Espressif has recently launched ESP32-C2 version which is very low cost 0.44 cent per unit for 1k MOQ and now available as ESP8684.
ESP8684 Technical Spec:
- RISC-V 32-bit single-core processor up to 120 MHz
- Industry-leading low power and RF performance
- Built-in 272 KB SRAM (16 KB is dedicated to cache), 576 KB ROM storage space
- 14 programmable GPIO pins:
- 12 bit SAR A/D converter
- Temperature sensor
- LED PWM controller
- 3x SPI
- 2x UART
- 1x I2C master bus
- 1x 54-bit general-purpose timer
- 1x 52-bit system timer, and two watchdog timers.
- QFN 4x4mm package
- It comes in 3 variants 1MB/2MB/2MB Flash
- Operating temperature is -40 to 105 Degree C
- Wi-Fi and Bluetooth 5.0 connectivity
For more details please check the ESP32-C2 / ESP8684 device datasheet.
ESP8684 / ESP32-C2 Block Diagram
ESP8684 Price information
It is understood that the 1k MOQ for ESP8684H1(1MB Flash version) is available for just 44 cents and the module will cost around 1.9$.
The Dev kit will cost 10.5$ which will have module and USB interface for flashing and power.
More details are available on the Espressif website.
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