Merge branch 'master' into printf
This commit is contained in:
commit
ba835b941b
6
.github/deploy_wiki.sh
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6
.github/deploy_wiki.sh
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@ -63,6 +63,12 @@ if [ ! -r "$tmp_dir/Home.md" ]; then
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rsync -q -a "$GITHUB_WORKSPACE/README.md" "$tmp_dir/Home.md"
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fi
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debug "Rewriting images path to absolute"
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(
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cd "$tmp_dir" || exit 1
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find . -type f -exec sed -Ei 's@([ (])([^( ]+)(\/wiki_static\/.+?\.(png|jpe?g|svg)[ \)])@\1https://github.com/Flipper-Zero/flipperzero-firmware-community/raw/master\3@' {} \;
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)
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debug "Committing and pushing changes"
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(
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cd "$tmp_dir" || exit 1
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.github/workflows/publish_wiki.yml
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.github/workflows/publish_wiki.yml
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@ -4,6 +4,8 @@ name: Publish the wiki
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on:
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push:
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branches: [ master ]
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paths:
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- 'wiki/**'
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jobs:
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.gitignore
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.gitignore
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.idea/
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target_lo/build/
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target_*/build/
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bindings/
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bindings/
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# Visual Studio Code
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.vscode/
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@ -1,22 +1,115 @@
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The NFC standard (ISO-14443) operates at 13.56MHz. We are going to use the ST25R3916 chip, the same chip as used in the HydraNFC project.
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# NFC
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Supported cards:
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## Card detector
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* ISO-14443 tag (mifare?) reading & writing & emulation
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* Emulation — Mifare Classic & Ultralight
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![](./../../wiki_static/NFC/nfc-card-detector.png)
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Card type is often unknown. Card detector runs tests against the unknown card to determine it's type. These tests are not 100% accurate, but they help to start exploring. If the test finished successfully, it can recommend to run a suitable application for the card type.
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### Card detector routine:
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1. Check if card `ISO-14443` `A` or `B` or `FeliCa`
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2. Check the 6 byte of `SAK` to determine if `ISO-14443-4` compliant
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3. Match combination of UID, SAK, ATQA, ATS, ATR from database
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4. Try to authenticate as Mifare, EMV, etc..
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5. Return founded type and suggest suitable application or return error
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## Reader detector
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![](./../../wiki_static/NFC/nfc-wall-reader.png)
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Wall readers usually looks the same, but may accept various types type of cards. With reader detector feature we can emulate dummy card on Flipper and sniff commands that reader send to card.
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### Reader detector
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1. Silently read WUPA (0x52) or REQA (0x26) without triggering SELECT on reader
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2. Emulate dummy card
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2.1 Answer on ATQA
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2.2 Answer on SELECT
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2.3 ...
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3. Consistently emulate popular cards before valid authentication from reader found
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## Reader mode
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* Mifare classic reader _How to select dictionary?_
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* Brute force
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* Save dump
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* Write dump to SD-card
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* Mifare Ultralight reader
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* Save dump
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* Write dump?
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* EMV reader
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* Simple UID reader
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## Write mode
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## Write/Emulate mode
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Saved dumps stored on SD-card and accessible from `Saved dumps` menu. All saved dumps can be emulated or written to card if possible. User can view dump info and choose the action:
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* Emulate
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* Write
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* Edit? _(Editing big dumps can be can be difficult)_
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# USB NFC Reader [Not implemented]
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<img width="800" src="./../../wiki_static/NFC/usb-nfc-reader.png" />
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There are many use cases that impossible to run directly on Flipper Zero. Most of these cases require powerful CPU for cryptographic attacks:
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- Mifare classic attacks: `mfoc` (Nested), `mfcuk` (Dark Side)
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- Mifare Plus attack: Hard Nested
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We can use Flipper Zero as a regular USB NFC adapter along with `LibNFC` library, so all existing software will work out of the box without any modifications. This mode must be run from menu `NFC -> USB NFC adapter`. In this mode all commands from PC should be forwarded directly to NFC chip `ST25R3916` via USB serial interface.
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# Schematic
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![](./../../wiki_static/NFC/ST25R3916-schematic.png)
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## Emulate mode
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# Menu
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![](./../../wiki_static/NFC/nfc-ui.png)
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<!--- Menu structure -->
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# NFC
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# UI
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## Detect card
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### NFC
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* Reader
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* Emaulte
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- Activating RF field and wait for card.
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Run tests when card found.
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- Found match
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- Mifare Classic found.
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Run Mifare reader?
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- No found
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- Cannot detect card type
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## Reader detector
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- Passive listen for WUPA/REQA-B
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- Commands live stream
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0x26
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0x26
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0x26
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- Start active emulating
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- .
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- Mifare reader found
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- .
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- EMV reader found
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## Read card
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- Mifare Classic
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- Mifare Ultralight
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- EMV get PAN
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- what more?
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## Saved dumps
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- mfc_a6b804bf
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- home
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- mfu_04bfac72
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- emv_paywave_1007
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## USB NFC Reader
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- Activates instantly.
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No more display updates
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<!--- Menu structure end -->
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@ -0,0 +1,36 @@
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# Hardware
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## External GPIO Pinout
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[](./../../wiki_static/hardware/gpio-pinout.jpeg)
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| Pin | | | | | |
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|-|-|-|-|-|-|
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| PC0 | GPIO | LPUART RX | ADC1/2/3-1 | I²C SCL | |
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| PC1 | GPIO | LPUART TX | ADC1/2/3-2 | I²C SDA | |
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| PA4 | GPIO | DAC1-1 | ADC1/2-9 | SPI1 NSS | |
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| PA5 | GPIO | DAC1-2 | ADC1/2-10 | SPI1 SCK | TIM2/8 OUT |
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| PA6 | GPIO | | ADC1/2-11 | SPI1 MISO | TIM3/16 OUT |
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| PA7 | GPIO | | ADC1/2-12 | SPI1 MOSI | TIM1/2/8/17 OUT |
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| PB2 | GPIO | | | | RTC Alarm |
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| PB12 | GPIO | | | | |
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| PA9 | GPIO | USART1 TX | | | |
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| PA10 | GPIO | USART1 RX | | | |
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| PA13 | GPIO | SWDIO | | | |
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| PA14 | GPIO | SWCLK | | | |
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| PD2 | GPIO | UART5 RX | | | |
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## Dev Kit F2B0C1.1
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[](./../../wiki_static/hardware/dev-kit-f2b0c1.1.jpeg)
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## [Hardware Specification](https://github.com/Flipper-Zero/flipperzero-firmware-community/wiki/Hardware-specification)
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## Board releases
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[F1B1C0.0](https://github.com/Flipper-Zero/flipperzero-firmware-community/wiki/Hardware-version-F1B1C0.0)
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[F2B0C1.1](https://github.com/Flipper-Zero/flipperzero-firmware-community/wiki/Hardware-version-F2B0C1.1)
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wiki_static/NFC/ST25R3916-schematic.png
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wiki_static/NFC/ST25R3916-schematic.png
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@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:cf3b36cb3db6c3552d241e7639f3a2b6858979f00ad8fda25bf7bfaa65bf317d
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size 537771
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wiki_static/NFC/nfc-card-detector.png
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wiki_static/NFC/nfc-card-detector.png
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:2af09e099308abf2d61ea0d3dc4326d30a2134c9b87b4aeb4678eadac96d17b5
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size 46060
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wiki_static/NFC/nfc-ui.png
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wiki_static/NFC/nfc-ui.png
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@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:35627515ecf8e96d5d28b5469fdf569b993981cda1240b921ca62f997e6ec099
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size 338558
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3
wiki_static/NFC/nfc-wall-reader.png
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wiki_static/NFC/nfc-wall-reader.png
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@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:8764367c15252a9ff37514451af086a6c4d0adca7ec5b423643b730151388d53
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size 88079
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3
wiki_static/NFC/usb-nfc-reader.png
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wiki_static/NFC/usb-nfc-reader.png
Normal file
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version https://git-lfs.github.com/spec/v1
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oid sha256:370ec74cbd8e37a5760ed03f19cf31bd135f021a88c4669a68f0705e7ecf0902
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size 95362
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3
wiki_static/hardware/dev-kit-f2b0c1.1.jpeg
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3
wiki_static/hardware/dev-kit-f2b0c1.1.jpeg
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:9b8453a08fb9dc7510e887c749d28a8aadac7b96db91ec95efe0581f434650fb
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size 369440
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3
wiki_static/hardware/gpio-pinout.jpeg
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wiki_static/hardware/gpio-pinout.jpeg
Normal file
@ -0,0 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:931cc6c1d5206745ee9dff78cb92b35fd8659cb33d19fcb0a5ac440e6bed6a13
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size 134904
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Loading…
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Block a user