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Results tagged with arduino-uno
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user 95573
The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.
2
votes
Accepted
Why doesn't this code for an 8x8 LED matrix work properly?
As found out during the discussion,
the display must be cleaned before drawing any new row. And since the clear() calling was at the beginning of the Draw_point() and this function was not used in the …
- 149
1
vote
2
answers
230
views
Why doesn't this code for an 8x8 LED matrix work properly?
There's an Arduino Uno (Keyestudio KS0078) and a 788BS 8x8 LED matrix.
I built the circuit as on the image and ran this program:
#define MY_PERIOD 200
int displayColumn = 0;
uint32_t tmr1;
unsigned …
- 149
1
vote
1
answer
70
views
Bad symbols in the serial monitor when connected via USB 3.0
I tested DHT11 + Arduino Uno with a very basic example sketch.
The Arduino board was connected to USB 3.0 and sometimes I saw incorrect symbols in the serial monitor, e. g. "Humidit?: _7%" instead of …
- 149