Questions tagged [attiny85]
ATtiny85 is small, low-power 8-bit, 8-pin RISC microcontroller from Microchip.
149 questions
0 votes
1 answer
75 views
ESP32 to ATtiny85 communication on large grid PCB
I want to have a grid of faders/sensors/LEDs/buttons (with ATtiny85s) that I can move around, and that all talk to an ESP that sends data over the network. The idea is to have a PCB with traces for 4 ...
0 votes
0 answers
45 views
MPU6500 accelerometer/gyroscope + ATTINY85 PCB schematic
I'm new to designing PCBs and have wanted to make a tiny accelerometer/gyroscope circuit for ages now. I did some ChatGPT-ing and digging around on the internet to come up with my own PCB which I ...
2 votes
2 answers
2k views
Will a restless MCU survive long enough?
I am using ATtiny85 in a project. Due to some reason I have to permanently connect the VCC to a battery. That is, the VCC pin won't be disconnected ever from the power source. When I would like to ...
0 votes
0 answers
102 views
Arduino PWM controlled voltage regulator with ammeter and voltmeter
[![enter image description here][2]][2] As the title suggests, I am making an Arduino voltage regulator that also reads the voltage of the output it's providing and the amperage of the connected load. ...
0 votes
0 answers
104 views
Control Glade Device with AtTiny85
I am a programmer, without knowledge of electronics and I want to be able to make a control that allows: intervene the power supply in a Glade aromatizing device, so that it is activated only during ...
0 votes
0 answers
390 views
IRLZ44N vs IRFZ44N performance - Driving a 12V DC motor(3 speeds) with 12V or 24V supply voltage using PWM
I am trying to run 3 speeds on a 12V DC motor with either a 12V or 24V battery using PWM. I had a working breadboard prototype based on the schematic attached, with the complete code using IRFZ44N ...
0 votes
0 answers
130 views
How to use nRF24L01 on ATTiny85 and together with serial TX?
I am using ATTiny85 + nRF24L01 to receive radio messages. After connecting nRF24L01 to ATTiny85 I don't have much PINs left, as I use all pins except PB5=RST: ...
0 votes
0 answers
133 views
How to use small photocell to trigger wake up pin for extremely low power consumption
I want to trigger microcontroller wake up event using a photocell that produces voltage when light. I have BPW46 photocell and ATTiny85 in deep sleep, interrupt is configured to be trigered by PB3 pin ...