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ATtiny1616 Three Buttons Debouncing
Is there any chance of debouncing three buttons using EVSYS and CCL, or would it be easier to add a capacitor to each button? I am not sure if I can somehow check the output of...
Saturday, 12 February 2022 - 22:27
Double precision floating point numbers (64-bit) aritmetic on ATtiny202
I approximated the function by a 7th degree polynomial. How to program addition, multiplication and exponentiation of double precision floating point numbers (64-bit) without the...
Tuesday, 18 January 2022 - 21:52
Reflow Hot Plate Control by ATtiny202
I am going to use PID control for the reflow hot plate, which will be RTC PWM switched by triac. The temperature curve will be stored in FLASH memory (235 bytes). I will measure...
Monday, 3 January 2022 - 22:17
ATtiny202 - How to avoid gap while reading SPI 16 bit data?
I am reading 16 bit temperature data from the MAX6675 Module + K Type Thermocouple Sensor.   I have slightly modified start.atmel.com example SPI program for the ATtiny202 in...
Tuesday, 28 December 2021 - 23:00
ATtiny202 - TCA Count on Event doesn't fire OVF interrupt
  I am trying to measure the external crystal frequency with ATtiny202 by TCA in a time period 1 second generated by RTC but the TCA don't fire the OVF IRQ while counting...
Sunday, 30 May 2021 - 22:52
ATtiny202 - External Oscillator Circuit
I am having troubles with low outside temperatures which influence the stability of the internal 20 MHz oscillator (/24) for synchronous USART timing (1024 BAUD). I can't find any...
Tuesday, 4 May 2021 - 08:56
ATtiny202 - How to start TCB in Single-Shot Mode repeatedly ?
I don't fully understand how to repatedly start TCB in Single-Shot Mode to generate exact pause each 500 ms.   The test program generate 29 us pulses instead of 78.64 ms (1/...
Sunday, 28 March 2021 - 18:50
ATtiny202 - ASM code
I don't fully understand the addressig mode od AVR ATtinyxxx 0-Series. The following dissasembled code shows: r = ~(r ^ 0b10101010); 0x78: LDS R25, 0x00 0x79: CPI R24, 0xF1 0x7A...
Wednesday, 10 March 2021 - 09:24
ATtiny202 - bits doubling
Is there any way how to double bits in the 4 bits nibble in XC8 compiler or AVR ASM ? E.g. from 0b00001110 I need to get 0b11111100. It will help me to encode data (~(x^0b10101010...
Monday, 8 March 2021 - 22:01
ATtiny202 - Oregon Scientific temperature sensor replacement
My THN132N wireless temperature sensor is dead so I have decided to replace it by ATtiny202 with built in temperature measurement and send data to the Oregon Scientific base...
Monday, 15 February 2021 - 08:53
ATtiny202 temperature measurement settings ?
In the ATtiny202-402-DataSheet-DS40001969B is mentioned on the pdf page 416:   29.3.2.6 Temperature Measurement The temperature measurement is based on an on-chip temperature...
Friday, 12 February 2021 - 01:32
ATtiny202 How to create program more readable?
I am stuck on how to make program more readable by separating functional blocks (e.g. USART, RTC, TCB ...) into separate program files (*.c/*.h) and link them to the main program...
Friday, 29 January 2021 - 19:50

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