The Yozh robot – using an ESP32-S3 programmed in CircuitPython #Robotics #CircuitPython @IslandRobotics
The Yozh robot was created to teach robotics class at a summer camp, SigmaCamp. Alexander Kirillov wanted something small, programmable in Python, and easy to extend.
Key features
Dimensions: Length: 12.4 cm; width: 13 cm; height: 4.8 cm
Power: one or two 18650 Li-Ion batteries
Wheels and motors: uses silicone tracks and 6V, HP, 75 gear ratio micro metal gearmotors, both by Pololu.
Main controller: ESP32-S3 Feather board by Adafruit, which serves as robot brain. It is programmed by the user in CircuitPython, using a provided CircuitPython library. This library provides high-level commands such as move forward by 30cm
Electronics: a custom electronics board, containing a secondary MCU (SAMD21) preprogrammed with firmware, which takes care of all low-level operations such as counting encoder pulses, controlling the motors using closed-loop PID algorithm to maintain constant speed, and more.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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