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as6500

Reading data from the AS6500 TDC chip with python (RPi)

berrygpsimu

Positioning using the BerryGPS-IMU v3

bme280_sensor

BME280 sensor with Raspberry Pi Pico and OLED display.

gnss-tts

Time interval counter based on TI TDC7200 chip with GPS modules for precise time standard comparison.

home

imu

Fusing GPS & IMU readings with Kalman filter

inky_co2

CO2 sensor (SCD41) with Inky ePaper display attached to Raspberry Pi Pico W

lorawan

Component to create a node and integrate with other services

metrology-of-time

Scripts for processing and visualising measured data of time and frequency comparison from BIPM.

pico-gc9a01

RPi Pico C library for interfacing round LCD display based on GC9A01 chip.

pico-tdc7200

RPi Pico C library for interfacing TDC7200 chip via SPI.

picodiv

Raspberry Pi Pico frequency divider

picodiv-enclosure

Raspberry Pi Pico frequency divider in an 50x50x27mm Fisher enclosure.

picopet

Simple time interval counter.

pragopi

Pragotron watch driver with Raspberry Pi

rpi-obd

ODBII & GPS logger using Raspberry Pi and bluetooth

s-jtsk

Odhad parametrov transformačnej matice pre metódu Position Vector.

sr620

Scripts for taking measurements with Stanford Research Systems SR620 Universal Time Interval Counter.

stepperwatch

Wall watch with 2 28BYJ-48 stepper motors.

tdc7200

Thinkering with TI TDC7200 chip, reading and connecting to Raspberry PI (RPi).

u-blox

Python library and scripts for communicating with u-blox CAM8 and ZED9 module. Based on Sparkfun Qwiic_Ublox_Gps_Py library.

ublox_lea_gnssdo

GNSS disciplined oscillator based on Ublox LEA module (like LEA-M8T), 5V OCXO and Raspberry Pi Stamp.

ublox_rcb_adapter

Adapter board for Ublox GNSS receiver board (RCB-xxx) to Raspberry Pi Zero or Pico.