Cart Remove item Thumbnail image Product Price Quantity Subtotal × The design and implementation of a four – way traffic light control circuit. ₦ 5,000.00 The design and implementation of a four – way traffic light control circuit. quantity ₦ 5,998.00 Update cart Cart totals Subtotal ₦ 5,998.00 Total ₦ 5,998.00 Proceed to checkout