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Category Archives: iot
Blynk-ing an ANAVI Light Controller
The ANAVI Light Controller is an open source hardware WiFi development board. As the name suggests it controls 12V RGB LED strip lights and can retrieve data from various I2C sensor modules for temperature, humidity, light and gestures. In this … Continue reading
Controlling an Itead Sonoff B1 Color LED Bulb Using Blynk
The Itead Sonoff B1 color LED bulb is a 6W (2A maximum), 600lm output, RGB full color, dimmable bulb with an integrated ESP8285 WIFI chip. As purchased it can be controlled via the proprietary EWeLink application. However, I wanted to … Continue reading
Using a Sonoff S31 with Blynk
This post will describe how the Itead Sonofff S31 can control a household AC electric device with a cellphone loaded with the Blynk application. Additionally, we can use the S31 to monitor energy usage by keeping track of real-time power, … Continue reading
Blynk & Amazon Echo (Alexa) Controlled Lights via Smart Wall Switch
Works like a charm. See this post for a discussion about reverse-engineering the wifi smart wall switch and how to program it. The Blynk application uploaded to the Lyasi smart switch is below.
Using Blynk to Control an RGB LED Strip with an ESP-8266
I am installing recessed RGB LED strip lighting under our kitchen cabinets and wanted to control them via Wifi and Amazon Alexa. I found and purchased an inexpensive ESP-8266 based Wifi controller on Amazon (see photo below). After a quick … Continue reading
Re-programming a Lyasi ESP-8285 WiFi Wall Switch
I purchased a couple of Lyasi wall switches from amazon.com for $24.99 USD. There are several versions (GresaTek, Jesiya, NewRice, etc) available through amazon, ebay and various other web outlets, however they appear to be very similar with only minor … Continue reading
Controlling an IoT Yunshan ESP8266 WIFI Network Relay via an Amazon Echo/Alexa
Easy-Peasy, if you’re standing on the shoulders of giants! Here’s the demo code: Details The following libraries are required: 1. ESPAsyncTCP library 2. FauxMoESP library (to download, select download repository) References Emulate a WeMo device with ESP8266 Easy Alexa (or … Continue reading
Blynking an IoT Yunshan ESP8266 250V 10A AC/DC WIFI Network Relay Module
I purchased a few of these Yunshan Wifi Relays through ebay for approximately $7.50US. The device should be perfect for use in simple IOT projects which require controlling household AC power. The onboard JQC-3FF relay is rated to 250VAC or … Continue reading
µC eXperiment 