Excavator Arm Kit - DIY Hydraulic Robotic Arm photocell The radio receiver and transmitter

The radio receiver and transmitter can operate simultaneously

but the signal controls speed and direction rather than a fixed angle

Bluetooth Uno-compatible layout Easy upgrade for many Arduino builds Bluetooth 4

The Crash Sensor Left is a vibration sensor designed for obstacle detection

ATmega328P-based: A proven microcontroller for countless beginner and intermediate projects

Excavator Arm Kit - DIY Hydraulic Robotic Arm photocell The radio receiver and transmitterPractical Electronics Module for Maker, Student, and Prototype Builds The Excavator Arm is a practical electronics module from Circuitrocks for students, makers, and repair friendly builds. It fits well in projects that need general project use, while keeping setup straightforward for testing and prototype work. Compared with generic parts, this product stands out through details such as electronics module. That makes it a solid choice for Arduino,