From the BTREE blog
Straightforward guides on the problems our products and projects solve, from keeping elderly family members safe at night to watering crops only when the soil needs it.
A complete project: send temperature and humidity from a NodeMCU and DHT22 sensor to AWS IoT Core, store it in DynamoDB, show live charts on an S3 website, and switch a cooler and heater automatically.
Read the articleRun your own Blynk server on a Raspberry Pi so your home automation keeps working on your local network: server install, SSL certificates, email alerts, autostart and a static IP.
Read the articleMany falls among older adults happen when they get out of bed alone at night. Here is how a bed rise alarm alerts a caregiver in time, and how to set one up at home or in a care facility.
Read the articleA magnetic door sensor with a 230 V relay can do much more than trigger an alarm. Here are practical ways shops, homes and businesses use one, and what to know before installing it.
Read the articleLight is the engine of a planted tank. Learn what WRGB means, why colour temperature matters, how to match a light to your tank size, and how long to keep it on.
Read the articleLights that switch off while you are sitting at your desk are a sign of the wrong sensor. Here is how 24 GHz mmWave presence sensors differ from PIR motion sensors, and where each one fits.
Read the articleTimers water crops whether they need it or not. See how soil-moisture controllers, pump automation and LoRa wireless field monitoring help farmers save water, power and labour.
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