diff --git a/README.md b/README.md index 0cd3596..9154c11 100644 --- a/README.md +++ b/README.md @@ -1,9 +1,11 @@ # ESP8266 based AC 220V 50Hz Water Pump Controller +## ALERT: This is a high-voltage high-ampere operation based project which deals with AC 220V and Amperes upto 5A-20A. + ## Hardware 1. D1 Mini V2 NodeMcu 4M Bytes -2. SSR-40DA Solid State Relay Module 3-32VDC/24-380VAC 40A +2. SSR-40DA Solid State Relay Module 3-32VDC/24-380VAC 40A (Choose a relay with 10 times more current rating than your pumps nomral current rating) 3. Piezo Electronic Buzzer Beep Alarm Bell Continuous Sound 3v-24v Buzzer Electromagnetic 4. 2 Colour LED 5. One Push Button