Portable Raspberry Pi Pico LAN tester with W5500 Ethernet, OLED display and battery charging.
LAN Tester is an open-source printed circuit board by Markuselectronics, from the Markuselectronics/Raspberry-Pi-Pico-LAN-Tester repository on GitHub. It is a 4-layer board of 34 × 80 mm with 51 parts on 86 nets, routed with 473 tracks and 158 vias.
It is built around the BQ24074RGTR, W5500 and MSK12C02, with the SS14 among its other parts. Its parts include 21 capacitors, 15 resistors, 4 connectors, 2 ICs and 2 switches. It belongs with the lEDs and displays and power boards and the RP2040 boards of this library.
W5500, OLED, battery charging and a custom PCB
This is a compact handheld LAN tester based on a Raspberry Pi Pico, a W5500 Ethernet controller, an SSD1306 OLED display and LiPo battery charging.
It quickly checks whether an Ethernet port is actually working. The tester checks the physical link, requests an IP address with DHCP, shows IP / gateway / DNS information and performs a simple internet connectivity test.
W5500 Ethernet controller over SPISSD1306 128x64 OLED displayThe repository contains the firmware and KiCad hardware files:
LANTester/
├── Code/
└── KiCad/Code contains the Raspberry Pi Pico firmware.
KiCad contains the schematic, PCB and manufacturing files.
If the ready-built LANTester.uf2 file is included, flashing is simple:
LANTester.uf2 to the Pico drive.No special programmer is needed.
Instructables:
https://www.instructables.com/Portable-Raspberry-Pi-Pico-LAN-Tester/
Printables:
https://www.printables.com/model/1705220-raspberry-pi-pico-lan-tester
This repository contains the firmware and hardware files for the project.
Photos, build steps and assembly instructions are documented in the Instructables guide.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100nF | Capacitor_SMD:C_0402_1005Metric | C5, C6, C7, C8, C9, C10, C11, C13 |
| 6 | 4u7F | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C12, C14 |
| 4 | 49R9 | Capacitor_SMD:C_0603_1608Metric | R10, R11, R12, R13 |
| 4 | MountingHole | MountingHole:MountingHole_3.5mm | H1, H2, H3, H4 |
| 3 | 10k | Capacitor_SMD:C_0603_1608Metric | R3, R15, R16 |
| 2 | 15pF | Capacitor_SMD:C_0603_1608Metric | C15, C16 |
| 2 | 1k5 | Capacitor_SMD:C_0603_1608Metric | R4, R5 |
| 2 | 330R | Capacitor_SMD:C_0603_1608Metric | R7, R8 |
| 2 | 5k1 | Capacitor_SMD:C_0603_1608Metric | R1, R2 |
| 2 | 6n8F | Capacitor_SMD:C_0603_1608Metric | C17, C18 |
| 1 | 10R | Capacitor_SMD:C_0603_1608Metric | R14 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C19 |
| 1 | 12k4 | Capacitor_SMD:C_0603_1608Metric | R6 |
| 1 | 1nF/2kV | Capacitor_SMD:C_1206_3216Metric | C21 |
| 1 | 22nF | Capacitor_SMD:C_0603_1608Metric | C20 |
| 1 | 25MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | BQ24074RGT | Package_DFN_QFN:VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U1 |
| 1 | Battery_Connector | MyFootprints:JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J2 |
| 1 | MSK12C02 | MyFootprints:SW_MSK12C02 | S1 |
| 1 | RJ45_Hanrun_HR911105A_Horizontal | Connector_RJ:RJ45_Hanrun_HR911105A_Horizontal | J3 |
| 1 | RaspberryPi_Pico | Module:RaspberryPi_Pico_SMD | A1 |
| 1 | SS14 | Diode_SMD:D_SMA | D1 |
| 1 | SSD1306_Connector | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H4.3mm | SW1 |
| 1 | USB-C | MyFootprints:SHOU HAN TYPE-C 16PIN 2MD(073) | J1 |
| 1 | W5500 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U2 |
It measures 34 × 80 mm and has 4 copper layers, 1.6 mm thick.
51 parts, built around the BQ24074RGTR, W5500, MSK12C02 and SS14. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the Markuselectronics/Raspberry-Pi-Pico-LAN-Tester repository on GitHub, at the commit this page was made from: the board is KiCad/LAN_Tester.kicad_pcb and its schematic KiCad/LAN_Tester.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Markuselectronics before reusing the design.
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