Keith Mukai on Twitter: "Next @SeedSigner dev/DIY board eval: Espressif ESP32-S2 Saola-1R * $8 * esp32-S2 * 4MB ROM, 8MB RAM * tons of gpios My verdict: Its broad footprint sucks, but
![HEAP][v4.4.3][ESP32-S3] only 225KB of the 520KB SRAM is available for the heap. Why so little? (IDFGH-8857) · Issue #10281 · espressif/esp-idf · GitHub HEAP][v4.4.3][ESP32-S3] only 225KB of the 520KB SRAM is available for the heap. Why so little? (IDFGH-8857) · Issue #10281 · espressif/esp-idf · GitHub](https://user-images.githubusercontent.com/1863934/204941045-6a7d4b0f-d5bd-4844-9faf-c32714f64075.png)
HEAP][v4.4.3][ESP32-S3] only 225KB of the 520KB SRAM is available for the heap. Why so little? (IDFGH-8857) · Issue #10281 · espressif/esp-idf · GitHub
![Amazon.com: ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA Compatible with Arduino IDE (1 PCS) : Electronics Amazon.com: ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA Compatible with Arduino IDE (1 PCS) : Electronics](https://m.media-amazon.com/images/I/612qHR9BZgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA Compatible with Arduino IDE (1 PCS) : Electronics
![ESP32 Programmers' Memory Model. Internal memory of the MCU is probably… | by Amey Inamdar | The ESP Journal ESP32 Programmers' Memory Model. Internal memory of the MCU is probably… | by Amey Inamdar | The ESP Journal](https://miro.medium.com/v2/resize:fit:1400/1*nW1Nu_r5SOh8m5_1yLqfxw.png)