Raspberry Pi 4 Model B - 1G/ 2G /4G / 8G RAM Choice:2G 2V USB Recharging Current 500mA

2V USB Recharging Current 500mA Extendable Analog IO Ports 4 Extendable Digital IO Ports 10 Max Stepping Motor Driven Quantity 8 DC Motor 4 Channels Stepping Motor 2 Channels Programmable LED Beads 2 Passive Buzzer Support Photocell Sensor Support Infrared Receive Support Infrared Send Support Dimension 90mm X 74mm Net Weight 46g

3D Accelerometer

This is the master chip of sonar:bit

The Sensor for micro:bit uses a thermistor to measure temperature

Equipped with Bluetooth SMART and a strong scratch-resistant UV coating

Raspberry Pi 4 Model B - 1G/ 2G /4G / 8G RAM Choice:2G 2V USB Recharging Current 500mAYour new desktop computer available in 1G 2G 4G 8G The speed and performance of the new Raspberry Pi 4 is a step up from earlier models. For the first time, we've built a complete desktop experience. Whether you're editing documents, browsing the web with a bunch of tabs open, juggling spreadsheets or drafting a presentation, you'll find the experience smooth and very recognisable but on a smaller, more energy efficient and much more cost effective