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License: CC-BY-SA 3.0

Mode: Editors' pick

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Update time: 2023-09-12 05:54:10
Creation time: 2021-02-05 14:22:10
- **Super compact & powerful**, measured only 35.56x35.56mm (1400x1400mil) with 3x10P standard pitch 2.54mm (100mil) pinout, packing all the onboard features. - **ESP32-WROOM-32UE**, comes with latest [ECO V3](https://www.espressif.com/sites/default/files/documentation/ESP32_ECO_V3_User_Guide__EN.pdfhttps://www.espressif.com/sites/default/files/documentation/ESP32_ECO_V3_User_Guide__EN.pdf) Dual Core 32-bit LX6 microprocessor with clock up to 240MHz, ULP co-processor, 520kB SRAM, 16MB flash. - **802.11b/g/n WiFi Connectivity**, support mode STA/AP/STA+AP mode with external antenna using U.FL/IPEX connector allowing the board to be installed inside the enclosure without worrying transceiver signal quality. - **Bluetooth 4.2 Connectivity**, support classic bluetooth and Low Energy (LE) protocol. - **CP2104 UART to USB Bridge**, full-speed programmer & data port with auto-reset trigger using DTR and RTS line. - **DS3231M RTC**, extremely accurate ±5ppm RTC with alarm trigger capability and onboard MS621FE rechargeable backup battery. Connected via I2C at address 0x68. - **Battery Powered**, run SENTSOR board everywhere without power supply issue with 1-cell Lithium Ion/Polymer battery via JST-PH connector. - **CN3165 Battery Charger**, solar-powered and USB-compatible Lithium Ion/Polymer charger with on-chip adaptive charging current for wide range of input power scenario. - **DW01A Battery Protection**, battery usage protection against over-charge, over-discharge, over-current, and short circuit. - **BQ27441-G1 Battery Fuel Gauge**, accurately monitor your battery Relative State of Charge (RSOC). - **RT9078 & RT9013 LDO**, dual low quiescent current LDO design providing configurable +3.3V power rail up to 800mA. - **Super Low Power**, measured sleep mode power consumption down to XuW (XuA XV at VBAT pin, LDO2 off). - **Built-in LED/RGB**, single color active-low LED connected to pin IO2, and 4xSK6812 addressable RGB LED connected to pin IO4. SK6812 data out is exposed so you can chain it up with the rest of the LED circuit. - **MicroSD socket**, connected via SPI with slave select (SS) at pin IO5. - **22 pin GPIO** @3V3 level, 3xUART, 2xSPI, 2xI2C, 2xI2S, 12bit ADC, 8bit DAC, hall-effect sensing, capacitive sensing, JTAG debug, etc. Please see pinout poster/schematic file for more information.
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ID Name Designator Footprint Quantity BOM_Manufacturer BOM_Manufacturer Part
1 MS621FE BAT1 MS621FE 1 Seiko Instuments Inc. MS621FE
2 RST BTN1 SW-SMD_L3.9-W3.0-P4.45 1 XUNPU TS-1088R-02026
3 BOOT BTN2 SW-SMD_L3.9-W3.0-P4.45 1 XUNPU TS-1088R-02026
4 100u, 6.3V C1 CASE-B_3528 1 VISHAY 293D107X96R3B2TE3
5 1u C2,C4,C6,C9,C10,C11 C0402 6 SAMSUNG CL05A105KO5NNNC
6 4.7u C3,C5 C0402 2 Samsung Electro-Mechanics CL05A475KP5NRNC
7 10u C7 C0402 1 Samsung Electro-Mechanics CL05A106MP5NUNC
8 100n C8,C12,C13,C14,C15,C16,C17,C18,C19 C0402 9 YAGEO CC0402KRX7R7BB104
9 HYC80-TF08-375 CARD1 HYC80-TF08-XXX 1 Shenzhen Huayu Chuang Precision Electronics Co., Ltd. HYC80-TF08-XXX
10 JST-PH, 2P CN1 CONN-SMD_2P-P2.00_A2001WR-S-2P-AA 1 CNJM A2001WR-S-2P
12 BAT60A D1,D2 SOD-323_L1.8-W1.3-LS2.5-RD 2 Infineon Technologies BAT60AE6327HTSA1
13 USBLC6-2SC6 D3 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR 1 STMicroelectronics USBLC6-2SC6
14 BAT54LP D5 DFN-2L_L1.0-W0.6-P0.65-RD 1 DIODES BAT54LP-7
15 BSMD0402L-035 F1 F0402 1 BHFUSE BSMD0402L-035
16 Blue LED1 LED-0402 1 EVERLIGHT 16-213/BHC-AN1P2/3T
17 Green LED2 LED-0402 1 EVERLIGHT 16-213/GHC-YR1S1/3T
18 Orange LED3 LED-0402 1 EVERLIGHT 16-213UYOC/S530-A2/TR8
19 White LED4 LED-0402 1 EVERLIGHT 16-213/T3D-AP1Q2QY/3T
20 EC20-SK6812 LED5,LED6,LED7,LED8 SK6812-2020 4 Normand EC20-6812
21 CJ2301 Q1 SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR 1 CJ CJ2301 S1
22 SL8205S Q2 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL 1 SLKORMICRO Elec. SL8205S
23 UMH3N Q3 SC-70-6_L2.2-W1.3-P0.65-LS2.1-BL 1 CJ UMH3N
24 100k R1,R2,R13,R14 R0402 4 YAGEO RC0402FR-07100KL
25 10k R3,R7,R8,R15,R16,R17,R18,R20,R29 R0402 9 YAGEO RC0402FR-0710KL
26 3.9k R4 R0603 1 YAGEO RC0603FR-073K9L
27 100 R5 R0603 1 YAGEO RC0603FR-07100RL
28 1k R6,R22 R0402 2 YAGEO RC0402FR-071KL
29 0.01 R9 R0603 1 Walter Elec STE0603MW50R010F
30 1M R10 R0402 1 YAGEO RC0402FR-071ML
31 5.1k R11,R12 R0402 2 YAGEO RC0402FR-075K1L
32 300 R21 R0402 1 YAGEO RC0402FR-07300RL
33 XC6220B331MR-G U1,U2 TSOT-23-5_L2.9-W1.6-P0.95-LS2.8-BL 2 TOREX XC6220B331MR-G
34 CN3165 U3 DFN-8_L3.0-W3.0-P0.50-TL-EP 1 ShangHai Consonance Elec CN3165
35 DW01A U4 SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL 1 TuoFeng DW01A
36 BQ27441DRZR-G1B U5 SON-12_L4.0-W2.5-P0.40-BL-EP 1 Texas Instruments BQ27441DRZR-G1B
37 CH340K U6 ESOP-10_L4.9-W3.9-P1.00-LS6.2-BL-EP 1 WCH(Jiangsu Qin Heng) CH340K
38 ESP32-WROOM-32U/UE U7 WIFIM-32UE-SMD_38P-L19.2-W18.0-P1.27 1 Espressif Systems ESP32-WROOM-32UE(4MB)
39 DS3231MZ+ U8 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1 MAXIM DS3231MZ+


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