Teensy 4.1 (Without Pins)

Technical Specifications - 10/100 Mbit DP83825 PHY Ethernet - USB Host (5 Pins w/ Power Management) - Micro SD Socket SDIO (4 Bit Data) - 35 PWM Pins - 18 Analog Inputs - 8 Serial Ports - 8 Mbyte Flash Memory - QSPI Memory (2 Chips Plus Program Memory) - 42 Breadboard Friendly I/O - 7 Bottom SMT Pad Signals - 6 SD Card Signals - 55 Total IO Pins