I2C dimmer on ATTINY85

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STD I2C dimmer on ATTINY85

License: Public Domain

Mode:

Editors' pick

Update time： 2021-02-02 14:51:14

Creation time： 2018-05-22 08:40:48

Description

Управлнение диммером или ШИМ на базе внешнего микроконтроллера, подключаемого по I2C шине.

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	ATTINY85-20SU	U1	SOIC-8_208MIL	1
2	Headers Pins 1*4P	P1	HDR-4X1/2.54	1
3	PC814	U2	PC814 DIP	1
4	MOC3021M	U3	DIP-6_300MIL	1
5	330	R1	1206	1
6	6,8k	R2	1206	1
7	3,3k	R6,R7	1206	2
8	50k	R3,R4	AXIAL-0.6	2
9	510	R5	AXIAL-0.6	1
10	BT138-600E,127	U4	TO-220(TO-220-3)	1
11	POWER 220V	P2	WJ2EDGVC-5.08-2P	1
12	LOAD 220V	P3	WJ2EDGVC-5.08-2P	1
13	BTA140-800.127	Q1	TO-220AB (TRIAC)	1
14	MOC3023M	U1	DIP6	1
15	PC814	U2	DIP4	1
16	10k 0.25W	R1	AXIAL-0.4	1
17	43k 2W	R4,R3	AXIAL-0.8	2
18	330k 0.25W	R2	AXIAL-0.4	1
19	360Ω 2W	R5	AXIAL-0.8	1
20	100nF 630V	C1	10NF 630V	1
21	AC 230V	P1	2 PIN_POWER CONNECTOR	1
22	LOAD	P2	2 PIN_POWER CONNECTOR	1
23	+5V	P3	SIP-1X1-100-80-40	1
24	ZERO	P4	SIP-1X1-100-80-40	1
25	GND	P5	SIP-1X1-100-80-40	1
26	DATA	P6	SIP-1X1-100-80-40	1
27	39Ω 2W	R6	AXIAL-0.8	1
28	470Ω 2W	R7	AXIAL-0.8	1
29	500nF 630V	C2	10NF 630V	1