# Circlegotchi E Ink ESP32 ## Description Circle-shaped ESP32 E Ink Tamagotchi-style handheld with USB-C power/programming, buttons, buzzer, and low-power display. Vibe-hardwared with no technical knowledge on May 12, 2026, and built in 30 minutes of real time. ## Project Details - **Owner:** adriangispert - **Created:** 5/12/2026 - **Last Updated:** 5/12/2026 - **Visibility:** Public ## Key Components ### BZ1 — [CMI-9653S-SMT-TR](https://www.flux.ai/adrian95/cmi-9653s-smt-tr~7o.md) - Manufacturer Part Number: CMI-9653S-SMT-TR - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Buzzer - Package or Case Code: CMI9653SSMTTR - Manufacturer Name: Same Sky - Datasheet URL: https://componentsearchengine.com/Datasheets/1/CMI-9653S-SMT-TR.pdf **Pins:** - - [pin 1] - + [pin 2] ### D1 — [KT-0603R](https://www.flux.ai/adrian95/kt-0603r~7c.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Hubei KENTO Elec - Manufacturer Part Number: KT-0603R - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1810231112_Hubei-KENTO-Elec-KT-0603R_C2286.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Part Type: USB C - Symbol Style: parametric-v1 - Manufacturer Name: GCT - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - Package or Case Code: GCT_USB4215-03-A_REVA - Manufacturer Part Number: USB4215-03-A **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_A [pin A1_B12] - GND_B [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - VBUS_A [pin A4_B9] - VBUS_B [pin B4_A9] ### J2 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Part Type: Connector - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Manufacturer Name: JST Sales America Inc. - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [Pin Header 01x08 2.54mm Vertical](https://www.flux.ai/vasyl/pin-header-01x08-254mm-vertical~95x.md) - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] ### Q1 — [2N7002,215](https://www.flux.ai/adrian95/2n7002215~nwc.md) - Manufacturer Part Number: 2N7002,215 - Part Type: Transistor - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/2N7002.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### SW1 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Part Number: B3FS-1002P - Manufacturer Name: Omron Electronics Inc-EMC Div **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW2 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Part Number: B3FS-1002P - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW3 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - Part Type: Electromechanical Components - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: B3FS-1002P - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Name: Omron Electronics Inc-EMC Div **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW4 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Part Number: B3FS-1002P - Manufacturer Name: Omron Electronics Inc-EMC Div - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### SW5 — [B3FS-1002P](https://www.flux.ai/adrian95/b3fs-1002p.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf - Manufacturer Part Number: B3FS-1002P - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [ESP32-S3-WROOM-1-N16R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n16r8~fs1.md) - Part Type: Module - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.mouser.com/datasheet/2/891/esp32_s3_wroom_1_wroom_1u_datasheet_en-2930317.pdf - Manufacturer Part Number: ESP32-S3-WROOM-1-N16R8 - Manufacturer Name: Espressif Systems **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND_1 [pin 1] - GND_10 [pin 48] - GND_11 [pin 49] - GND_2 [pin 40] - GND_3 [pin 41] - GND_4 [pin 42] - GND_5 [pin 43] - GND_6 [pin 44] - GND_7 [pin 45] - GND_8 [pin 46] - GND_9 [pin 47] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U2 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf - Manufacturer Part Number: MCP73831T-2ATI/OT - Part Type: Integrated Circuit - Manufacturer Name: Microchip Technology **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U3 — [AP2112K-3.3TRG1](https://www.flux.ai/adrian95/ap2112k-33trg1~zlq.md) - Part Type: Integrated Circuit - Manufacturer Part Number: AP2112K-3.3TRG1 - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Manufacturer Name: Diodes Incorporated **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/adriangispert/circlegotchi-e-ink-esp32~ll](https://www.flux.ai/adriangispert/circlegotchi-e-ink-esp32~ll).* --- *Generated from [https://www.flux.ai/adriangispert/circlegotchi-e-ink-esp32~ll](https://www.flux.ai/adriangispert/circlegotchi-e-ink-esp32~ll)*