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Description
This is a ethernet relqay board with 2 relay, 2 inputs for 240 AC detector, 2 LEDs and 2 switch you can program many options; that consist:
Atmega 328p CPU
ENC28j60 red or blue board
4n25 Optocoupler
need:
CP2102 white board to program the CPU or similar
AVR STK500 or similar to copy the reiquared firmware to bootload:
ArduinoCore-avr-master(not optiboot)
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 2200uf | C2 | CAP-D10.0XF5.0 | 1 |
| 2 | 220k | R2,R5 | RES_UPRIGHT | 2 |
| 3 | RST | S1 | TACTILE-PTH | 1 |
| 4 | SWITCH 1 | S2 | TACTILE-PTH | 1 |
| 5 | SWITCH 2 | S3 | TACTILE-PTH | 1 |
| 6 | RELAY | K1,K2 | RELAY-TH_10PIN_HFD2-012-M-L2 | 2 |
| 7 | LM1117MPX-ADJ | U3 | SOT-223 | 1 |
| 8 | ENC28J60 BLUE BOARD | U2 | ENC28J60 BLUE BOARD | 1 |
| 9 | 10K | R1 | 1/8W_RESISTOR_2 | 1 |
| 10 | 330 | R4,R3 | 1/8W_RESISTOR_2 | 2 |
| 11 | . | LED1,LED2 | LED-3MM/2.54 | 2 |
| 12 | 0.1u | C1 | RAD-0.1 | 1 |
| 13 | 0.1uf | C5 | RAD-0.1 | 1 |
| 14 | 1N4007 | D7,D8 | DO-41 | 2 |
| 15 | 2N3904 | Q1,Q2 | TO-92(TO-92-3) | 2 |
| 16 | ATMEGA328P-PU | U1 | DIP-28_L34.6-W7.3-P2.54-LS10.2-BL | 1 |
| 17 | 4n4007 | D4,D3,D5,D6,D1,D2 | GENERIC_DIODE_UPRIGHT | 6 |
| 18 | 7.5k | R10,R11 | AXIAL-0.3 | 2 |
| 19 | 4N25 | U4,U5 | DIP-6(7.12X6.4) | 2 |
| 20 | AC | CN4,CN5 | CONN-TH_2P-P5.08_DB128L-5.08-2P-GN-P | 2 |
| 21 | 12v | CN3 | CONN-TH_2P-P5.08_DB128L-5.08-2P-GN-P | 1 |
| 22 | 1uF400V | C3,C12 | CAP 1UF400V | 2 |
| 23 | CN K1 | CN1 | CONN-TH_DB128L-5.08-3P | 1 |
| 24 | CN K2 | CN2 | CONN-TH_DB128L-5.08-3P | 1 |
| 25 | USB-TTL | P1 | HDR-6X1/2.54 | 1 |
| 26 | ISP | P2 | HDR-6X1/2.54 | 1 |
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