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4 votes
4 answers
16k views

Is it possible to connect an LED directly to the GPIO of the Pi?

0 votes
0 answers
13 views

Missing light sensor events but hardware seems to see them

0 votes
0 answers
6 views

Diagnosing / Debugging I2C comms on the command line

0 votes
1 answer
298 views

Threading using Python in Raspberry Pi for GPIO inputs

0 votes
0 answers
20 views

Strange behaviour of 433MHz receiver when catching edge events on GPIO

0 votes
0 answers
20 views

Connecting 40+ transmitter coils to Raspberry Pi

0 votes
1 answer
26 views

It is safe to connect the PWM pin of a 4-wire FAN directly to the Raspi PWM output?

0 votes
2 answers
31 views

GPIO input pins high at 3V, and detect when ground is connected when I want it to detect when 3V is connected

1 vote
0 answers
752 views

JavaScript library for the HC-SR04 Ultrasonic sensor

0 votes
1 answer
34 views

GPIO 2 Shut Down Not Working

0 votes
1 answer
185 views

Button.when_activated event is not firing even though Button.is_active is setting correctly

0 votes
1 answer
193 views

Upgraded RPi and lost my functionality using gpio zero

0 votes
4 answers
182 views

Switching a bistable latching Relay directly - Not enough power from GPIO?

2 votes
1 answer
1k views

Problem with 1-Wire devices not showing up on GPIO4

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