Tag
modules
AltSql Core keeps a device’s readings and settings in its own flash and copies the same records to its gateway, byte for byte. A gateway that serves a whole fleet …
modules
AltSql Core is the base module, the one the project started with. It keeps key-value data and time-series readings on a device, answers SQL on a gateway, and copies the …
modules
An engineer wants to know which machines ran hot last night. The usual way is to pull every machine’s readings to a server first and ask there. That moves every raw …
modules
A vibration sensor on a motor hears a lot. Most of it is the motor doing its job. The useful part is the moment the sound changes into something new, like a bearing …
modules
When a pump’s bearing starts to fail, an analyst wants two things. A quick figure to spot it, and the raw signal to understand it. Devices usually keep one or the …
modules
Some places have no mobile coverage and nowhere to put a gateway. A big sheep farm is one. The people working it still need the same picture: which troughs are low, which …
modules
A controller runs its loop 100 times a second. Every cycle it saves a value and logs a row, and those writes have to finish within 10 ms. The trouble is the flash chip. …
modules
Some sensors have no battery. A small solar cell charges a capacitor, and when it is full the sensor wakes and works until the charge runs out. Then the power goes, …