8Dimmers
About the 8Dimmers PCB
8Dimmers is an open source ESP8266 PCB design by LudovicLemarinel, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 74 components from 19 distinct parts.
Its main chip is the ESP-12F, from the ESP8266 family. Other key parts include the LTV-814, AP1117D33, 74HC595, ULN2803A and MOC3023M. By type, the board carries 22 resistors, 21 ICs, 11 connectors, 8 fuses, 8 diodes and 2 switches.
It belongs with the iot & wireless designs in this gallery.
From the project
Home Automation based on ESP8266 and MQTT
Main components on the 8Dimmers
8Dimmers bill of materials (BOM)
74 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LTV-814 | DIP-4_W7.62mm_LongPads | U1 |
| 1 | AP1117D33 | SOT-223-3_TabPin2 | U2 |
| 1 | ESP-12F | ESP-12E | U3 |
| 1 | 74HC595 | SOIC-16W_5.3x10.2mm_P1.27mm | U4 |
| 1 | ULN2803A | SOIC-18W_7.5x11.6mm_P1.27mm | U5 |
| 8 | MOC3023M | DIP-6_W7.62mm_LongPads | U6, U7, U8, U9, U10, U11, U12, U13 |
| 8 | TRIAC_small | TO-220 | U14, U15, U16, U17, U18, U19, U20, U21 |
| 1 | ISP | PinHeader_1x04_P2.54mm_Vertical | J1 |
| 9 | CONN_01X02 | TerminalBlock_bornier-2_P5.08mm | P2, P3, P4, P5, P6, P7, P8, P9 +1 |
| 1 | 5VIN | TerminalBlock_bornier-2_P5.08mm | P11 |
| 8 | F_Small | Fuseholder5x20 | F1, F2, F3, F4, F5, F6, F7, F8 |
| 1 | RST | SW_SPST_EVPBF | SW1 |
| 1 | FLASH | SW_SPST_EVPBF | SW2 |
| 8 | Led | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2, D3, D4, D5, D6, D7, D8 |
| 2 | 100µF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2, C5 |
| 2 | 100k | RES35 | R1, R18 |
| 8 | 100 | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R3, R4, R5, R6, R7, R8, R9 |
| 8 | 4k7 | RES35 | R10, R11, R12, R13, R14, R15, R16, R17 |
| 4 | 10K | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R19, R20, R21, R22 |
8Dimmers design files
The KiCad project lives in the LudovicLemarinel/EspHomeAutomation repository on GitHub; these links point at the commit this page was built from.
8Dimmers: common questions
What microcontroller does the 8Dimmers use?
The 8Dimmers is built around the ESP-12F, from the ESP8266 family.
How big is the 8Dimmers PCB?
The 8Dimmers measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 8Dimmers?
74 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the 8Dimmers design files?
From the LudovicLemarinel/EspHomeAutomation repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 8Dimmers design in my own project?
The repository has no license, so all rights stay with LudovicLemarinel. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the 8Dimmers without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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