The SparkFun RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver and Ardiuno combination with various headers and connections, eliminating the need to stack multiple shields.

STM32 Nucleo-32 development board with STM32F303K8 MCU, supports Arduino nano connectivity

TTP223 Touch Button Module Capacitor Type Single Channel Self Locking Touch Switch Sensor for Arduino #Module

Template for Arduino Uno R3 Shield. Include an official pinout so you will always know Arduino names, the alternative roles of pins, which one is SDA, or SCL, etc. On PCB you can find the 3D model of the Arduino Uno R3 itself along with the board outline on the silkscreen. #Arduino #Uno #Shield #Template #project-template #project