# E-Ink Word Learner ## Description 低功耗墨水屏英语单词学习机，支持中小学词库录入、上一页/下一页/收藏/年级选择按键，以及发音与静音控制。 ## Project Details - **Owner:** scz001 - **Created:** 5/20/2026 - **Last Updated:** 5/22/2026 - **Visibility:** Public ## Key Components ### D1 — [USBLC6-2P6](https://www.flux.ai/kicad-part-library/usblc6-2p6~djt.md) - Package or Case Code: SOT-666 - Role Details: USB2 D+/D- ESD protection at connector - Manufacturer Name: Texas Instruments Inc. - Part Type: Protection - Role: ESD Protection - Datasheet URL: https://www.st.com/resource/en/datasheet/usblc6-2.pdf - Manufacturer Part Number: USBLC6-2P6 **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [Generic LED SMD](https://www.flux.ai/jharwinbarrozo/generic-led-smd~ku.md) - Manufacturer Part Number: LTST-C190KRKT - Package: LED_0603_1608Metric - Role Details: MCP73831 charge status indicator - Manufacturer Name: Lite-On Inc. - Role: Signal Generation - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D4 — [MBR0530T1G](https://www.flux.ai/adrian95/mbr0530t1g~gz4.md) - Role Details: Schottky diode from SW_EPD to PREVGH per DESPI-C02 charge pump - Manufacturer Name: onsemi - Role: Rectification - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0530t1-d.pdf - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MBR0530T1G **Pins:** - A [pin 2] - K [pin 1] ### D5 — [MBR0530T1G](https://www.flux.ai/adrian95/mbr0530t1g~gz4.md) - Manufacturer Part Number: MBR0530T1G - License: https://creativecommons.org/licenses/by/4.0/ - Role: Rectification - Part Type: Diode - Role Details: Schottky diode from PREVGL to SW_EPD per DESPI-C02 negative pump - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0530t1-d.pdf - Manufacturer Name: onsemi **Pins:** - A [pin 2] - K [pin 1] ### D6 — [MBR0530T1G](https://www.flux.ai/adrian95/mbr0530t1g~gz4.md) - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0530t1-d.pdf - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MBR0530T1G - Role Details: Schottky diode from GND to SW_EPD per DESPI-C02 negative pump - Manufacturer Name: onsemi - Role: Rectification **Pins:** - A [pin 2] - K [pin 1] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/vasy_skral/usb-c-2p0-receptacle~1xw.md) - Symbol Style: parametric-v1 - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Part Type: USB C - Manufacturer Part Number: USB4105-GF-A - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Role: USB Connector - Manufacturer Name: GTC - Role Details: USB-C sink with USB2 D+/D- to ESP32-S3 native USB **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 7] - D- [pin 9] - D+ [pin 10] - D+ [pin 8] - GND [pin 1] - GND [pin 16] - GND [pin 15] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 3] - VBUS [pin 14] - VBUS [pin 4] - VBUS [pin 13] ### J2 — [TF-015](https://www.flux.ai/vasyl/tf-015~s40.md) - Part Type: Connector - Role Details: microSD card socket wired in SPI mode - Manufacturer Part Number: TF-015 - Role: Storage Connector - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2112221030_SOFNG-TF-015_C113206.pdf - Manufacturer Name: SOFNG **Pins:** - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - CD [pin 9] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - VDD [pin 4] - VSS [pin 6] ### J3 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Manufacturer Name: JST Sales America Inc. - Role: Battery Connector - Role Details: 2-pin JST-PH LiPo battery connector - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### J5 — [1729128](https://www.flux.ai/adrian95/1729128~gmm.md) - Manufacturer Name: Phoenix Contact - Datasheet URL: http://www.phoenixcontact.net/product/1729128 - Manufacturer Part Number: 1729128 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Speaker Connector - Package or Case Code: 1729128 - Part Type: Connector - Role Details: Differential speaker output from MAX98357A **Pins:** - 1 [pin 1] - 2 [pin 2] ### J6 — [FH34SRJ-24S-0.5SH(50)](https://www.flux.ai/adrian95/fh34srj-24s-0p5sh50~54.md) - Role Details: Board-integrated e-paper raw panel FPC connector per DESPI-C02-V2.1 P2 - Datasheet URL: https://www.hirose.com/product/download/?distributor=digikey&type=specSheet&lang=en&num=FH34SRJ-24S-0.5SH(50) - Role: Interconnect - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: FH34SRJ-24S-0.5SH(50) - Manufacturer Name: Hirose Electric Co Ltd - Part Type: Connector **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 17 [pin 17] - 18 [pin 18] - 19 [pin 19] - 2 [pin 2] - 20 [pin 20] - 21 [pin 21] - 22 [pin 22] - 23 [pin 23] - 24 [pin 24] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] - MP1 [pin MP1] - MP2 [pin MP2] ### Q2 — [SI1308EDL-T1-GE3](https://www.flux.ai/lcsc/si1308edl-t1-ge3~d35n.md) - Package or Case Code: SOT-323_L2.0-W1.3-P1.30-LS2.1-BR - Part Type: MOSFETs - Role: Switching - Manufacturer Part Number: SI1308EDL-T1-GE3 - Role Details: N-MOSFET boost switch driven by panel GDR with source sensed at RESE - LCSC Part Number: C469327 - JLCPCB Part Class: Extended Part - Manufacturer Name: VISHAY(威世) **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Role Details: Previous page - Part Type: Switch - Manufacturer Name: C&K - Role: User Button - Manufacturer Part Number: PTS636 SM43J SMTR LFS **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW2 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Part Type: Switch - Role: User Button - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Manufacturer Name: C&K - Role Details: Next page - Manufacturer Part Number: PTS636 SM43J SMTR LFS **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW3 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Role Details: Favorite word - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Part Type: Switch - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Manufacturer Name: C&K - Role: User Button **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW4 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Role: User Button - Manufacturer Name: C&K - Part Type: Switch - Role Details: Grade select - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW5 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Part Type: Switch - Manufacturer Name: C&K - Role: User Button - Role Details: Pronunciation playback **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW6 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Role: User Button - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Part Type: Switch - Role Details: Mute toggle **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW7 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Role Details: GD32 BOOT0 button, press high for system boot mode - Role: Boot Button - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Part Type: Switch - Manufacturer Name: C&K **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW8 — [PTS636 SM43J SMTR LFS](https://www.flux.ai/jharwinbarrozo/pts636-sm43j-smtr-lfs~6r0.md) - Role Details: Pull EN low for reset - Datasheet URL: https://www.ckswitches.com/media/2779/pts636.pdf - Part Type: Switch - RoleDetails: GD32 NRST reset button - Manufacturer Name: C&K - Manufacturer Part Number: PTS636 SM43J SMTR LFS - Role: Reset Button **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — [GD32F303VET6](https://www.flux.ai/lcsc/gd32f303vet6~ahdw.md) - Role Details: GD32F303VET6 main controller replacing ESP32-S3; USB FS, SPI, I2S and GPIO control - Product Info Url: https://lcsc.com/product-detail/GigaDevice_GD32F303VET6_C124714.html - Manufacturer Name: GigaDevice(兆易创新) - Role: MCU - Manufacturer Part Number: GD32F303VET6 - Package or Case Code: LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL - Part Type: GigaDevice - LCSC Part Number: C124714 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1811151640_GigaDevice-Semicon-Beijing-GD32F303VET6_C124714.pdf **Pins:** - BOOT0 [pin 94] - NC [pin 73] - NRST [pin 14] - OSC_IN [pin 12] - OSC_OUT [pin 13] - PA0_WAKEUP [pin 23] - PA1 [pin 24] - PA10 [pin 69] - PA11 [pin 70] - PA12 [pin 71] - PA13 [pin 72] - PA14 [pin 76] - PA15 [pin 77] - PA2 [pin 25] - PA3 [pin 26] - PA4 [pin 29] - PA5 [pin 30] - PA6 [pin 31] - PA7 [pin 32] - PA8 [pin 67] - PA9 [pin 68] - PB0 [pin 35] - PB1 [pin 36] - PB10 [pin 47] - PB11 [pin 48] - PB12 [pin 51] - PB13 [pin 52] - PB14 [pin 53] - PB15 [pin 54] - PB2 [pin 37] - PB3 [pin 89] - PB4 [pin 90] - PB5 [pin 91] - PB6 [pin 92] - PB7 [pin 93] - PB8 [pin 95] - PB9 [pin 96] - PC0 [pin 15] - PC1 [pin 16] - PC10 [pin 78] - PC11 [pin 79] - PC12 [pin 80] - PC13_TAMPER_RTC [pin 7] - PC14_OSC32_IN [pin 8] - PC15_OSC32_OUT [pin 9] - PC2 [pin 17] - PC3 [pin 18] - PC4 [pin 33] - PC5 [pin 34] - PC6 [pin 63] - PC7 [pin 64] - PC8 [pin 65] - PC9 [pin 66] - PD0 [pin 81] - PD1 [pin 82] - PD10 [pin 57] - PD11 [pin 58] - PD12 [pin 59] - PD13 [pin 60] - PD14 [pin 61] - PD15 [pin 62] - PD2 [pin 83] - PD3 [pin 84] - PD4 [pin 85] - PD5 [pin 86] - PD6 [pin 87] - PD7 [pin 88] - PD8 [pin 55] - PD9 [pin 56] - PE0 [pin 97] - PE1 [pin 98] - PE10 [pin 41] - PE11 [pin 42] - PE12 [pin 43] - PE13 [pin 44] - PE14 [pin 45] - PE15 [pin 46] - PE2 [pin 1] - PE3 [pin 2] - PE4 [pin 3] - PE5 [pin 4] - PE6 [pin 5] - PE7 [pin 38] - PE8 [pin 39] - PE9 [pin 40] - VBAT [pin 6] - VDD_1 [pin 50] - VDD_2 [pin 75] - VDD_3 [pin 100] - VDD_4 [pin 28] - VDD_5 [pin 11] - VDDA [pin 22] - VREF- [pin 20] - VREF+ [pin 21] - VSS_1 [pin 49] - VSS_2 [pin 74] - VSS_3 [pin 99] - VSS_4 [pin 27] - VSS_5 [pin 10] - VSSA [pin 19] ### U2 — [TPS63031DSKR](https://www.flux.ai/adrian95/tps63031dskr~yd3.md) - Manufacturer Name: Texas Instruments - Role Details: 3.3V buck-boost rail sized from power budget for up to ~0.9A rail peak - Part Type: Integrated Circuit - Manufacturer Part Number: TPS63031DSKR - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63030.pdf - Role: Regulator **Pins:** - EN [pin 6] - EP [pin 11] - FB [pin 10] - GND [pin 9] - L1 [pin 4] - L2 [pin 2] - PGND [pin 3] - PS/SYNC [pin 7] - VIN [pin 5] - VINA [pin 8] - VOUT [pin 1] ### U3 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MCP73831T-2ATI/OT - Manufacturer Name: Microchip Technology - Role: Battery Charger - Part Type: Integrated Circuit - Role Details: 1S LiPo charger, 4.2V regulation, charge current set by PROG resistor - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U4 — [MAX98357AETE+T](https://www.flux.ai/adrian95/max98357aeteplust~wk.md) - Manufacturer Part Number: MAX98357AETE+T - Role: Audio Amplifier - Role Details: I2S mono Class-D amplifier with shutdown/mode control - Manufacturer Name: Analog Devices Inc./Maxim Integrated - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/max98357a-max98357b.pdf - Part Type: Integrated Circuit - Symbol Style: parametric-v1 **Pins:** - ~SD_MODE [pin 4] - BCLK [pin 16] - DIN [pin 1] - GAIN_SLOT [pin 2] - GND_1 [pin 3] - GND_2 [pin 11] - GND_3 [pin 15] - LRCLK [pin 14] - N.C._1 [pin 5] - N.C._2 [pin 6] - N.C._3 [pin 12] - N.C._4 [pin 13] - OUTN [pin 10] - OUTP [pin 9] - THERMAL_PAD [pin 17] - VDD_1 [pin 7] - VDD_2 [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/scz001/e-ink-word-learner~5y](https://www.flux.ai/scz001/e-ink-word-learner~5y).* --- *Generated from [https://www.flux.ai/scz001/e-ink-word-learner~5y](https://www.flux.ai/scz001/e-ink-word-learner~5y)*