ESP32-C61

Figures here are compiled from Espressif's official datasheets, with the source linked on each page. Mistakes are possible, so if something looks off, please report it.

Specifications

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CPU	RISC-V, 1-core @ 160 MHz
SRAM / ROM	320 / 256 KB
Wi-Fi	Wi-Fi 6
Bluetooth	BLE 5.x
802.15.4	No
Deep sleep	10 µA

Modules based on ESP32-C61

ESP32-C61-WROOM-1
ESP32-C61-MINI-1

Software & firmware

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Notable open-source software & firmware known to run on this chip. Support evolves, so check each project for its current board support.

SDKs & languages

ESP-IDF★ 18k
Espressif's official IoT development framework (FreeRTOS-based, C/C++); the reference SDK for every modern ESP32-family chip.