Exploring the Versatility of ESP 32 C3 Series The IoT industry has experienced significant growth, becoming a mainstream market with increasing demands for features and affordable pricing. Recognizing this trend, Espressif understands the importance of balancing features and cost when developing new products. One of their notable products is the ESP32 C3 , introduced in November 2020. It is a single- core, 32-bit MCU based on the RISC-V architecture, equipped with 400 KB of SRAM and a 160MHz processor. The ESP32-C3 includes 2.4 GHz Wi-Fi and Bluetooth 5 (LE) with long- range capabilities. It offers 22 programmable GPIOs that support various interfaces such as ADC, SPI, UART, I2C, I2S, RMT, TWAI, and PWM. ESP32-C3-Wroom-o2 Features: MCU:- ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz 384 KB ROM • 400 KB SRAM • 8 KB SRAM in RTC WiFi:- IEEE 802.11 b/g/n-compliant 1T1R mode with data rate up to 150 Mbps A-MPDU and A-MSDU aggregation 0.4 µs guard interval Operating frequency: 2412 ~ 2484 MHz Bluetooth:- Bluetooth LE: Bluetooth 5, Bluetooth mesh