ESP32-C3_Zen Development Board

Bare metal ESP32-C3 DevBoard

transperent design;
compact size;
connects to the power rails on a breadboard;
can be powered by USB-C port or external power supply;
3.3V and 5V power supplies;
GPIOs arranged into 4 groups for easier identification;
on-board ESP32-C3 Module with USB-C port allows to flash a firmware as you work with breadboard;
debugging points;
power pads makes it easy to connect alligators supplying voltage to the board;
on-board system LEDs: power, and module reset mode;
on-board push switch for Reset and Flash modes;
on-board push switch and LED for your needs;

single-core
32-bit RISC-V MCU @ 160 MHz
400 KB of internal RAM
RSA-3072-based secure boot and the AES-128/256-XTS flash encryption
low power-mode support
Rich connectivity for IoT applications: Wi-Fi and Bluetooth 5 (LE) with long-range support
Bluetooth LE SIG Mesh and Wi-FI Mesh support
22 GPIOs

Schematic