.

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Fixing incorrect predefined XTAL (onboard crystal) frequency, that cause incorrectย frequencyย of output PWM signal and rubbish charactersin debug terminal.

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Let's find out the ESP32 internal pull-up/pull-down resistance by measuring of the real resistance of the using ampermeter.

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This advice can significantly improve your components library for achieving better precision of mechanical sizes.

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Make board tracing more enjoyable and electrical schematics easy-to-read using net coloring, this feature is available in KiCad and Altium Designer.

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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...
2 months ago

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

I would say up to ~700 kHz, if we talk about rectangular signal...
3 months ago

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

What is maximum frequency it can measure accurately ?
3 months ago

Tom ๐Ÿ“˜ Export hex and binary file (firmware) from STM32CubeIDE

Thank you! It was very usefull alhorithm to set hex-file generation...
6 months ago

admin admin How to open terminal in STM32CubeIDE (without install)?

Firstly open Device Manager (Win + R -> devmgmt.msc -> Enter...
8 months ago

Andrea How to open terminal in STM32CubeIDE (without install)?

Que hago si no me aparece ninguna opciรณn de Serial port
8 months ago

Phillip ๐Ÿ“˜ How to download step 3D model from EasyEDA/LCSC/JLCPCB?

Thank you for posting this. It has been very useful.
8 months ago

simone gasparella ๐ŸŒก๏ธ Get temperature from STM32 internal temperature sensor (simple library)

hiโ€ฆ thanks a lotโ€ฆ reading some comment from ST they suggest to...
1 year ago

Durai M Simple buzzer library for STM32 HAL

Im using passive buzzer, everything is ok but buzzer sound is very...
1 year ago
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