Arduino
7
3
3y 18d ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca

If your circuit is behaving weirdly, switching on when you touch a wire or move your hand over the circuit you almost certainly have a floating input. You can solve this problem with a pull-up resistor. Many AVRs have built-in pull-up resistors that you can turn on using code.

In Sketch:

pinMode(2, INPUT_PULLUP);

In BascomAVR:

Config Portb.1 = Input Set Portb.1

There's a great article at SparkFun about Pull-up Resistors.

pull-up isn't only for bootstraps...

1 replies

Qualcomm acquires Arduino

8mon 12d ago by sh.itjust.works/u/cm0002 in arduino@lemmy.ca from www.arduino.cc
2122

Official starter kit or clones?

2y 4mon ago by lemmy.world/u/serpineslair in arduino@lemmy.ca
323

Arduino chrono-thermostat

2y 5mon ago by lemmy.ml/u/pcgaldo in arduino@lemmy.ca from lemmy.ml
004

Replacement controller for Atlas Vista 613 Wheelchair Lift

2y 6mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
1605

When you let the smoke out of your very last Arduino Nano.

2y 6mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
1146

My little ProMini power supply board.

2y 10mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
1407

This is how I take something from a breadboard through prototype to finished product.

2y 10mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
2938

Pro Mini Shield Carrier

2y 10mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
1189

My new Serial starting code

2y 10mon ago by lemmy.film/u/LazaroFilm in arduino@lemmy.ca
4010

Help with WaveShare RP2040 Touch 1.28 IMU

2y 10mon ago by lemmy.film/u/LazaroFilm in arduino@lemmy.ca from lemmy.film
7411

Help with circuit

2y 10mon ago by programming.dev/u/Pizzarules668 in arduino@lemmy.ca
5512

[HAUL] just bought my first electronics parts!

2y 11mon ago by lemmy.ca/u/MyFeetOwnMySoul in arduino@lemmy.ca from lemmy.ca
181313

[Project - ESP8622] Over Engineered, Wifi Enabled and Screen Synced, DotA 2 LED Sign

2y 11mon ago by lemm.ee/u/Hypnotized in arduino@lemmy.ca from lemm.ee
6014

[Project] Flight Control Button Box for Microsoft Flight Simulator

2y 11mon ago by lemm.ee/u/Hypnotized in arduino@lemmy.ca from lemm.ee
241315

ProMini Shield Carrier

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
6016

[Arduino Porn] MEGA2560 Pro Mini

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
6017

[Arduino Porn] Arduino Pro Mini clone.

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
5018

[Arduino Porn] NANO V3

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
9019

[Arduino Porn] A clone UNO.

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
6020

[Arduino Porn] Classic Genuine UNO

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
6021

The new Arduino UNO R4 boards are out!

2y 11mon ago by lemmy.one/u/StorageB in arduino@lemmy.ca from store-usa.arduino.cc
12322

Arduino ProMini Shields (more images in text)

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
12023

ESP8266 Based Weather and Charging Station

2y 11mon ago by lemm.ee/u/Hypnotized in arduino@lemmy.ca from i.imgur.com
9024

Can we talk about solderless breadboards? (More pictures in text.)

2y 11mon ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
8025

Resources for Noobs

2y 11mon ago by lemmy.ca/u/Late_Settler in arduino@lemmy.ca
4126

HOW TO: Hardware debounced tact switch for solderless breadboards.

3y 17d ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
4027

The bottom board in the industrial controller I posted yesterday.

3y 17d ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
5028

This is an Arduino.

3y 18d ago by lemmy.ca/u/MapleEngineer in arduino@lemmy.ca from lemmy.ca
11029