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A l McDivitt – the Blind Guy Tech Long time ago in a far away land, I found a rock and carved out a computer…. OK maybe not, but when … Read More

ESP32 NTP Local AM-PM Time Display… Just the other day I was asked for a way to display local time (am/pm) on an OLED… It’s quite easy to achieve using … Read More

WiFi Mini ESP8266 RF 315 MHz Decoder, using the RC-switch library… … sometimes it’s good to see thing’s as built and working examples. Yes, that’s right the board is a … Read More

M5StickC Make a Grove Relay Cable I know you can buy the plugin Mini 3A Relay Unit, but I happened to havea relay board, a spare Grove cable and some … Read More

M5Stack Port A symbols Explained Saw something like this recently on social media,  thought I would expand on that post just a little bit.  Image of my M5Stack Gray core, … Read More

ESP8266 IO Pins Handy Reference… there are heaps of fantastic tutorials available on the web showing the pin outs reference and giving the usage on each, down to the most exact … Read More

Thonny IDE Python GPIOmock.py Handy tool for testing Raspberry Pi Code using GPIO pins when you don’t have a Pie around. I use this rather old script by Grant Winney … Read More