Castellated module allows soldering directly to carrier boards., USB 1., 1 with device and host support 12 × Programmable I/O (PIO) state machines for custom peripheral support Low-power sleep and dormant modes. ESP32 P4 NANO KIT C development board with Wi Fi 6, Bluetooth 5, camera, speaker, and PoE Waveshare 29030 on line store Waveshare RP2350-Zero Mini Development Board, Raspberry Pi Microcontroller Development Board, Based On Raspberry Pi Dual-core & Dual-Architecture Microcontroller, with Pre-Solder Header 5PCS Version-RP2350A microcontroller chip designed by Raspberry Pi in the United Kingdom. 520KB of Static Ram, and 4MB of on-board Flash memory. Accurate clock and timer on-chip. Latest user manual available upon request. 29 x multi-function GPIO pins (20 x via edge pinout, others via solder points). RP2350-ETH Mini Dev.Board, RP2350 Ethernet Module, Raspberry... 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 24 × controllable PWM channels Waveshare RP2350 -Zero Mini Development Board, Raspberry Pi Waveshare Rp2350 Zero