What's actually available?
14 currently available or announced models (ESP32, S2, S3, C2, C3, C5, C6, C61, H2, H4, P4, E22, H21, S31) as of July 2026, including the three announced since September 2025 (E22 Wi-Fi 6E, H21 BLE/802.15.4, S31 with Gigabit Ethernet). The comparison table lists ...
Search found 3 matches
- Tue Jul 21, 2026 8:25 am
- Forum: General Discussion
- Topic: ESP32Features – What, How, Why, What-for: a reference for the four questions before any chip decision
- Replies: 0
- Views: 28
- Sun Sep 09, 2018 11:42 am
- Forum: ESP32 Arduino
- Topic: Understanding free heap memory
- Replies: 4
- Views: 31383
Understanding free heap memory
I have long wondered why - in contrast to other MCUs architectures - there is so much discussion and speculation about free memory management on ESP32. This seems to be not only a compiler problem, as discussed here, but above all a general memory management problem and the understanding of the ...
- Sat Feb 03, 2018 9:52 am
- Forum: Report Bugs
- Topic: Guru Meditation Error of type StoreProhibited occurred on core
- Replies: 1
- Views: 5980
Guru Meditation Error of type StoreProhibited occurred on core
The ESP32 example WifiScan.ino was compiled with Arduino IDE 1.8.4 for the M5Stack Core (Gray with 4MB RAM) and started properly. After some loops, probably in WiFi.scanNetworks() strange things happen, and I don't understand the trace massages. What happened? And what is this overkill at the end ...