Today's little project was driving a Nokia 5110 LCD with the Black Pill board. The 5110 phone was introduced in 1998. The display is monochrome and resolution is 84 x 48 pixels. Pretty savage by today's standards. But they're cheap and easy to drive. Good for microcontroller projects.
I had some o...
Ordered and received some W25Q128 chips from Digikey to give the Black Pill another 16MB of flash memory. First I soldered on the decoupling cap. The pads for the it are 0402. The smallest cap I had was a 0603. It fit - barely. Then I soldered on the chip. No problems. SOICs are easy. Here it is sti...
I set up the Black Pill to drive a 1602 LCD with a PC8574T I2C backpack board.
I wrote a little MicroPython code for hardware I2C and... it didn't work. I beat my head against that wall for a long time. In the end, as far as I can find out from lots of online searching and trying a long series of...
After my last post here work got crazy busy and I had no time for electronics for many months. The auto-watering system never went any further (yet). In my business it happens routinely. The past few months I'm finally somewhat caught up for a while and have had some time for futzing around with mic...
Long time since last post. Other hobbies get in the way, and in my tiny house my electronics bench gets buried.
I bought a Wemos D1 Mini with MicroPython as part of a toy order from universal-solder.ca. Universal Solder is a Canadian company, which I like to support. They have a pretty good sele...