PART FINDER FRIDAY – Digital temperature sensors. Other than thermistors, you can also use digital temperature sensors. These calculate temperature based on the temperature changes of a transistor’s Beta. We have two favorites, the TMP36 – from Analog – which has an analog output of 50 mV per degree C, and the DS18B20 which is a snazzy 1-wire chip that uses a somewhat complex but powerful digital bus system that is noise-proof and can have multiple sensors connected together.
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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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.