Here are a few notes on working with the uber-cheap ESP-01 WiFi microcontroller module with Ubuntu.
This gadget steps up the game from leaving a light on at home when you’re out. Place it near a window to make it look like somebody’s at home watching TV.
For fun I made a dedicated geocache toy from an Arduino, GPS receiver and electronic compass modules and neopixels (RGB LEDs).
DigiSpark is one of the cutest Arduino-related widgets around. It’s about the size of a postage stamp, plugs straight into your USB port and will probably cover most of your microcontroller project needs. The problem is that it doesn’t seem to play nice, out-of-the-box with 64-bit Ubuntu Linux.
This is just a quick note to help those who might have trouble interpreting the instructions from Rigol for their awesome DP832 Programmable Power Supply Unit in order to get a ramp voltage.