3V (not 5V tolerant) Recommended Input 7 to 12V (barrel jack) Flash 512 KB SRAM 96 KB Digital I/O 54 (12 PWM) Analog In 12 Analog Out (DAC) 2 Hardware Serial 4 UARTs USB Native USB + Programming USB Only use shields rated for 3
5v GND GND Dimension 32mm x 14mm Interface Analog and digital Wiring & usage notes
For permanent projects that need to withstand being installed or used repeatedly
most jumper wires come in lengths ranging from a few inches to several feet
credit card sized bomb of DIY joy
DFRobot Hexa Base Servo Rotation Kit - ROB0114 tcst2103 3V (not 5V tolerant) RecommendedCompact Servo Control for Robotics, RC, and Motion Builds The Servo Rotate Hexa Base Kit is a practical servo motor from Circuitrocks for students, makers, and repair friendly builds. It fits well in projects that need general servo motion control, while keeping setup straightforward for testing and prototype work. Compared with generic parts, this product stands out through details such as servo motor. That makes it a solid choice for Arduino, ESP32,