Debugging a 921600 baud USART problem on the ATtiny1614 while porting code from Arduino and megaTinyCore to plain C.
Posts for: #ATtiny1614
PICkit 5, GCBASIC and a Logic Green Rabbit Hole
Testing the PICkit 5 with the UCMOD-0, moving from Arduino to plain C with MPLAB, and disappearing down a couple of 8-bit microcontroller rabbit holes.
Software Testing the UCMOD-0 over RS485
Software testing the ATtiny1614-based UCMOD-0, configuring its clock and brown-out detection, measuring RS485 bus voltages and sending data to a Raspberry Pi Pico.
Programming and Testing the UCMOD-0 with Arduino and UPDI
Programming and performing the first software tests on the ATtiny1614-based UCMOD-0 using Arduino, megaTinyCore and an UPDI Friend.
First Hardware Tests of the UCMOD-0 and RS485 Rev C

Testing the Rev C Isolated RS485 Building Block Board and the first ATtiny1614-based UCMOD-0 microcontroller module.
Tweaking the UCMOD-0 Microcontroller Module
A small revision to the ATtiny1614 UCMOD-0 module, adding UPDI power isolation and a connector layout compatible with the Adafruit UPDI Friend.
Two Simple Boards for the Just Boards Range
Designing two simple, self-assembly PCBs: a UPDI Friend to Tag-Connect adapter and a breakout board for UCMOD microcontroller modules.
Expanding the Building Block Ecosystem
Sending the first UCMOD microcontroller module and the latest revision of the Isolated RS485 Building Block Board off for manufacture.
Designing a Modular ATtiny Microcontroller Board
Starting the design of a compact ATtiny1614-based microcontroller module with a standardised 20-pin connector for use across a range of carrier boards.