“TIP31C NPN TRANSISTOR 100V 3A TRA21, R21” has been added to your basket. View basket “4 x 3 Matrix Array 12 Keys 4*3 Switch Keypad Keyboard Module for Arduino PRO56, R23” has been added to your basket. View basket “MAX30100 Pulse Oximeter Heart Rate Sensor Development Board for Arduino SEN34 ,R25” has been added to your basket. View basket Remove item Thumbnail image Product Price Quantity Subtotal × TIP31C NPN TRANSISTOR 100V 3A TRA21, R21 Fr1,000 TIP31C NPN TRANSISTOR 100V 3A TRA21, R21 quantity Fr1,000 × 4 x 3 Matrix Array 12 Keys 4*3 Switch Keypad Keyboard Module for Arduino PRO56, R23 Fr8,500 4 x 3 Matrix Array 12 Keys 4*3 Switch Keypad Keyboard Module for Arduino PRO56, R23 quantity Fr8,500 × MAX30100 Pulse Oximeter Heart Rate Sensor Development Board for Arduino SEN34 ,R25 Fr4,000 MAX30100 Pulse Oximeter Heart Rate Sensor Development Board for Arduino SEN34 ,R25 quantity Fr4,000 Coupon: Apply coupon Update basket Basket totals Subtotal Fr13,500 Shipping Standard Shipping: Fr2,000 Local pickup (Free ) Express Shipping: Fr4,000 Shipping options will be updated during checkout. Calculate shipping Country / region Select a country / region… Congo (Kinshasa)KenyaRwanda City: Postcode / ZIP: Update Total Fr15,500 Proceed to checkout