MiniFrogCar

thingiverse

https://youtu.be/FjvrO9ZWBQU This mini robot features two small geared motors brought to life by an ATtiny85 microcontroller and a simple yet effective sketch. int R = 0; //right motor control pin int L = 1; //left motor control pin void setup() { pinMode(R, OUTPUT); pinMode(L, OUTPUT); } void loop(){ //move forward digitalWrite(R, HIGH); digitalWrite(L, HIGH); delay(1000); //turn around left wheel digitalWrite(R, HIGH); digitalWrite(L, LOW); delay(84); //move forward again digitalWrite(R, HIGH); digitalWrite(L, HIGH); delay(1000); //turn around right wheel digitalWrite(R, LOW); digitalWrite(L, HIGH); delay(84); } A rubber O-ring placed around the two wheels provides superior traction. The third wheel is simply a M3 bolt with a rounded nut for added stability. The decorative frog figurine can be easily found on Thingiverse.