DeskAssistant v1.5 – README

Diagrama bloc

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Bill of Materials (BoM)

Bill of Materials

Componenta	Link
SAMACSYS_PARTS_USB4110-GF-A	https://componentsearchengine.com/part-view/USB4110-GF-A/GCT%20(GLOBAL%20CONNECTOR%20TECHNOLOGY)
SI1308EDL-T1-GE3	https://componentsearchengine.com/part-view/SI1308EDL-T1-GE3/Vishay
SJ	https://grabcad.com/library/solder-jumpers-1
USBLC6-2SC6Y	https://www.snapeda.com/parts/USBLC6-2SC6Y/STMicroelectronics/view-part/?ref=eda
W25Q512JVEIQ	https://www.snapeda.com/parts/W25Q512JVEIQ/Winbond+Electronics/view-part/?ref=eda
ESP32_WROVER_EAGLE-LTSPICE_RR0402	https://www.snapeda.com/parts/RC0402FR-07226RL/Yageo/view-part/
ESP32C6_VARISTORCN1812	https://www.mouser.co.uk/ProductDetail/EPCOS-TDK/B72520T0350K062?qs=dEfas%2FXlABIszF52uu7vrg%3D%3D
FH34SRJ-24S-0.5SH_99_	https://componentsearchengine.com/part-view/XC6220A331MR-G/Torex
MAX17048G+T10	https://www.snapeda.com/parts/MAX17048G+T10/Analog+Devices/view-part/?ref=eda
MBR0530	https://ro.mouser.com/ProductDetail/KYOCERA-AVX/SD0805S020S1R0?qs=jCA%252BPfw4LHbpkAoSnwrdjw%3D%3D
PGB1010603MR	https://www.snapeda.com/parts/PGB1010603MR/Littelfuse/view-part/?ref=eda
RCL_CPOL-EUCT3528	https://ro.mouser.com/ProductDetail/Vishay-Sprague/TR3B106K025C1300?qs=jCGqFXxTmLdffnuDkXzk1g%3D%3D
112A-TAAR-R03_ATTEND	https://store.comet.bg/en/Catalogue/Product/43497/
744043680IND_4828-WE-TPC_WRE	https://www.digikey.sg/en/models/1638515
BD5229G-TR	https://componentsearchengine.com/part-view/BD5229G-TR/ROHM%20Semiconductor
DS3231SN	https://www.snapeda.com/parts/DS3231SN%23/Analog+Devices/view-part/?ref=eda
ESP32-C6-WROOM-1-N8	https://www.snapeda.com/parts/ESP32-C6-WROOM-1-N8/Espressif+Systems/view-part/?ref=eda
MCP73831	https://www.digikey.com/en/models/1874108
XC6220A331MR-G	https://componentsearchengine.com/part-view/XC6220A331MR-G/Torex
QWIIC_CONNECTORJS-1MM	https://www.snapeda.com/parts/PRT-14417/SparkFun/view-part/
BUTTON_CUSYOMV1	https://industry.panasonic.com/global/en/downloads?tab=cad&small_g_cd=203&part_no=EVQPUJ02K&q=RVZRUFVKMDJLJTdDMTMlN0MyMDMlN0MzNDU5JTdDMSU3QyU3QyU3Q2ZhbHNl
ESP32_WROVER_EAGLE-LTSPICE_CC0402	https://componentsearchengine.com/part-view/CC0402MRX5R5BB106/YAGEO
CPH3225A	https://www.snapeda.com/parts/CPH3225A/Seiko+Instruments/view-part/?ref=eda
ADAFRUIT_LEDCHIP-LED0603	https://www.snapeda.com/parts/KP-1608SURCK/Kingbright/view-part/?ref=search&t=LED%200603
ESP32_WROVER_BME680_BME680	https://www.snapeda.com/parts/BME680/Bosch/view-part/?welcome=home
ESP32_WROVER_SPARKFUN-DISCRETESEMI_MOSFET_PCH-DMG2305UX-7	https://componentsearchengine.com/part-view/DMG2305UX-7/Diodes%20Incorporated

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Funcționalități hardware

1. Microcontroller – ESP32-C6-WROOM-1-N8

• Wireless: WiFi 6, BLE 5.0, Zigbee, Thread
• Interfețe: UART, I²C, SPI, USB, ADC, PWM
• Rol: Unitate centrală de control, achiziție date, comunicare cu periferice și backend.

2. Senzori

• BME688: măsoară temperatură, umiditate, presiune și compuși organici volatili (VOC)
  • Interfață: I²C
• DS3231SN: RTC (Real Time Clock)
  • Interfață: I²C
• MAX17048: fuel gauge pentru baterie
  • Interfață: I²C

3. Memorie externă

• W25Q512JVEIQ
  • Tip: NOR Flash, 512Mbit
  • Interfață: SPI

4. Managementul energiei

• MCP73831: încărcător Li-Ion
• MAX17048: monitorizare baterie
• BD5229G-TR: LDO pentru 2.9V stabil
• Diodă Schottky, MOSFET, varistor: protecție la supratensiuni și polarizare inversă

5. Conectivitate și I/O

• USB4110-GF-A: conector USB-C pentru alimentare/comunicare
• QWIIC connector: I²C modular pentru senzori plug-and-play
• LED status și buton fizic (boot/reset sau input utilizator)

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Conexiuni GPIO la ESP32-C6

Componentă	Interfață	GPIO ESP32-C6	Funcție
BME688 / DS3231 / MAX17048	I²C	GPIO8 (SDA), GPIO9 (SCL)	Magistrală partajată
W25Q512JVEIQ	SPI	GPIO4 (MOSI), GPIO5 (MISO), GPIO6 (CLK), GPIO7 (CS)	Comunicare cu flash extern
LED status	GPIO	GPIO3	Indicator status / PWM
Buton	GPIO + Pull-up	GPIO0	Reset / boot / input utilizator
MCP73831 – STAT	GPIO	GPIO10	Monitorizare stare încărcare
MAX17048 – ALERT	GPIO (Interrupt)	GPIO1	Notificare SoC critic
USB-C – D+ / D-	USB	GPIO18 (D+), GPIO19 (D-)	Comunicare USB nativă

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Estimare consum energetic

Componentă	Consum tipic
ESP32-C6	~130 mA (activ)
BME688	~3.1 µA
DS3231	~200 nA
MAX17048	~23 µA
MCP73831	până la 500 mA (în încărcare)
LED-uri	2–10 mA

Consum total în mod activ: aprox. 150–180 mA

Randări PCB și design fizic