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Question of the Month: What’s the most frustrating part of working with modern micro-controllers?

cstanton

Micro-controllers are at the core of most embedded systems, but working with them isn’t always smooth. From confusing datasheets to fragmented tool-chains, even experienced engineers can hit roadblocks. This month, we want to know:

Bonus question:

What micro-controllers are you currently using? (and why that one?)

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  • As a hobbyist, my microcontroller of choice for 75% of my projects in the last few years has been the ESP32S3.  It is a good compromise of functionality, cost, power, and it is widely available on low cost development boards.  It is also supported by multiple development chains (ESP-IDF, Arduino IDE, Platform IO)  and has good documentation.  My favorite dev board implementation is the Seeed Xiao which has a small footprint and castellated pins which allows integration on other PCBs.  The biggest constraint of the Xiao has been the number of available IO pins but it solves most of my project needs (WiFi/BLE, I2C, UART, SPI, PWM) and it is also available in other MCU variations.

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  • As a hobbyist, my microcontroller of choice for 75% of my projects in the last few years has been the ESP32S3.  It is a good compromise of functionality, cost, power, and it is widely available on low cost development boards.  It is also supported by multiple development chains (ESP-IDF, Arduino IDE, Platform IO)  and has good documentation.  My favorite dev board implementation is the Seeed Xiao which has a small footprint and castellated pins which allows integration on other PCBs.  The biggest constraint of the Xiao has been the number of available IO pins but it solves most of my project needs (WiFi/BLE, I2C, UART, SPI, PWM) and it is also available in other MCU variations.

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