Bi-Color (Red/Green) 24-Bar Bargraph w/I2C Backpack Kit
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- 10 X resistors 0.25W 1kohms
What's better than a simple LED? Many LED! Fun a way to achieve a linear display is to use 2 bargraph to 12 LEDS. The bar graphs being multiplexes, it will take a lot of pine trees to fly 48 LED it ets so for this that a LED MAX7219 controller has been integrated also on the circuit, allowing an I2C cockpit with only two wires of sigaux.
Each module has an address selectinnable for den mount 8 on the same I2C bus.
All is sold in kit form and will require a little welding to implement.
- Bar graph dimensions: 10mm x 30mm (0.4 "x 1.2")
- Thickness: 7mm (0.3 ")
- Size: 13mm x 101mm (. 5 "x 4")