EC1834-LAN
About the EC1834-LAN PCB
EC1834-LAN is an open source PCB design by mgoegel, published on GitHub. It is a board measuring 114.4 × 74.9 mm, with 30 components from 20 distinct parts.
Other key parts include the RTL8019AS, SST39SF040 and 93LC46C. By type, the board carries 10 capacitors, 9 resistors, 4 switches, 3 ICs, 2 connectors and 1 crystal.
It belongs with the robotics & motion designs in this gallery, and the repository also holds 1 earlier revision of it.
From the project
robotron EC1834 8 bit Ethernet Adapter, based on ISA8_LAN by Sergey Kiselev
Clean the PCB with alcohol Apply fluid flux to SMD components pads Solder U1 RTL8019 IC Solder R1 - R7 resistors and RN1 - RN4 resistor arrays Note that RN1 - RN3 are only required if using DIP switches for configuration. They are not required for jumperless configuration Solder C1 - C8 ceramic capacitors Solder C9 and C10 tantalum capacitors Solder Y1 crystal Optional: Program U3 EEPROM. Make sure to use unique MAC address Note: EEPROM can be programmed later using PG8019 utility Solder U3 EEPROM Optional: Solder SW1 - SW4 DIP switches and U2 IC socket Solder J1 Ethernet jack with integrated…
Main components on the EC1834-LAN
EC1834-LAN bill of materials (BOM)
30 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | RTL8019AS | IC_PQFP-100_14x20mm_P0.65mm_Hand_Soldering | U1 |
| 1 | SST39SF040 | Socket_DIP32_600 | U2 |
| 1 | 93LC46C | SO-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | 20MHz | Crystal_HC-49U_Vert | Y1 |
| 1 | RJMG1BD3B8K1ANR | RJ45_Amphenol_RJMG1BD3B8K1ANR | J1 |
| 1 | MEM_EXT | Conn_Pin_Header_20x2_2.54mm | J2 |
| 1 | BUS_EC1834_8Bit | DIN41612_C_3x32_Male_Horizontal_THT | BUS2 |
| 1 | CONFIG | Switch_DIP_2_Positions | SW1 |
| 1 | IRQ | Switch_DIP_2_Positions | SW2 |
| 1 | IO_ADDR | Switch_DIP_4_Positions | SW3 |
| 1 | ROM_ADDR | Switch_DIP_5_Positions | SW4 |
| 2 | 10pF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2 |
| 2 | 0.01uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4 |
| 4 | 0.1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5, C6, C7, C8 |
| 2 | 22uF | CP_EIA-3528-15_AVX-H_Pad1.50x2.35mm_HandSolder | C9, C10 |
| 1 | 200 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 2 | 470 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3 |
| 1 | 27k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | 1M | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7 |
| 4 | 10k | R_Array_Convex_4x0603 | RN1, RN2, RN3, RN4 |
EC1834-LAN design files
The KiCad project lives in the mgoegel/EC1834-LAN repository on GitHub; these links point at the commit this page was built from.
EC1834-LAN: common questions
How big is the EC1834-LAN PCB?
The EC1834-LAN measures 114.4 × 74.9 mm and is 1.6002 mm thick.
How many components are on the EC1834-LAN?
30 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the EC1834-LAN design files?
From the mgoegel/EC1834-LAN repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the EC1834-LAN design in my own project?
The repository has no license, so all rights stay with mgoegel. Use it as a reference, and ask the author before reusing the design.
Earlier revisions in the repo: 1834_Ethernet_rev2
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