Serial port monitor with 2×20 LCD and 4K text buffer

Kerry uses a DIY serial display to show debugging data sent from an Arduino’s UART. Sometimes the data comes too fast to read, so he added a 4K buffer and controls to scroll thorough the history. …if your application generates a lot of messages, it would still be hard to spot the relevant information as […]

App note: Building a stable DAC external reference circuit

Having a stable external reference is important in digital-to-analog converter design and this app note helps. For a DAC to function properly it must have a stable reference to create a precise output signal. Unfortunately because it is a simple concept, proper reference design is usually overlooked. In this app note from TI a simple force and […]

Gadget Factory stocks buffer wing for Logic Sniffer

The Gadget Factory is now stocking a 16bit buffer wing for the Logic Sniffer for $15. This add-on board gives the Logic Sniffer an additional 16 buffered, 5volt tolerant input channels. You can order the Logic Sniffer at Seeed Studio for $45, including worldwide shipping. Don’t forget that Seeed now has probe cables for $6 […]