This board is a good fit for learning
The Reflectance Sensor Array QTR-MD-05RC 5-Channel 8mm Pitch RC Output is an optical interrupter sensor with digital output designed for obstacle detection
plus 50 jumper wires LEDs 40x (red/green/blue/yellow) + RGB Resistors 220R
Battery Charging: Used in applications that need a 12V power source to charge battery or power peripherals
This spool comes in a vivid Brown color with consistent diameter for smooth
Capacitive Proximity Sensor LJC18A3-H-Z / BY 3w stereo This board is a goodDetect Nearby Objects Without Contact The Capacitive Proximity Sensor LJC18A3 H Z BY is a proximity presence sensor module with digital output designed for obstacle detection, touchless triggers, object counting, and simple automation. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Detection Range: + 10 mm; Wide Range of Materials: Detects metal, plastic, glass, water,