Hardware tips: Difference between revisions
(→VFO) |
|||
| (2 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
=Quadrature counter= | |||
* https://www.allaboutcircuits.com/industry-articles/designing-quadrature-encoder-counter-with-spi-bus/ | |||
=Frequency counting= | =Frequency counting= | ||
* '''RF''' https://github.com/swharden/RasPi-Frequency-Counter | * '''RF''' https://github.com/swharden/RasPi-Frequency-Counter | ||
* https://blog.adafruit.com/2021/04/28/a-low-cost-100mhz-frequency-meter-technoblogy-microchipmakes/ | * https://blog.adafruit.com/2021/04/28/a-low-cost-100mhz-frequency-meter-technoblogy-microchipmakes/ | ||
* '''pyhon''' https://atman-iot.com/blog/raspberry-pi-benchmark/ | * '''pyhon''' https://atman-iot.com/blog/raspberry-pi-benchmark/ | ||
* IC counters https://www.ti.com/lit/ds/symlink/sn74lv8154.pdf | |||
==ATTiny frequency counter== | ==ATTiny frequency counter== | ||
| Line 12: | Line 16: | ||
==pi frequency counting== | ==pi frequency counting== | ||
* http://abyz.me.uk/rpi/pigpio/index.html | * http://abyz.me.uk/rpi/pigpio/index.html | ||
=Clock Calendar= | |||
* https://www.mouser.com/datasheet/2/302/PCF8593-1127704.pdf | |||
=pi GPIO Performance= | =pi GPIO Performance= | ||
Latest revision as of 08:46, 20 May 2023
Quadrature counter
Frequency counting
- RF https://github.com/swharden/RasPi-Frequency-Counter
- https://blog.adafruit.com/2021/04/28/a-low-cost-100mhz-frequency-meter-technoblogy-microchipmakes/
- pyhon https://atman-iot.com/blog/raspberry-pi-benchmark/
- IC counters https://www.ti.com/lit/ds/symlink/sn74lv8154.pdf
ATTiny frequency counter
pico frequency counting
- https://github.com/phoreglad/pico-MP-modules/tree/main/PWMCounter
- https://github.com/dpwe/FreqCountRP2