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1.Easy to use and quick to get started

2.The process supports design scales of 300 devices or 1000 pads

3.Supports simple circuit simulation

4.For students, teachers, creators

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2.Smooth support for design sizes of over 30,000 devices or 100,000 pads

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STD attiny-led-switch

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License: BSD

Creation time: 2019-01-24 13:39:54
Update time: 2020-05-07 08:34:22
Description
Yet another led strip switch with optical proximity sensor TCRT5000. Very small foot print, low cost and rich capability. Based on attiny85, source code in C. Features: - 9.6 x 29 mm, can be placed beside led strip; - proximity sensor max work distance about 50mm; - source voltage 12V; - mosfet switch can control led strip with in series resistor up to 2A; - switch on|off by short "press"; - on|off with fade effect; - adjust bright level by long "press"; - bright controlled by PWM at 490Hz with 16 prefixed levels; - standby led, can be disabled via setup procedure; - auto power off timer, can be adjusted via setup to 0.5h, 1h, 2h, 4h. You can use attached HEX, or self compile from source (checked with WINAVR). Schema and source code are provided "AS IS", without warranty of any kind.
Design Drawing
schematic diagram
1 /
PCB
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Empty
ID Name Designator Footprint Quantity
1 78L05G-AB3-R U3 SOT-89 1
2 IRLML2502TRPBF Q1 SOT-23(SOT-23-3) 1
3 4,7u C1 0805 1
4 ATTINY85-20SU U1 SOIC-8_208MIL 1
5 330 R1,R2 0805 2
6 20k R3 0805 1
7 2k R4 0805 1
8 10u C2 1206 1
9 LTST-C170GKT LED1 LED_0805 1
10 TCRT5000 . 5000 1

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Project Attachments
Order File name Download times
1

main.c

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2

main.hex

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