For a long time now I’ve wanted wireless temperature sensors scattered around the house and garden reporting their temperatures regularly to a central server. It’s not something I really need, but something nice to have. I’d originally planned to do it with a RasPiO Duino or Arduino nano and inexpensive NRF24L01 radio boards. Albert @winkleink Hickey, a friend of mine, who also runs the Egham Jam put me onto these when he did his buttonflash game. Albert has a useful hobby of trawling ebay for bargain-basement electronics. A few weeks ago he showed me the Wemos D1 mini.
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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.
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