840pcs Solderless Solid Wire Kit 4x4 Keypad 16 contact with the teeth

16 contact with the teeth side which minimizes the risk of the belt slipping

Main chip: LM393

for example:

lithium battery 3

+20dBm power output

840pcs Solderless Solid Wire Kit 4x4 Keypad 16 contact with the teethThis kit is the most complete Breadboard Jumper Wires set, which contains high quality assorted U Shape Jumper Wires, assorted solderless flexible jumper cables, tweezer, with which you can do all kinds of circuit experiments. Specifications: Wire Length: 2 mm, 5 mm, 7 mm, 10 mm, 12 mm, 15 mm, 17 mm, 20 mm, 22 mm, 25 mm, 50 mm, 75 mm, 100 mm, 125 mm Quantity: 840 pieces jumper wire in total, 14 lengths, 60 pieces per size Related parameters: U shape,