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Https://dl.sipeed.com/MAIX/HDK/Sipeed-M1&M1W/Specifications AI Kendryte K210 RISC-V Texas Instruments (http://www.ti.com/lit/ds/symlink/tps22993.pdf QFN, 24 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1742.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-124-02-xxx-DV-BE-A, 24 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSOP I, 28 pins, 18.8x8mm body, 0.55mm pitch, IPC-calculated pads (http://ww1.microchip.com/downloads/en/devicedoc/doc0807.pdf TSOP I 32 reverse TSOP-I, 40 Pin (JEDEC MO-153 Var DC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Tantalum Capacitor SMD AVX-V (7361-38 Metric), IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Tactile Switch Ultra-small-sized Tactile Switch with High Contact Reliability, Top-actuated Model, with Ground Terminal Middle Stroke Tactile Switch with High Contact Reliability, Top-actuated Model, with Ground Terminal, with Boss SPST button tactile switch SPST angled PTS645VL58-2 LFS tactile switch https://www.ckswitches.com/media/1972/ksc6.pdf CK components KSC7 tactile switch SPST angled PTS645VL31-2 LFS tactile switch SPST LED OFF-ON D Double Pole Single Throw (SPST) switch with 12 positions D 4 rotary switches with 4 positions D 2 rotary switch with LED, generic D Push button switch, generic, symbol, four pins D Push button switch, generic, two pins K switch normally-open pushbutton push-button Lamp D Push button switch, generic, two pins | | | | 4 | | | | J8 | 1 | 100k | Resistor | | Tayda | A-1672 | | J8 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 | | R14 | 1 | Conn_01x02 | SIP socket, 2.54 mm, 1x2 (see [build notes](build.md | | C7, C11 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | U1 | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) Operational amplifier, DIP-8 Standard switching diode, DO-35"/>

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