It is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Standard interface can be directly connected with microcontrollers. Red working status indicator lights are conducive to the safe use. Widely used for all MCU control, industrial sector, PLC control, smart home control.
The crimper has been received on the 2nd day after placing the order. I was initially sceptical to make payment in advance but proceeded anyway. Unfortunately the dies of SN-28B were deformed. I contacted the team through WhatsApp and they replaced the dies within two days with no extra charge for shipping. The shipping speed is really great. I put the crimper to test, they really made great crimps for my automobile harness. I am great satisfied with the purchase.
Worked beautifully.
The product photos show a group of three pens. One is likely to be misled that one gets three pens for Rs.40/- but one gets only one pen for Rs.40/-. The thing that sucks is that the pen costs Rs. 40/- but shipping costs Rs 90/-. So while ordering this pen, order as many other parts/components you will need to spread out the shipping on a large number of components.