# Male Olive Wall-E ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** tndjtyqegv - **Created:** 3/9/2026 - **Last Updated:** 3/9/2026 - **Visibility:** Public - **System Architecture:** flowchart TD USB_C["USB Type-C receptacle"] ESD["ESD protection"] CHG["Li-ion charger 1-cell"] BAT["Li-ion battery"] VBAT["VBAT rail"] BUCKBOOST["3.3V buck-boost"] V33["3.3V rail"] UART_BRIDGE["USB to UART bridge"] BLE_MCU["BLE MCU"] BOOT_RESET["Boot and Reset"] SERVO["3-wire servo header"] HALL_FPC["3-wire hall FPC connector"] AMP["Class-D amplifier"] SPK["2-pin speaker"] MSW["Microswitch header"] USB_C --> ESD ESD --> CHG CHG --> BAT BAT --> VBAT VBAT --> BUCKBOOST BUCKBOOST --> V33 ESD --> UART_BRIDGE UART_BRIDGE --> BLE_MCU V33 --> BLE_MCU BOOT_RESET --> BLE_MCU VBAT --> SERVO BLE_MCU --> SERVO V33 --> HALL_FPC BLE_MCU --> HALL_FPC VBAT --> AMP BLE_MCU --> AMP AMP --> SPK BLE_MCU --> MSW ## Key Components ### D1 — [LESD5D5.0CT1G](https://www.flux.ai/jecstronic/lesd5d5p0ct1g~1qj.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2210171730_UMW-Youtai-Semiconductor-Co---Ltd--LESD5D5-0CT1G_C5199850.pdf - Part Type: Diode - Role Details: TVS/ESD on VBUS 5V input - Manufacturer Name: UMW(Youtai Semiconductor Co., Ltd.) - Manufacturer Part Number: LESD5D5.0CT1G - Role: ESD - Package: SOD-523 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A1 [pin 1] - A2 [pin 2] ### FPC1 — [1.0K-N-3PB](https://www.flux.ai/lcsc/1p0k-n-3pb~16ks.md) - Part Type: FFC/FPC Connectors - Package: FPC - Package or Case Code: FPC-SMD_3P-P1.00_HDGC_1.0K-N-3PB - Role: Connector - LCSC Part Number: C2915549 - Manufacturer Part Number: 1.0K-N-3PB - Role Details: Hall sensor FPC connector 1.0mm pitch, 3-wire - JLCPCB Part Class: Extended Part - Manufacturer Name: HDGC(华德共创) **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### IC1 — [PAM8301AAF](https://www.flux.ai/vasyl/pam8301aaf~da.md) - Manufacturer Part Number: PAM8301AAF - Role Details: Mono Class-D amplifier powered from VBAT, input from MCU PWM/filtered audio - Datasheet URL: https://www.diodes.com/assets/Datasheets/products_inactive_data/PAM8301.pdf - Manufacturer Name: Diodes Incorporated - Part Type: Integrated Circuit - Role: Amplifier - Package: TSOT-23-6 **Pins:** - ~SD [pin 4] - GND [pin 2] - IN [pin 3] - OUT- [pin 1] - OUT+ [pin 6] - VDD [pin 5] ### J1 — [0022232031](https://www.flux.ai/adrian95/0022232031~ox7.md) - Datasheet URL: https://www.molex.com/pdm_docs/sd/022232031_sd.pdf - Package: THT - Role Details: 3-pin 2.54mm servo header: VBAT, GND, PWM - Role: Connector - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0022232031 - Manufacturer Name: Molex **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J2 — [JST B2B PH K 01x02 Connector](https://www.flux.ai/jharwinbarrozo/jst-b2b-ph-k-01x02-connector~zu5.md) - Manufacturer Name: JST Sales America - Role Details: 2-pin speaker output connector - Role: Connector - Package: THT - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J4 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Role: Connector - Role Details: Battery connector 2-pin JST PH 2.0mm - Package: SMT - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### J5 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Package: THT - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role Details: Microswitch input header **Pins:** - P1 [pin 1] - P2 [pin 2] ### J5 — [0022232021](https://www.flux.ai/adrian95/0022232021~3lz.md) - Role: Connector - Role Details: Microswitch 2-pin header 2.54mm with explicit MPN - Package: THT - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Molex - Part Type: Connector - Datasheet URL: https://tools.molex.com/pdm_docs/sd/022232021_sd.pdf - Manufacturer Part Number: 0022232021 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J5 — [0022232021](https://www.flux.ai/adrian95/0022232021~3lz.md) - Datasheet URL: https://tools.molex.com/pdm_docs/sd/022232021_sd.pdf - Manufacturer Part Number: 0022232021 - Role: Connector - Role Details: Microswitch 2-pin header 2.54mm with explicit MPN - Package: THT - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Molex **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### Q1 — [2N7002K](https://www.flux.ai/jecstronic/2n7002k~8y.md) - Package: SOT-23 - Manufacturer Part Number: 2N7002K - Part Type: Transistor - Manufacturer Name: MDD - Role Details: Auto-reset/boot MOSFET for ESP UART download - Datasheet URL: https://www.infineon.com/dgdl/Infineon-2N7002-DS-v02_04-en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Transistor **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [2N7002K](https://www.flux.ai/jecstronic/2n7002k~8y.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 2N7002K - Part Type: Transistor - Package: SOT-23 - Manufacturer Name: MDD - Role: Transistor - Datasheet URL: https://www.infineon.com/dgdl/Infineon-2N7002-DS-v02_04-en.pdf - Role Details: Auto-reset/boot MOSFET for ESP UART download **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [PTS810SJK250SMTRLFS](https://www.flux.ai/jharwinbarrozo/pts810sjk250smtrlfs~6tl.md) - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810121650_C-K-PTS810SJK250SMTRLFS_C221896.pdf - Role: Button - Manufacturer Name: C&K - Package: SMD - Manufacturer Part Number: PTS810SJK250SMTRLFS - Role Details: Boot/Reset tactile switch **Pins:** - P1 [pin 1] - P3 [pin 3] ### SW2 — [PTS810SJK250SMTRLFS](https://www.flux.ai/jharwinbarrozo/pts810sjk250smtrlfs~6tl.md) - Role: Button - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810121650_C-K-PTS810SJK250SMTRLFS_C221896.pdf - Part Type: Switch - Package: SMD - Manufacturer Name: C&K - Manufacturer Part Number: PTS810SJK250SMTRLFS - Role Details: Boot/Reset tactile switch **Pins:** - P1 [pin 1] - P3 [pin 3] ### U1 — [USBLC6-2P6](https://www.flux.ai/kicad-part-library/usblc6-2p6~djt.md) - Role Details: USB D+ D- ESD protection - Package or Case Code: SOT-666 - Manufacturer Part Number: USBLC6-2P6 - Datasheet URL: https://www.st.com/resource/en/datasheet/usblc6-2.pdf - Manufacturer Name: Texas Instruments Inc. - Role: ESD **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### U2 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - Manufacturer Part Number: MCP73831T-2ATI/OT - Role Details: Single-cell Li-ion charger from USB 5V, set ICHG <=500mA - Manufacturer Name: Microchip Technology - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Package: SOT-23-5 - Role: Charger **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U3 — [TPS63031DSKR](https://www.flux.ai/adrian95/tps63031dskr~yd3.md) - Role Details: 3.3V buck-boost regulator for MCU and Hall FPC - License: https://creativecommons.org/licenses/by/4.0/ - Package: DFN-10 - Manufacturer Name: Texas Instruments - Role: Regulator - Part Type: Integrated Circuit - Manufacturer Part Number: TPS63031DSKR - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63030.pdf **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] ### U4 — [ESP32-C3-MINI-1-N4(4MB)](https://www.flux.ai/lcsc/esp32-c3-mini-1-n44mb~ws8.md) - Package or Case Code: WIFIM-SMD_ESP32-C3-MINI-1 - Part Type: WIFI Modules - LCSC Part Number: C2934561 - Role: MCU - Manufacturer Name: ESPRESSIF(乐鑫) - Manufacturer Part Number: ESP32-C3-MINI-1-N4(4MB) - JLCPCB Part Class: Extended Part - Role Details: BLE MCU module with UART download; provides PWM, GPIO for hall, servo, audio - Package: Module **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND [pin 43] - GND [pin 52] - GND [pin 44] - GND [pin 39] - GND [pin 41] - GND [pin 49] - GND [pin 14] - GND [pin 48] - GND [pin 40] - GND [pin 51] - GND [pin 1] - GND [pin 36] - GND [pin 50] - GND [pin 53] - GND [pin 45] - GND [pin 37] - GND [pin 38] - GND [pin 47] - GND [pin 2] - GND [pin 42] - GND [pin 46] - GND [pin 11] - IO1 [pin 13] - IO10 [pin 16] - IO18 [pin 26] - IO19 [pin 27] - IO2 [pin 5] - IO3 [pin 6] - IO4 [pin 18] - IO5 [pin 19] - IO6 [pin 20] - IO7 [pin 21] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 28] - NC [pin 32] - NC [pin 9] - NC [pin 17] - NC [pin 4] - NC [pin 7] - NC [pin 35] - NC [pin 25] - NC [pin 24] - NC [pin 15] - NC [pin 33] - NC [pin 10] - NC [pin 29] - NC [pin 34] - O0 [pin 12] - RXD0 [pin 30] - TXD0 [pin 31] ### U5 — [CP2102N-A02-GQFN20](https://www.flux.ai/vasyl/cp2102n-a02-gqfn20~q3n.md) - Role Details: USB-UART bridge with DTR/RTS for ESP auto download - Part Type: Microcontroller - Datasheet URL: https://www.silabs.com/documents/public/data-sheets/cp2102n-datasheet.pdf - Manufacturer Part Number: CP2102N-A02-GQFN20 - Package: QFN-20 - Role: USB-UART - Manufacturer Name: SILICON LABS **Pins:** - ~CTS [pin 15] - ~RTS [pin 16] - ~RXT~/GPIO.3 [pin 19] - ~SUSPEND [pin 11] - ~TXT~/GPIO.2 [pin 20] - ~WAKEUP [pin 13] - CLK/GPIO.0 [pin 2] - D- [pin 5] - D+ [pin 4] - GND [pin 21] - GND [pin 12] - GND [pin 3] - NC [pin 10] - RS485/GPIO.1 [pin 1] - RXD [pin 9] - RXD [pin 17] - SUSPEND [pin 14] - TXD [pin 18] - USB [pin 8] - VDD [pin 6] - VREGIN [pin 7] ### USB1 — [TYPEC-304A-ACP16L](https://www.flux.ai/lcsc/typec-304a-acp16l~p1jj.md) - Role: Connector - Part Type: USB Connectors - LCSC Part Number: C2909609 - Manufacturer Name: XUNPU(讯普) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: TYPEC-304A-ACP16L - Role Details: USB Type-C UFP, VBUS for charging, D+/D- for USB-UART - Package or Case Code: USB-C-SMD_XUNPU_TYPEC-304A-ACP16L **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - EH [pin 27] - EH [pin 26] - EH [pin 25] - EH [pin 28] - GND [pin A12] - GND [pin B12] - GND [pin B1] - GND [pin A1] - SUB1 [pin A8] - SUB2 [pin B8] - VBUS [pin A9] - VBUS [pin B9] - VBUS [pin A4] - VBUS [pin B4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/tndjtyqegv/male-olive-wall-e~ky](https://www.flux.ai/tndjtyqegv/male-olive-wall-e~ky).* --- *Generated from [https://www.flux.ai/tndjtyqegv/male-olive-wall-e~ky](https://www.flux.ai/tndjtyqegv/male-olive-wall-e~ky)*