Part 1 As I await my replacements parts I figured I’d try a few ideas to attempt a recovery of the defective DHT22. The first thing I decided to do was to remove the DHT22 from its partial enclosure. (Sensor part was exposed) Reconnected the sensor node and …. it’s still stuck at 99% humidity. I blew on it and the temperature changed but not … Continue reading DHT22 tinkering.
For over a year I would replace the DHT22 (or its small brother the DHT11) outdoors after a few months if I cared to do so. It’s located in a cutout of a small Tupperware container strapped under my deck roof. No rain can get to it but the roof is no completely opaque and lets a fair amount of sun through. Although the temperature … Continue reading DHT22 is useless outdoors: replacement.
New NodeMCU… Flashed Tasmota with the ARDUINO IDE software (to customize the firmware) The NodeMCU would constantly do the following… I tried re-flashing Using another NODEMCU after discovering a dead one Restoring from another Tasmota NodeMCU Etc Nothing worked. Only until I stumbled on this page did I see the solution 13:28:06 MQT: tele/sonoff/LWT = Online (retained) 13:28:06 MQT: cmnd/sonoff/POWER = 13:29:00 DNS: Initialized 13:29:00 MQT: Attempting … Continue reading Always connecting never doing – ESP 2.4.0
The physical setup. Once again this is working in proximity to MAINS power. If you’re not comfortable STOP NOW and get professional help. As much as I didn’t want to split this into two pieces it’s becoming far too big for one post. See part 1 The physical setup that I did is as follows SETUP: SHUT OFF THE MAIN BREAKER to the house. Attach … Continue reading Home power monitoring with PZEM-004 & home assistant for under 30$! Part 2
Originally I automated the rental house by attaching the sonoff to the device they would control as opposed to the switch as the wiring was a single switch wire and it’s a rental. That also meant that I covered the switch plates with an extended and a blank faceplate. The switches permanently in the on position underneath. The sonoff needs a ground connection? it’s also … Continue reading Redo with wemos D1 mini?
Inexpensive alternative way to monitor your home power consumption using a nodemcu with tasmota and home assistant (hassio). It’s been stable for months on end. A cheap and recommended option to other expensive products. Continue reading Home power monitoring with PZEM-004 & home assistant for under 30$! Part 1