LittleBitsUltrasonicRangeSensor Ultrasonic range sensor module for Littlebits Components: 1 x 3K9 Resistor 1 x 180R Resistor 1 x 10uF Capacitor 1 x ATTiny85 1 x 3mm LED (5mm could work too) 1 x 10K Trimpot All parts at this point are THT (throughole)