Electro Systems Associates Pvt. Ltd. Offers Evaluation Board. Electro Systems Associates Pvt. Ltd. Is the manufacturer of microprocessor and microcontroller based systems. Evaluation Board is used for flash download using flash magic or the JTAG interface by connecting to computer. Evaluation Board is available with an on-chip USB interface, two serial interfaces, a speaker, analog input [via potentiometer], and eight LEDs etc.