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I/O Expander with PWM Input
I have an array of 30 LEDs with 30 transistors driving them (one for each LED), with the base of each transistor being driven by output pins of an MCP23017 I/O expander (so that...
Wednesday, 3 July 2019 - 09:54
tinyAVR 1-Series TWI Polled Byte-Read with NACK
I've written a polled master TWI byte-read routine for an ATtiny814 (in C++) - it waits for RIF bit to be set in the MSTATUS register, as described in the datasheet:  ...
Sunday, 28 April 2019 - 11:33
ATtiny85 TWI SDA/SCL Internal Pull-ups - TinyWireM Library
My question is the following: Is it possible to enable the internal pull-up resistors on the PortB pins of an ATtiny85 when the direction of those pins is set as "output"?  ...
Monday, 18 February 2019 - 20:00