4 Bit 8 Segment parallel Red Digital Tube Module
Information
1, onboard 0.36 inch red common anode 4 bit 8 segment digital tube
2, onboard four 8550 triode parallel drive
3, onboard 4 drives curre
$2.30
KA2284 Audio Level Indicator Module
1 KA2284 Chip
2 power supply voltage: 3.5V-12V
3 level amplitude can be adjustable
4 AC/DC signal can control through the lines
5.PCB board size: 29 (mm) X21 (mm)
$1.90
4Bit Battery Indicator LED Module
1, onboard high precision voltage detecting chip and power supply chip
2, onboard 4 bit battery indicator LED lamp, composed of 3 colors, red, yellow, yellow, green, representing 20%, 50%, 8
16*16 Dot Matrix LED Module MAX7219
1, onboard four MAX7219 serial input / output common cathode display driver chip
2, working voltage: 5V
3, onboard 8 rows round holes pin base, conveniently inserted lattice tubes
4,
$7.80
24*24 Dot Matrix LED Drive Module MAX7219
1, onboard nine MAX7219 serial input / output common cathode display driver chip
2, working voltage: 5V
3, onboard 8 rows round holes pin base, conveniently inserted lattice tubes
4,
$22.00
8Bit Common Anode LED Digital Tube Module 595
Characteristics
1 Used for 2 pieces of 595 driver digital tube, it need SCM 3 road IO port, according to the principle of digital dynamic scanning display
2 Wide workin
$3.12
4Bit Common Anode LED Digital Tube Module 595
Characteristics
1 Used for 2 pieces of 595 driver digital tube, it need SCM 3 road IO port, according to the principle of digital dynamic scanning display
2 Wide workin
$1.60
Portable Power Mini USB LED White Lamp 5000mAh
1 White light: 5600K color temperature (front and back have contact piece, insert the USB in any direction will light up)
2 Super mini Nightlight, it can put into the pocket, also can be hun
$0.32
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