This page (revision-21) was last changed on 2021-11-21 04:33 by Murray Altheim

This page was created on 2019-12-26 08:51 by Murray Altheim

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Version Date Modified Size Author Changes ... Change note
21 2021-11-21 04:33 6 KB Murray Altheim to previous

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I 2 C
I2C

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__I2C__ is a [hardware] bus used across many microprocessors and microcontrollers, including the [Raspberry Pi].
It permits sensors and other IO devices to be connected to the controller (and/or each other) with only four wires (or really only ''two'' if you don't count Vcc and ground):
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# Vcc (3-6v)
# SDA
# SCL
# Gnd (Ground)
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Some well known I2C products.
The Pimoroni "Breakout Garden" set of I2C sensors also includes an "{{{INT}}}" (interrupt) pin, ''AKA'' "{{{GCLK}}}" or "{{{GPIO4}}}".
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{{{
Brand Description 7 bit address Range
1 Pimoroni LTR-559 Light & Proximity 0x23
1 Pimoroni VL53L1X Time of Flight (ToF) 0x29 40mm-4m
1 Adafruit VL6180X Time of Flight Distance Sensor 0x29 5-100mm
1 Pimoroni 11x7 LED Matrix #1 0x75
1 Pimoroni 11x7 LED Matrix #2 0x77
1 Pimoroni 5x5 RGB Matrix 0x74 / 0x77 (77 will be in conflict with 11x7 #2)
1 Pimoroni ADS1015 +/-24V ADC 3 Channel 0x48 / 0x49
2 Adafruit ADS1015 12 bit ADC 4 Channel w Prog Gain 0x48 - 0x4B (jumpers)
1 PiBorg Thunderborg 0x10 / 0x11
1 PiBorg Ultraborg 0x36
1 Pimoroni ICM20948 9-DOF Motion Sensor 0x68 / 0x69
Some well known I2C products:
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w Adafruit BNO055 Absolute Orientation Sensor 0x28 / 0x29
Adafruit VCNL4010 Proximity Sensor 0x13
Adafruit LSM9DS1 Accel Gyro Mag Temp 9-DOF 0x1C / 0x1E Accel, 0x6A / 0x6B for Gyro
Adafruit VL53L0X Time of Flight Distance Sensor 0x29 50-1200mm (2m on long range)
|| Count || Brand || Description || 7 bit address || Notes
| 1 | Pimoroni | LTR-559 Light & Proximity | 0x23 |
| 1 | Pimoroni | VL53L1X Time of Flight (ToF) | 0x29 | range 40mm-4m
| 1 | Adafruit | VL6180X Time of Flight Distance Sensor | 0x29 | range 5-100mm
| 1 | Pimoroni | 11x7 LED Matrix #1 | 0x75 |
| 1 | Pimoroni | 11x7 LED Matrix #2 | 0x77 |
| 1 | Pimoroni | 5x5 RGB Matrix | 0x74 / 0x77 | 77 will be in conflict with 11x7 #2
| 1 | Pimoroni | ADS1015 +/-24V ADC 3 Channel | 0x48 / 0x49 |
| 2 | Adafruit | ADS1015 12 bit ADC 4 Channel w Prog Gain | 0x48 - 0x4B (jumpers) |
| 1 | PiBorg | Thunderborg | 0x10 / 0x11 |
| 1 | PiBorg | Ultraborg | 0x36 |
| 1 | Pimoroni | ICM20948 9-DOF Motion Sensor | 0x68 / 0x69 |
| 1 | Adafruit | BNO055 Absolute Orientation Sensor | 0x28 / 0x29 |
| 0 | Adafruit | VCNL4010 Proximity Sensor | 0x13 |
| 0 | Adafruit | LSM9DS1 Accel Gyro Mag Temp 9-DOF | 0x1C / 0x1E Accel, 0x6A / 0x6B for Gyro |
| 0 | Adafruit | VL53L0X Time of Flight Distance Sensor | 0x29 | range 50-1200mm (2m on long range)
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"Count" is how many [Murray] has in his laboratory.
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}}}
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[{Tag Hardware}]
This page (revision-21) was last changed on 2021-11-21 04:33 by Murray AltheimTop