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2 layers304.8 × 95.3 mmSM65, the printed circuit board in 3D

SM65

Size
304.8 × 95.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
290
Nets
223
Pads
1,269
Tracks, vias
2,494, 537
Pours
3
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
20 Oct 2025
Updated
28 Nov 2025

Overview

SM65 is an open-source printed circuit board by Charading, from the Charading/SM65 repository on GitHub. It is a 2-layer board of 304.8 × 95.3 mm with 290 parts on 223 nets, routed with 2,494 tracks and 537 vias.

It is built around the RP2040, SN74LV1T125DBV and NRF24L01P-R, with the MCP3208-BI/P, W25Q128JVSIQ and CD74HC4067SM96 among its other parts. Its parts include 90 capacitors, 71 diodes, 15 resistors, 12 ICs and 3 transistors. It belongs with the RP2040 boards of this library.

Main components

12

README

README.md

SM65

SM65

Parts

290
QtyValueFootprintReferences
730.1uFMars_Library:C_0402C4, C5, C6, C7, C8, LC1, LC10, LC11, LC12, LC13, LC14, LC15, LC16, LC17, LC18, LC19 +57
68SK6812MINI-EPCM_marbastlib-various:LED_6028RLED1, LED2, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED23 +52
5449EPCM_marbastlib-xp-he:SW_MX_HE_90deg_1u_RulesHE1, HE2, HE10, HE11, HE12, HE13, HE16, HE17, HE18, HE19, HE20, HE21, HE22, HE23, HE24, HE25 +38
6100KMars_Library:R_0603R5, R6, R9, R10, R14, R15
649EPCM_marbastlib-xp-he:SW_MX_HE_90deg_1.25u_RulesHE58, HE59, HE60, HE62, HE64, HE65
5CMars_Library:C_0402C18, C19, C20, C21, C22
5CD74HC4067SMPackage_SO:SSOP-24_5.3x8.2mm_P0.65mmU6, U7, U8, U9, U10
349EPCM_marbastlib-xp-he:SW_MX_HE_90deg_2.25u_RulesHE42, HE44, HE61
20.1uMars_Library:C_0402C1, C2
210uFMars_Library:C_0603C10, C12
21MMars_Library:R_0603R7, R11
222pFMars_Library:C_0402CC1, CC2
227RResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR1, R4
230pMars_Library:C_0402C16, C17
24.7uFMars_Library:C_0603C13, C14
249EPCM_marbastlib-xp-he:SW_MX_HE_90deg_1.5u_RulesHE15, HE28
2600RPCM_Ferrite_SMD_AKL:Ferrite_0603_1608MetricFB1, FB2
2BSS138Package_TO_SOT_SMD:SOT-23Q2, Q3
2SS14Diode_SMD:D_SMAD1, D2
10.1uMars_Library:C_0603C15
10.1uFMars_Library:C_0603C11
11.1AFuse:Fuse_0603_1608MetricF1
11.5pFMars_Library:C_0402CC5
110KMars_Library:R_0402R12
110nFMars_Library:C_0402CC9
112MHzCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mmY1
116MHzCrystal:Crystal_SMD_3225-4Pin_3.2x2.5mmY2
11MMars_Library:R_0402RR1
11kMars_Library:R_0603R2
11nFMars_Library:C_0402CC8
11pFMars_Library:C_0402CC6
11uMars_Library:C_0402C3
11uFMars_Library:C_0402C9
12.2nFMars_Library:C_0402CC3
12.4GHzMars_Library:MIFA_2.4GHz_AntennaANT1
12.7nHMars_Library:R_0402L2
122KMars_Library:R_0402RR2
12KMars_Library:R_0603R13
13.9nHMars_Library:R_0402L3
1330RMars_Library:R_0603R8
133nFMars_Library:C_0402CC7
14.7pFMars_Library:C_0402CC4
149EPCM_marbastlib-xp-he:SW_MX_HE_90deg_2.00u_RulesHE14
149EPCM_marbastlib-xp-he:SW_MX_HE_90deg_1.75u_RulesHE30
149EPCM_marbastlib-xp-he:SW_MX_HE_90deg_2.75u_RulesHE63
18.2nHMars_Library:R_0402L1
1AO3401APackage_TO_SOT_SMD:SOT-23Q1
1AP2112K-3.3TRG1PCM_Package_TO_SOT_SMD_AKL:SOT-23-5U1
1BOOTSELButton_Switch_SMD:SW_SPST_EVQP2_MiddlePushTravel_H2.5mmBOOT1
1DEBUGConnector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_VerticalJ2
1DNPMars_Library:R_0603R3
1DaughterConnector_JST:JST_GH_BM05B-GHS-TBT_1x05-1MP_P1.25mm_VerticalJ1
1MCP3208Package_SO:SOIC-16_3.9x9.9mm_P1.27mmU5
1MS-22D18G2ROHSMS-22D18G2ROHS:MS-22D18_SMDSW1
1REDLED_SMD:LED_0402_1005MetricD3
1RESETButton_Switch_SMD:SW_SPST_EVQP2_MiddlePushTravel_H2.5mmRUN1
1RP2040Package_DFN_QFN:QFN-56-1EP_7x7mm_P0.4mm_EP3.2x3.2mmU4
1RotaryEncoder_SwitchMars_Library:RotaryEncoder_MX_EC11_CircularMountingHolesENC1
1SN74LV1T125DBVPackage_TO_SOT_SMD:SOT-23-5U3
1TP4056-42-ESOP8Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mmU12
1W25Q128JVSPackage_SO:SOIC-8_5.3x5.3mm_P1.27mmU2
1nRF24L01PPackage_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mmU11

The 285 most common of 290 parts.

Questions

How big is the SM65 PCB?

It measures 304.8 × 95.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the SM65 use?

290 parts, built around the RP2040, SN74LV1T125DBV, NRF24L01P-R and MCP3208-BI/P. 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.

Where can I download the SM65 KiCad files?

From the Charading/SM65 repository on GitHub, at the commit this page was made from: the board is pcbs/SM65.kicad_pcb and its schematic pcbs/SM65.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SM65 design in my own project?

Its repository states no licence, so its author keeps all rights: ask Charading before reusing the design.

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