Prototype breadboard 400 tie points Arduino OZY-60 white solderless for 2.54 mm modules
€1.02
LM2596S DC-DC Step-Down 3-40V 3A Buck Converter - Step-Down Voltage
€0.98
Raspberry Pi 3 model A+ WiFi 2.4/5 Ghz Bluetooth 512MB RAM 1.4GHz
€26.82
BME280 5V Pressure Temperature Humidity Sensor I2C SPI Module Arduino
€4.16
Seeed Xiao BLE nRF52840 Sense - TensorFlow Lite, IMU, Microphone and Bluetooth 5 - Seeedstudio 102010469
€20.52