Adafruit ItsyBitsy RP2040
$55.72
$81.91
Chip: ATMEGA4809 Clock Speed: 20MHz Memory: 48KB Interface: USB, SPI, 12C, UART USB Vin: 5V Input VIN : 6-21V Operating Voltage: 5V I/O PINS: Digital PIN 14, PWM 5, Analog 8 Dimensions: 18x45mm
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