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Questions tagged [attiny85]

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An Atmel 8-bit AVR microcontroller.

140 questions
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1 answer
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I run into an issue with querying a uint32_t with an atmega328p master from an attiny85 master. I have put both codes below. I did run the equivalent code for just sending a uint8_t and all works ...
Noel's user avatar
  • 163
0 votes
1 answer
86 views

I have a custom ATTiny85 PCB with LEDs connected to GPIOs (PB0-4) through current-limiting resistors. All ports fade LEDs smoothly except PB2, which only switches on/off with no intermediate states. ...
Sean's user avatar
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1 vote
1 answer
160 views

I am using an ATTiny88 to drive a PWM device. First of all, digging through the literature, it's hard to tell what the differences between the ATTiny85 and ATTiny88 are, and the vast majority of ...
LesRhorer's user avatar
  • 113
1 vote
2 answers
4k views

I recently purchase a ATtiny85 from Ebay as I wanted to make a DIY volume controller for my computer, but its become apparent that's its more difficult than its supposed to be programming this board, ...
M0n5terBunny's user avatar
  • 13
-1 votes
2 answers
276 views

I tried to make a project with a Nano as a head which was based on a V-USB-like library EasyHID. For unknown reasons this try was unsuccessfull and I couldn't make the Nano run correctly. It's normal: ...
Mik's user avatar
  • 149
2 votes
2 answers
852 views

Expected Behavior: I am attempting to use && or nested if statements to achieve the effect of two switches being required to close prior to an LED light (i.e., flip both switches), the LED ...
jmarywien's user avatar
  • 51
2 votes
0 answers
118 views

I'm using the OneWire library to try and read temperatures from a MAX31888 sensor using this Arduino program: #include <SoftwareSerial.h> #include <OneWire.h> #define RX PB4 #define TX ...
Boyfinn's user avatar
  • 245
3 votes
1 answer
398 views

I'm working on a low-power energy harvesting project, where I'm considering using an ATtiny85 to perform some minor tasks. The ATtiny is put in Power Down mode most of the time and does not consume ...
hmf's user avatar
  • 31
1 vote
2 answers
1k views

I have been tearing my hair out on and off for two weeks trying to figure out pin definitions for the ATTiny85 in PlatformIO. My wiring is basically this: My sketch: #include <Arduino.h> #...
tmountjr's user avatar
  • 113
1 vote
1 answer
495 views

Hello there🖐 I am trying to install Digistump library to support ATTiny85 by digispark. But I am encountering a problem when trying to install Digistump AVR boards after adding an additional board ...
Arun Jothi's user avatar
  • 11
-1 votes
1 answer
725 views

I want to use the reset pin of the attiny85 as an analog pin to read the battery voltage, to be used as low level battery indicator. So there is a lipo battery that will always be connected to this ...
Ahmed Mohamed Hassan's user avatar
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1 vote
1 answer
277 views

I have two UV leds, one Vf 3.3V @ 150 mA and the second one Vf 5V @ 150 mA. I need a circuit to make them fade in and out alternatively, i.e., as one goes dimmer the other goes brighter and vice versa....
Rodrigo's user avatar
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1 vote
0 answers
189 views

I'm trying to make a hc_06 Bluetooth controller work on the attiny85-20pu. In the end, I want to control a stepper motor through Bluetooth. But for now to keep it simple I'm searching for a working ...
Sudras Elagor's user avatar
  • 11
1 vote
0 answers
229 views

Totally newbie here. I need to burn 50 blank Attiny13 chips with the following code: https://github.com/mstratman/relay-bypass/blob/main/relay-bypass/relay-bypass.ino AFAIK the code can be used by ...
JohnMayland22's user avatar
  • 11
2 votes
1 answer
444 views

I have recently created a sketch for an ATTiny85. My project consists of: 1x ATTiny85 IC only 1x 433MHz RF module => using data pin 2 2x input digital pins => using pin 3 and pin 4 Running at ...
Jonas's user avatar
  • 141

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