// TRANSMISSIONS
THE TINY LOG
Build logs, teardowns, firmware notes and the occasional detour. Written by the people who solder the boards.

Charging TinyCircuits Lithium Ion Polymer Batteries
This tutorial will teach you the options for charging TinyCircuits Lithium Ion Polymer rechargeable batteries. You can use one ...

How to use the SAMD21 built-in Real-Time Clock with TinyCircuits
The Atmel SAMD21 is an amazing processor with a lot of built in functionality that previous processors, like the popular ATmeg...

3D IMU 9-Axis and Accelerometer Visualizer
Want to see exactly what your 3-axis accelerometer or 9-axis IMU sensor data means? This tutorial will show you how to display ...

Arduino Star Tracker
Track stars with a given date, time, GPS location, and the star's celestial coordinates.

Smart Hand Washing
Make a smart hand washing timer using Wirelings.