Companion Sheild
The entry level shield is labelled The Companion Shield. This is a PCB laid out in the pattern of a solderless breadboard. The holes are single sided, which means that components can easily be removed using solder mop braid, or a solder vacuum tool, if a mistake is made, or components need to be re-used.
The (PBP3) Companion Shield Manual iCan be downloaded from here
See the Companion Shield in our on-line shop
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Re: I2C LCD 16x2 Pic16f628 Code
There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
richard - 4th January 2026, 03:48there are at least two differently wired versions also.
there...