On 6/20/24 08:04, Peter Willard via Coco wrote: > Shouldn't that be AT28C256 instead of x236? > Yes, sorry https://www.microchipdirect.com/product/AT28C256-15PU -- Linux Home Automation Neil Cherry kd2zrq at linuxha.com http://www.linuxha.com/ Main site http://linuxha.blogspot.com/ My HA Blog Author of: Linux Smart Homes For Dummies KD2ZRQ