Electricui arena
electricui·electricui-arena·hardware/hardware.kicad_pcb
About the Electricui arena PCB
Electricui arena is an open source PCB design by electricui, published on GitHub under the MIT license. It is a 4-layer board measuring 220 × 120 mm, with 253 components from 29 distinct parts.
Other key parts include the AP2112K-3.3, MCP23008-E_SS, MAX4999ETJ, SN74LV4051APW and AP2553A. By type, the board carries 85 capacitors, 73 resistors, 39 ICs, 20 diodes, 18 connectors and 16 inductors.
It belongs with the iot & wireless and usb & debug tools designs in this gallery.
From the project
Hardware for continuous integration testing of serial interfaces and microcontrollers
The board (KiCAD files in /hardware) exposes control to a CI build worker to power up any of the USB-UART adaptors in either loopback mode, or connected to any one of the hardware targets for a total test matrix of 72 combinations.
Intended to run tests for hot-plug detection (by controlling the mux or USB power control), disconnection handling (by re-routing serial to the void) and to validate a wide range of microcontroller architectures and their corresponding toolchains.

Main components on the Electricui arena
Electricui arena bill of materials (BOM)
253 components, 29 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP2112K-3.3 | SOT95P280X145-5L30N | U1 |
| 6 | MCP23008-E_SS | SOP20P65_720X780X200L75X30N | U2, U3, U5, U6, U7, U8 |
| 1 | MAX4999ETJ | QFN33P50_500X500X100L40X24T345N | U4 |
| 4 | SN74LV4051APW | SOP16P65_500X640X120L62X24N | U9, U10, U11, U12 |
| 16 | AP2553A | SOT95P280X145-6L50N | U13, U15, U17, U19, U21, U23, U25, U27 +8 |
| 9 | ADAFRUIT_FEATHER_BREAKOUT | ADAFRUIT_FEATHER | U14, U16, U18, U20, U22, U24, U26, U28 +1 |
| 1 | USBLC6 | SOT95P280X145-6L50N | U38 |
| 1 | SN74LVC1G66 | SOT95P240X110-5L16N | U39 |
| 8 | USB_A_FEMALE_VERTICAL | TE_1734366-1 | J1, J2, J3, J4, J5, J6, J7, J8 |
| 1 | USB_C_SOCKET_RA_PTH_SIMPLE | USB_C_PTH_GCT_USB4085 | J9 |
| 8 | CONN_01X06 | 61300611121 | P1, P2, P3, P4, P5, P6, P7, P8 |
| 1 | CONN_01X03 | 61300311121 | P9 |
| 2 | B3U-1000P_SPST-NO_SMD | B3U-1000P | SW1, SW2 |
| 18 | LED_YELLOW_1608M | LEDC1608X80L40N | D1, D2, D3, D4, D5, D6, D7, D8 +10 |
| 1 | LED_RED_1608M | LEDC1608X80L40N | D9 |
| 1 | LED_GREEN_1608M | LEDC1608X80L40N | D11 |
| 16 | 220R_2012M | INDC2012X145N | FB1, FB2, FB3, FB4, FB5, FB6, FB7, FB8 +8 |
| 31 | 100n_X7R_1608M | CAPC1608X90N | C1, C3, C4, C5, C6, C7, C8, C9 +23 |
| 20 | 4u7_X7R_2012M | CAPC2012X110N | C2, C16, C18, C20, C22, C24, C26, C28 +12 |
| 2 | 100u_ELEC_35V_660X580M | CAPAE660X580DD180L260N | C62, C63 |
Show 9 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 16 | 470n_X7R_1608M | CAPC1608X90N | C64, C66, C68, C70, C72, C74, C76, C78 +8 |
| 16 | 4n7_X7R_1608M | CAPC1608X90N | C65, C67, C69, C71, C73, C75, C77, C79 +8 |
| 20 | 1K00_1608M | RESC1608X50N | R1, R2, R3, R4, R6, R8, R10, R12 +12 |
| 8 | 43K_1608M | RESC1608X50N | R5, R7, R9, R11, R13, R15, R17, R19 |
| 2 | 4K7_1608M | RESC1608X50N | R21, R22 |
| 17 | 10K0_1608M | RESC1608X50N | R23, R57, R61, R63, R65, R67, R69, R71 +9 |
| 8 | 100K_1608M | RESC1608X50N | R27, R29, R31, R33, R35, R37, R39, R41 |
| 2 | 5K76_1608M | RESC1608X50N | R43, R44 |
| 16 | 10R_1608M | RESC1608X50N | R60, R62, R64, R66, R68, R70, R72, R74 +8 |
Electricui arena design files
The KiCad project lives in the electricui/electricui-arena repository on GitHub; these links point at the commit this page was built from.
Electricui arena: common questions
How big is the Electricui arena PCB?
The Electricui arena measures 220 × 120 mm, has 4 copper layers and is 2 mm thick.
How many components are on the Electricui arena?
253 components, from 29 distinct parts. The full bill of materials is listed on this page.
Where can I download the Electricui arena design files?
From the electricui/electricui-arena repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Electricui arena design in my own project?
Yes, under the terms of its MIT license, which electricui chose for the repository.
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