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STD Stratos v2 board (SEEED XIAO DEVBOARD)
License: CC BY-NC-SA 3.0
Mode: Editors' pick
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Update time：
2024-05-17 17:16:06
Creation time：
2024-04-23 18:15:08
Description
Basic development board for the Seeed Xiao board. Has onboard 3V3 ~1A reguation (ams1117), bidiriectional 3v3 to 5v logic level shifter on all I/O (using bss138 mosfet, similar to Sparkfun/adafruit/NXP app note), and onboard microSD card slot. Must be powered from a 5V regulated source, but the Xiao can be programmed while powered.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | JLCPCB Part Class | |
|---|---|---|---|---|---|---|
| 1 | 10u | C1,C2,C3 | C0805 | 3 | C_0805_US | |
| 2 | 5V//GND | CN1 | CONN-TH_2P-P3.50_930-DS-02 | 1 | 930-DS/02 | |
| 3 | SS14 | D1 | SMA_L4.2-W2.6-LS5.3-RD | 1 | SS14 | |
| 4 | H5VH16U | D2 | DFN1610-2L_L1.6-W1.0-P1.10-RD | 1 | H5VH16U | |
| 5 | HDR-F-2.54_1x16 | HV,LV | HDR-F-2.54_1X16 | 2 | HDR-F-2.54_1x16 | |
| 6 | 4k7 | R1 | R0805 | 1 | R_0805_US | |
| 7 | 100k | R2 | R0805 | 1 | R_0805_US | |
| 8 | 1 | R3,R4 | R0805 | 2 | R_0805_US | |
| 9 | TF-013 | SD_CARD | TF-SMD_TF-013 | 1 | TF-013 | |
| 10 | BSS138 | SF1,SF2,SF3,SF4,SF5,SF6,SF7,SF8,SF9,SF10,SF11 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 11 | BSS138_C7420339 | |
| 11 | 10k | SR1,SR2,SR3,SR4,SR5,SR6,SR7,SR8,SR9,SR10,SR11,SR12,SR13,SR14,SR15,SR16,SR17,SR18,SR19,SR20,SR21,SR22 | R0805 | 22 | R_0805_US | |
| 12 | XIAO-THRUHOLE | U1 | XIAO-GENERIC-THRUHOLE-MODULE14P-2.54-21X17.8MM | 1 | XIAO-THRUHOLE | |
| 13 | AMS1117-3.3 | U2 | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | 1 | AMS1117-3.3 | 1476261164 |
| 14 | DS18B20 | U3 | TO-92-3_L4.9-W3.7-P1.27-L | 1 | DS18B20 |
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