# Murgamon (Ear Tag) ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** praneya - **Created:** 3/31/2026 - **Last Updated:** 4/6/2026 - **Visibility:** Public ## Key Components ### #PWR1 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR10 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR2 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR3 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR4 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR5 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR6 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR7 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR8 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### #PWR9 — [+3V3R](https://www.flux.ai/jharwinbarrozo/3v3r~an2.md) - Manufacturer Part Number: +3V3R **Pins:** - +3V3R ### JST — [B2B-PH-K-S-GW](https://www.flux.ai/adrian95/b2b-ph-k-s-gw~trn.md) - Manufacturer Part Number: B2B-PH-K-S-GW - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://lcsc.com/datasheet/lcsc_datasheet_2402261208_JST-B2B-PH-K-S-GW_C5251182.pdf - Manufacturer Name: JST **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### SEN-11574 — [SEN-11574](https://www.flux.ai/jecstronic/sen-11574~np8.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/840/Pulse_Sensor.pdf - Manufacturer Part Number: SEN-11574 - Manufacturer Name: SparkFun Electronics - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - GND [pin 3] - SIG [pin 1] - V+ [pin 2] ### U1 — [RC522 RFID](https://www.flux.ai/jecstronic/rc522-rfid~dc6.md) - Manufacturer Name: Handson Technology - Part Type: Module - Datasheet URL: http://www.handsontec.com/dataspecs/RC522.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: RC522 **Pins:** - GND [pin 3] - IRQ [pin 4] - MISO/SCL/Tx [pin 5] - MOSI [pin 6] - RST [pin 2] - SCK [pin 7] - SS/SDA/Rx [pin 8] - VCC [pin 1] ### U2 — [MAX30102EFD+T](https://www.flux.ai/vasy_skral/max30102efdplust~r7h.md) - Manufacturer Name: Maxim Integrated - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: Parametric - Manufacturer Part Number: MAX30102EFD+T - Part Type: Integrated Circuit **Pins:** - ~INT [pin 13] - GND [pin 12] - IR_DRV [pin 6] - NC [pin 8] - NC [pin 14] - NC [pin 1] - NC [pin 7] - PGND [pin 4] - R_DRV [pin 5] - SCL [pin 2] - SDA [pin 3] - VDD [pin 11] - VLED+ [pin 10] - VLED+ [pin 9] ### U3 — [LM335ADT](https://www.flux.ai/lcsc/lm335adt~jlw.md) - LCSC Part Number: C361027 - Part Type: Temperature Sensors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010101_STMicroelectronics-LM335ADT_C361027.pdf - Product Info Url: https://lcsc.com/product-detail/Others_STMicroelectronics-LM335ADT_C361027.html - Manufacturer Name: ST(意法半导体) - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL - Manufacturer Part Number: LM335ADT **Pins:** - ADJ [pin 5] - NC [pin 2] - NC [pin 6] - NC [pin 7] - NC [pin 3] - NC [pin 1] - V- [pin 4] - V+ [pin 8] ### U4 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Stackup: Standard 4 Layer - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Copper Planes: Layer 2: GND, Layer 3: 5V - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - Environment: Industrial (-40 °C to 85 °C, EMI class) - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-WROOM-32D **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U5 — [TP4056](https://www.flux.ai/vasy_skral/tp4056~xa.md) - Datasheet URL: https://dlnmh9ip6v2uc.cloudfront.net/datasheets/Prototyping/TP4056.pdf - Manufacturer Name: NanJing Top Power ASIC Corp. - Part Type: Integrated Circuit - Manufacturer Part Number: TP4056 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~CHRG [pin 7] - ~STDBY [pin 6] - BAT [pin 5] - CE [pin 8] - EP [pin 9] - GND [pin 3] - PROG [pin 2] - TEMP [pin 1] - VCC [pin 4] ### U6 — [RAK3172-8-SM-NI](https://www.flux.ai/jecstronic/rak3172-8-sm-ni~we.md) - Datasheet URL: https://alphamicro.net/wp-content/uploads/2023/06/RAK3172-Datasheet_20230411.pdf - Manufacturer Name: RAKwireless Technology Limited - Manufacturer Part Number: RAK3172-8-SM-NI - Part Type: RF Module - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - BOOT0 [pin 21] - GND [pin 11] - GND [pin 18] - GND [pin 28] - GND [pin 23] - GND [pin 17] - PA0 [pin 29] - PA1 [pin 6] - PA10/ADC4 [pin 25] - PA11/I2C_SDA [pin 10] - PA12/I2C_SCL [pin 9] - PA13/SWDIO [pin 7] - PA14/SWCLK [pin 8] - PA15/ADC5 [pin 3] - PA2/UART2_TX [pin 2] - PA3/UART2_RX [pin 1] - PA4/SPI1_NSS [pin 16] - PA5/SPI1_CLK [pin 15] - PA6/SPI1_MISO [pin 14] - PA7/SPI1_MOSI [pin 13] - PA8 [pin 19] - PA9 [pin 20] - PB12 [pin 27] - PB2/AD3 [pin 26] - PB3/ADC1 [pin 32] - PB4/ADC2 [pin 31] - PB5 [pin 30] - PB6/UART1_TX [pin 4] - PB7/UART1_RX [pin 5] - RF [pin 12] - RST [pin 22] - VDD [pin 24] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/praneya/murgamon-ear-tag~0c](https://www.flux.ai/praneya/murgamon-ear-tag~0c).* --- *Generated from [https://www.flux.ai/praneya/murgamon-ear-tag~0c](https://www.flux.ai/praneya/murgamon-ear-tag~0c)*