Newsletter
Tools, deals, and builds worth your time.
Signal & Solder is a weekly newsletter for engineers, makers, and hardware hobbyists. We share the best tools, deals, builds, and resources, without the fluff. Just useful stuff you can actually use.
Past issues
April 21, 2026
Wokwi
A browser-based electronics simulator that actually works for modern MCUs like the ESP32, RP2040, and STM32. It’s perfect for testing firmware logic or UI code before you even touch your breadboard. 🔗 https://wokwi.com/
---
April 20, 2026
GDB Dashboard
A modular, visual interface for GDB that runs entirely in your terminal. It gives you a clear view of registers, assembly, and memory without the overhead of a massive IDE. 🔗 https://github.com/cyrus-and/gdb-dashboard
---