Description Based on RDA5981A SOC, should be 8Mbit internal flash. This is a very new IC, price for 5981A is about 1 USD, according to sales, still have some bugs currently. We will sell this soon. ARM Cortex M4F Core, 160M frequency speed. Up to 16 free GPIOs 2x UART up to 4Mbit, 8x PWM, 4x SPI, 2x I2S, etc 288 160 Bbyte RAM Software support popular mbed OS programming. Each purchase includes: one module one breakout red PCB. More features, documentation please see documentation here.
