How to operate relay using NodeMCU
NodeMCU board is powered by ESP8266 WiFi unit which gives advantage of controlling circuits...
Category Archives: Tech bytes
Build own IoT enabled weather station
After performing some stand alone tests with my DHT22 weather sensor on NodeMCU board...
MQTT protocol – Telemetry for IoT
Message Queuing Telemetry Transport (MQTT) is a light weight message exchange protocol. This protocol...
Connecting 220V AC load to relay controlled by raspberry pi GPIO
Read http://www.mka.in/wp/raspberry-pi-3b-with-5v-4-channel-relay/ first. After gaining confidence in simple relay control using raspberry pi GPIO...
Raspberry pi 3B with 5V 4 channel relay
I have been using raspberry pi boards since long. So far I have used...
Secure internet using DNS based traffic filter – pi-hole
Internet has grown as rapidly in last two decades. A number of resources on...
Playing with openwrt on TP-Link Archer C20 wifi router
I have been using dlink and tp-link wifi routers since long with their default...
Start computer remotely using Wake on LAN
If you want to turn on your computer remotely on network then “Wake on...
Streaming cloud content on Kodi media center
Kodi is one of the most popular media center software. You can do a...
Using external hard drive on nextcloud
After building the cloud machine you may want to add external storage like external...