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STD TOTkey

License: GPL 3.0

Mode: Editors' pick

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Update time: 2023-11-17 00:43:05
Creation time: 2023-08-31 21:53:12
Description

A USB key that generates 2FA codes. https://github.com/rivques/TOTKey

Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity JLCPCB Part Class
1 K4-6×6_SMD BOOT,CN,DN,UP KEY-SMD_4P-L6.0-W6.0-P3.90-LS10.0 4 K4-6×6_SMD
2 1u C1,C4 C0402 2 C_0603_US
3 0.1u C2,C3,C5,C6,C7,C8,C9,C10,C11,C12,C18 C0402 11 C_0402_US
4 10u C13,C16 C0402 2 C_0402_US
5 27p C14,C15 C0402 2 C_0402_US
6 0.01u C17 C0402 1 C_0402_US
7 BAT54C,215 D1 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 BAT54C,215 https://lcsc.com/eda_search?q=C37704&%26type=1&ref=editor
8 19-217/BHC-ZL1M2RY/3T LED1,LED2 LED0603-FD_BLUE 2 19-217/BHC-ZL1M2RY/3T https://lcsc.com/eda_search?q=C72041&%26type=1&ref=editor
9 2N7002 Q1 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1 2N7002 https://lcsc.com/eda_search?q=C8545&%26type=1&ref=editor
10 10k R1,R7,R8 R0402 3 R_0402_US
11 1k R2,R3,R9 R0402 3 R_0402_US
12 27Ω R4,R5 R0603 2 0603WAF270JT5E https://lcsc.com/eda_search?q=C25190&%26type=1&ref=editor
13 47Ω R6,R12 R0603 2 0603WAF470JT5E https://lcsc.com/eda_search?q=C23182&%26type=1&ref=editor
14 1M R10,R11 R0402 2 R_0402_US
15 RP2040 U1 LQFN-56_L7.0-W7.0-P0.4-EP 1 RP2040 https://lcsc.com/eda_search?q=C2040&%26type=1&ref=editor
16 W25Q128JVSIQTR U2 SOIC-8_L5.3-W5.3-P1.27-LS8.0-BL 1 W25Q128JVSIQTR https://lcsc.com/eda_search?q=C97521&%26type=1&ref=editor
17 XC6206P332MR U3 SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR 1 XC6206P332MR https://lcsc.com/eda_search?q=C5446&%26type=1&ref=editor
18 RV-8803-C7-32.768KHZ-7PPM-TA105-QA U4 DFN-8_L3.2-W1.5-P0.9-BL 1 RV-8803-C7-32.768KHZ-7PPM-TA105-QA https://lcsc.com/eda_search?q=C5341297&%26type=1&ref=editor
19 917-181A202ED60201 USB1 USB-A-TH_917-181A202ED60201 1 917-181A202ED60201 https://lcsc.com/eda_search?q=C2763084&%26type=1&ref=editor
20 12MHz X1 OSC-SMD_4P-L3.2-W2.5-BL 1 X322512MSB4SI https://lcsc.com/eda_search?q=C9002&%26type=1&ref=editor

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