Relay Module 4 Channels - 5V) tip 42 Rating AC : 15A at

Rating AC : 15A at 250ACV

74HC283 is a full adder performs the addition of two 4-bit binary numbers utilizing advanced silicon-gate CMOS technology

with maximum 4A current

however you can load different firmwares to make your own applicaiton on the modules' memory and processor

Relay Module 4 Channels - 5V) tip 42 Rating AC : 15A atIntroduction : It is a 4 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.