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Small monochrome OLED display modules have become widely available at a low cost in the last few years. Their I2C serial interface means that popular microcontrollers can easily drive them. by Jim Rowe
This module is designed to form the basis of a liquid pH meter, for testing the acidity or alkalinity of things like the water in fish tanks or swimming pools, or the liquid in a vat when you’re making beer or wine. It comes complete with two pH sensor probes, and can be easily hooked up to an Arduino or other microcontroller to form a pH meter. by Jim Rowe
This module should be of particular interest if you want to build robotic devices. It uses infrared (IR) light to accurately sense the proximity of objects from 0mm to well over 100mm. It’s based on a technology known as FlightSense, patented by ST Microelectronics. by Jim Rowe
Our upgraded Pico W BackPack now features WiFi functionality along with its 3.5-inch touchscreen. We’ve also included sample code to show how you can use HTTP, UDP and NTP with the BackPack. by Tim Blythman
Secondary students will learn in ‘smart city sandbox’.