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STD Board with 3 relays based on ESP8266-12 (ESP12)

License: GPL 3.0

Mode: Editors' pick

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Update time: 2021-11-21 14:06:21
Creation time: 2019-11-23 14:07:12
Description
A simple board to automate your home and other things. Based on simple components (not extended) and you can bought on JLCPCB with SMT Assembly services (super easy). Opensource Firmware: https://github.com/nsfilho/E12AIO3 Features: - I2C Connection PINs (SDA/SCL); - Option for Deep Sleep (AWAKE); - Analog Port available; - Some GPIOs; - On-board programing (with auto-reset); The relay traces are bigger to support higher currents.
Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity BOM_Supplier BOM_Manufacturer BOM_Manufacturer Part BOM_Supplier Part
1 MMBT5551_C2145 Q1,Q2,Q3,Q4,Q5 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 5 LCSC CJ MMBT5551 C2145
2 SRD-05VDC-SL-C RELAY1,RELAY2,RELAY3 RELAY-SL-SRD 3 LCSC SONGLE SRD-05VDC-SL-C C35449
3 DB301V-5.0-3P-BU-P U4,U5,U6 CONN-TH_3P-P5.00_DB301V-5.0-3P-BU-P 3 LCSC DIBO DB301V-5.0-3P-BU-P C430620
4 Header-Female-2.54_1x5 H2 HDR-5X1/2.54 1 LCSC BOOMELE 2.54mm 1*5p Female header C50950
5 TS-1187A-B-A-B SW1,SW2 SW-SMD_4P-L5.1-W5.1-P3.70-LS6.4 2 LCSC XKB Enterprise TS-1187A-B-A-B C318887
6 AMS1117-3.3 U8 SOT-223_L6.5-W3.5-P2.30-LS7.0-BR 1 LCSC AMS AMS1117-3.3 C6186
7 10K R1,R2,R3,R4,R5,R6,R7,R8,R12 1206 9 LCSC UniOhm 1206W4F1002T5E C17902
8 ESP-12F(ESP8266MOD) ESP12F WIFIM-SMD_ESP-12F-ESP8266MOD 1 LCSC Ai-Thinker ESP-12F(ESP8266MOD) C82891
9 100uF C1 CAP-SMD_L3.5-W2.8 1 LCSC AVX TAJB107K006RNJ C16133
10 Header-Female-2.54_1x8 H3 HDR-8X1/2.54 1 LCSC BOOMELE Female headerHDR1X8-2.54 C27438
11 DB301V-5.0-2P-BU-P VIN CONN-TH_2P-P5.00_DB301V-5.0-2P-BU-P 1 LCSC DIBO DB301V-5.0-2P-BU-P C430621
12 1K R9,R10,R11 1206 3 LCSC UniOhm 1206W4F1001T5E C4410
13 M7_C95872 D1,D2,D3 DO-214AC_L4.3-W2.7-LS5.3-RD 3 LCSC MDD M7 C95872
14 Header-Female-2.54_1x6 H1 HDR-6X1/2.54 1 LCSC BOOMELE Female header 1*6p C40877

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