Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &

Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &
Key item features Ultimate Security: Generates a private key that remains on the card, safeguarding crypto and NFTs from hackers with EAL6+ certification and audited firmware. Versatile Compatibility: Manages over 13,000 tokens across 70+ blockchains, supporting DeFi, NFTs, and DeEx without wires, Bluetooth, or USB. Effortless Operation: Utilizes NFC for secure transactions via a mobile device and the Tangem app, enabling buying and selling crypto with various payment methods. Smart Backup: Features a second Tangem Wallet as a backup, eliminating the need for paper, pictures, or seed phrases for recovery. Durable Design: Boasts IP68 protection against environmental conditions, ensuring longevity and robust physical security. Comprehensive Support: Compatible with Bitcoin, Ethereum, Solana, XRP, USDT, and over 6,000 cryptocurrencies, integrating with dApps and WalletConnect.

LBANK

LBANK

Help Troubleshooting SeedSigner Setup – No LCD Display

I’m working on setting up a shared SeedSigner for family and friends in Iran and could use some help troubleshooting an issue.

Background:

  • Built a SeedSigner from scratch using a Raspberry Pi 0 2W and followed the official documentation.
  • Sourcing parts was a challenge—I had to travel nearly 1,000 km to find a Waveshare LCD, and the seller charged double the market price due to scarcity. (Side note: If you’re in Iran, supplying these parts could be a great business opportunity and a way to support the cause!)

The Problem:

When I power on the device:

  • The Raspberry Pi’s green LED flashes (seems to respond to Waveshare button presses).
  • No display appears on the LCD—just blank.

What I’ve Tried:

  1. Initially suspected the 4GB SD card was too small, so I switched to a 64GB card—no change.
  2. A friend suggested modifying the config file in the latest release, but I’m skeptical since the official docs don’t mention this.
  3. Now wondering if the Waveshare LCD might be faulty, but I’m not sure how to test it.

Questions:

  • Has anyone encountered this issue before? Any fixes?
  • Is there a way to verify if the LCD is working independently?
  • Could it be a power issue, or is there a specific config tweak I’m missing?

Any guidance would be greatly appreciated! Thanks in advance.



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