Unfortunately, the RS-232 standard on the signboard wants both positive and negative voltages with respect to ground to represent the 1s and 0s, and that wouldn’t work with the ESP8266 [kripthor ...

Welspun Specialty Solutions gained 4.57% to Rs 31.36 after the company was selected as the L1 bidder (lowest bidder) by Bharat Heavy Electricals (BHEL, Trichy) for a major supply contract of stainless ...