These 85x58x33mm cases can be inexpensively sourced from many locations. However I could find no data on the hole layout so here it is! Remember that the clear plastic lid has a smaller ID than the main part of the case as it overlaps in the seal area!! something to keep in mind if you… Continue reading Plastic Case 85x58x33mm KH-F19 Dimensions
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.
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
V1 120.55 V1 avg 120.51 CT1 A 3.72 CT1 VA 448.61 CT1 W 357.18 avg 343.68 CT2 A 3.68 CT2 VA 443.41 CT2 W 354.12 avg 343.20 CT3 A 3.60 CT3 VA 434.26 CT3 W 347.32 avg 343.10 CT4 A 3.59 CT4 VA 432.64 CT4 W 345.86 avg 339.43 CT5 A 3.61 CT5 VA 434.80… Continue reading Testing Current Transformers
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