Witryna16 lis 2024 · ThingsBoard allows you to pull the latest telemetry from a single device via the API, however if you want to pull that data into another system (e.g. a small display screen or to analyse results from multiple sensors), you have to make a different API call for each device, and also store the device ID for each in the place you are pulling the … WitrynaRule Engine Message contains the following information: Message ID: time based, universally unique identifier; Originator of the message: Device, Asset or other Entity identifier; Message Type: “Post telemetry” or “Inactivity Event”, etc; Payload of the message: JSON body with actual message payload;
ThingsBoard使用笔记(5)使用规则链将设备信息转发至外部mqtt_thingsboard …
http://www.ithingsboard.com/docs/iot-gateway/integration-with-telegram-bot/ Witryna5 maj 2024 · While this is not your use case, it shows you how to handle incoming telemetry before it is saved to the database. You could do a mapping of value-keys like this: var theCustomizedMessage = {}; theCustomizedMessage ['customizedKey'] = msg ['originalIncomingKey']; return {msg: theCustomizedMessage, metadata: metadata, … cranbarry main street consinment shop
thingsboard 实体及数据存储研究 - CSDN博客
Witryna3 cze 2024 · 1 The idea is basically to create a memory attribute containing a JSON of the data you want to save. It's not straight forward but i found a way that works to do … http://www.ithingsboard.com/docs/user-guide/rule-engine-2-0/tutorials/function-based-on-telemetry-from-two-devices/ http://www.ithingsboard.com/docs/user-guide/rule-engine-2-0/tutorials/get-weather-using-rest-api-call/ cranbarry phoenix field hockey stick