The Button Size Node2 is 2 coin-cell batteries powered Arduino IDE compatible (ATMega328P 8MHz) micro controller with RFM 69 HCW(CW) radioDesigned by easySensors in Belarus
The ButtonSize Node is a low cost wireless Arduino IDE compatible (the Atmel ATMega328P) microcontroller with RFM 69 CW or HCW 915, 868 or 433 MHz radio on board and built in Temperature, Humidity ...Read More…
The ButtonSize Node is a low cost wireless Arduino IDE compatible (the Atmel ATMega328P) microcontroller with RFM 69 CW or HCW 915, 868 or 433 MHz radio on board and built in Temperature, Humidity and Light sensors. Best suitable for Home Automation, IOT. The board can be used as universal sensor board for radio controlling any DIY project.
Comes with Arduino example sketch and guide to IOT, Smart home ideas.
You'll need CW version radio on board. HW version is longer range but will eat your battery pretty fast.
If you are familiar with Arduino boards, the ButtonSize Node is Arduino pro Mini with onboard HopeRF RFM69-CW or HW 915, 868 or 433 MHz MHz radio, external EPROM flash and crypto authentication chip. To save some board dimensions the ButtonSize Node does not have onboard USB-Serial converter. You need to buy FTDI Adapter for programming. HopeRF RFM69-HW provide extremely good range. HopeRF RFM69-CW version will have half of that range but still many hundred meters in open area. External Flash chip allows burning Arduino sketch wirelessly. Onboard Atmel ATSHA204A CryptoAuthentication chip secures communication with other controllers. Some IOT ideas based on the ButtonSize node and similar controllers plus complete specs you may find here my GitHub page
Enclosure sold separately here: buttonsizenode and buttonsizenode2 enclosure
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