4 USB Ports, Compatible with USB2.0/1.1 Onboard USB to UART, with enable/disable switch, convenient for Raspberry Pi serial debugging and avoiding conflict Onboard multi indicators, for monitoring the status of power, USB to UART, and each USB port
RP2040 microcontroller with 2MByte Flash Dual-core cortex M0+ at up to 133MHz 264kByte multi-bank high-performance SRAM 30 multi-function General Purpose IO (4 can be used for ADC) 1.8-3.3V IO Voltage (NOTE. Pico IO voltage is fixed at 3.3V) 12-bit 500ksps Analogue to Digital Converter (ADC)
Encrypted root file system Secure key storage and generation Physical tamper detection ? perimeter breach, accelerometer Measures and authenticates the identity of a host device Supports TLS client certificates and digital signatures Precision Real-Time Clock, battery-backed