int D3 = 0; void setup() {// put your setup code here, to run once:} void loop() {// put your main code here, to run repeatedly:D3 = D3 + 1;}

That type of error usually indicates that you forgot to declare the variable D3. A variable must be defined and given a value before you can use it in...

It sounds like you want to know how to break into an RFID-controlled apartment building. --->Sean

Just bought this. Give it a try. --->Sean

Sorry if this question is self-evident, but is the LiquidCrystal_i2c.h included in the library? --->Sean

That would depend on what you've got loaded onto the Pico. If you were using Circuit Python, you'd go HERE. If Micropython, then HERE. The Raspberry P...

So instead of including the entire library, it would be better to just import the parts of the library you're actually using? --->Sean

Famous last words. 😉 Welcome, Scott! --->Sean

Here are some desktop robots that you can get some ideas for what you want your own to do. Some of these are pretty cool. --->Sean

So I finally finished the DIY expansion board. I used a protoboard that matches a breadboard to make it easier to create and I also used right angle m...

Before work this morning, I painted the female headers that face the outside white in prep of writing the pin numbers on them later. I hope that will ...

@dronebot-workshop Thanks Bill. That is exactly what I have at home, I'm just confused in my noobness as to what is a stripboard, perfboard, protobo...

Today's experiments were done using the Raspberry Pi Pico with the Pico Explorer that arrived the other day. I haven't done much with the display yet,...