2 layers66 × 37.6 mm
Controller
marenz2569/led-controller-ethernet
led-controller-ethernet is the hardware to the avr-ethernet-licht firmware https://github.com/marenz2569/avr-ethernet-licht
35 partsLGPL-2.1
2 layers45.9 × 14.2 mm
Hardware password manager
- Size
- 45.9 × 14.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 35
- Nets
- 49
- Pads
- 137
- Tracks, vias
- 469, 45
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 14 Jul 2016
- Updated
- 21 May 2020
Overview
Test is an open-source printed circuit board by konachan700, from the konachan700/Mew repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 45.9 × 14.2 mm with 35 parts on 49 nets, routed with 469 tracks and 45 vias.
It is built around the STM32F103C8T6, ATSHA204A and TLV70033DDC. Its parts include 10 resistors, 5 capacitors, 5 switches, 4 connectors and 3 ICs. It belongs with the STM32 boards of this library.
Main components
3
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
ATSHA204A
SOIC 8SOIC8 New Arrivals ROHSMicrochip TechnologyUncategorised
TLV70033DDC
SOT-23-5-40℃~+125℃@(Tj) 1 200mA 3.3V 31uA 48uVrms 5.5V 68dB Fixed Over Current Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdMew - hardware password manager
• What is it?
It's a small USB device to hold your passwords, private keys and cryptowallets.
- Easy to use.
- Fully open sourced.
- No drivers or propietary software required.
- Highly protected for critical data.
• How does it work?
Connect MeW to a PC or mobile device. Pair MeW with your smartphone via bluetooth. Install the MeW HPM app from Google Play or Appstore. Use it.
Demo video will be here a bit later :3
12 passwords, those you use more often, can be entered directly on the device. Other passwords could be entered by MeW HPM app.
Demo video will be here a bit later :3
You can exchange public keys with your friends directly via bluetooth.
Technically, it is a HID-keyboard.
Passwords are not stored in the device, all passwords are generated on-the-fly depending on the entered PIN-code and internal master key. Nobody and nothing can steal your passwords database, because there is none. If anybody steals the device, he can't bruteforce it - for each PIN-code the device generate different passwords, and, if you set this option, fake logins will be shown.
Your private keys and wallets, that are stored on the device, are encrypted with AES-256. Encryption key is generated from master key and pin-code on-the-fly. Master key has been stored internally and can't be extracted, of course, if you set the maximum security level.
• I lost my MeW. How can I get my passwords back?
When you are starting your MeW for the first time with normal security level, the device key will shown. Save the device key at a secure place. MeW has a cloud backup for encrypted master keys. For recovery of your passwords on a new device you have to enter a device key in the application, and enter you PIN-code in MeW.
In the high security mode cloud backup will disabled, because in this mode the encrypted master key i can't be extracted from the device. If you lose your MeW or forgot a PIN-code, you loose all you passwords.
• Android application screenshots
• Device photos
Parts
35| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | SW_PUSH | Buttons_Switches_SMD:SW_SPST_EVQPE1 | SW1, SW2, SW3, SW4, SW5 |
| 4 | 1k5 | Resistors_SMD:R_0603_HandSoldering | R8, R10, R11, R12 |
| 2 | 1k2 | Resistors_SMD:R_0603_HandSoldering | R4, R5 |
| 2 | 22 | Resistors_SMD:R_0603_HandSoldering | R6, R7 |
| 2 | 22 | Capacitors_SMD:C_0603_HandSoldering | C1, C2 |
| 1 | 0.1mf | Capacitors_SMD:C_0603_HandSoldering | C5 |
| 1 | 1 | Connectors:CONN_2.54mm_1x1 | P2 |
| 1 | 100nf | Capacitors_SMD:C_0603_HandSoldering | C3 |
| 1 | 1k | Resistors_SMD:R_0603_HandSoldering | R9 |
| 1 | 1mf | Capacitors_SMD:C_0603_HandSoldering | C4 |
| 1 | 2 | Connectors:CONN_2.54mm_1x1 | P4 |
| 1 | 3 | Connectors:CONN_2.54mm_1x1 | P3 |
| 1 | 330 | Resistors_SMD:R_0603_HandSoldering | R13 |
| 1 | ATSHA204A | user:SO-8_EP1 | IC1 |
| 1 | Crystal | Crystals:Crystal_SMD_5032_2Pads | Y1 |
| 1 | LED_RGB_0505 | user:LED_5050_RGB | D2 |
| 1 | STM32F103C8 | Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm | U1 |
| 1 | TLV70033DDC | SMD:SOT-23-5 | U2 |
| 1 | USB-MICRO-B | user:USB_MICRO_B_SMD | CON1 |
| 1 | YELLOW | smd:SM0805 | D1 |
The 30 most common of 35 parts.
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Questions
How big is the Test PCB?
It measures 45.9 × 14.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Test use?
35 parts, built around the STM32F103C8T6, ATSHA204A and TLV70033DDC. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Test KiCad files?
From the konachan700/Mew repository on GitHub, at the commit this page was made from: the board is hardware/old-mew-one/kiCad/__test.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Test design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).