HTML, CSS, JavaScript, jQuery, C++, C#, and very good at IoT.
the following is for char limit:
/ \ .. __ __ __ __ || __ ___ ___ ___ | ___ \ __ __ | _/__ __
/ \ / < | | / _ \ / _/ \ | |/ / | | /_ _ \ | | \ | | // \ / \ / |_ \ / / Y _ | | | / | Y Y \ / | |_ \ | | \ / __ | | / _\ \ | / | |