ESP32-C3
Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.
What the ESP32-C3 family does
The ESP32-C3 is an ultra-low-power System on Chip integrating a RISC-V single-core CPU, 2.4 GHz Wi-Fi, and Bluetooth 5 Low Energy. This family includes the ESP32-C3, ESP32-C3FN4, ESP32-C3FH4, and ESP32-C3FH4AZ variants. It features a 160 MHz processor, 400 KB SRAM, and 384 KB ROM. The chip supports data rates up to 150 Mbps for Wi-Fi and speeds up to 2 Mbps for Bluetooth. It operates on a single supply of 2.7 to 3.6 V. The device is typically used in applications requiring simultaneous Wi-Fi and Bluetooth connectivity, such as smart home devices, wearables, and IoT sensors. It includes hardware security features like secure boot and encryption engines.
ESP32-C3 datasheet parameters
| Parameter | Min | Typ | Max | Conditions | Source |
|---|---|---|---|---|---|
| output current (abs max) | — | — | 1 A | ioutput2; Absolute Maximum Ratings | Espressif datasheet, p. 43 — Table 4-1. Absolute Maximum Ratings |
| supply voltage range | 3 V | 3.3 V | 3.6 V | vdd3p3; Recommended Power Characteristics | Espressif datasheet, p. 43 — Table 4-2. Recommended Power Characteristics |
| operating temperature | -40 °C | — | 105 °C | Espressif datasheet, p. 11 — Table 1-1. ESP32-C3 Series Comparison | |
| operating frequency | — | 1.75 kHz | — | carrier; Transmitter Characteristics - Bluetooth LE 1 Mbps | Espressif datasheet, p. 49 — Table 4-18. Transmitter Characteristics - Bluetooth LE 1 Mbps |
| output power | -24 dBm | 0 dBm | 20 dBm | rf; Transmitter Characteristics - Bluetooth LE 1 Mbps | Espressif datasheet, p. 49 — Table 4-18. Transmitter Characteristics - Bluetooth LE 1 Mbps |
| sensitivity | — | -97 dBm | — | Receiver Characteristics - Bluetooth LE 1 Mbps | Espressif datasheet, p. 51 — Table 4-22. Receiver Characteristics - Bluetooth LE 1 Mbps |