Category: Power Monitoring

Testing ST7735 128*160 SPI TFT Display

I’d say it works well 🙂 very happy, using the ucglib graphics library. It has advantages compared to the adafruit library in rewriting data to the screen in such a way that avoids the entire line flashing on rewrite.

Lightning Arresters, MOVs, Surge Suppression

Varistor TMOV25S Image

The following are large 3 lead MOV’s that include a thermal fuse – this fuse will prevent thermal runaway on short circuit failure mode. The 3 lead arrangement also allows an LED indicator light to notify when failure of the thermal fuse has occurred. $4 TMOV25SP115M – 28MM 20KA 170J 115VAC 150VDC – good for 150V… Continue reading Lightning Arresters, MOVs, Surge Suppression

Remote Power Monitoring system AC or DC current measurements

Cloud IOT Hosting / Storage Options Looked at in initial exploration of subject: Example: http://www.openhomeautomation.net/cloud-temperature-logger-esp8266/ Github for above project: http://github.com/openhomeautomation/esp8266-cloud http://dweet.io/ http://www.freeboard.io/ http://bsautner.github.io/com.nimbits/ – Desinged to be installed on local hardware like raspberry pi – is being maintained but does not seem to be highly used http://platformio.org/ https://temboo.com   ESP EASY Firmware – The firmware option I am using… Continue reading Remote Power Monitoring system AC or DC current measurements