This looks quite handy https://www.crowdsupply.com/excamera/termdriver-2

They also had a post about how they're using subpixel rendering to get legible text out of 3 pixel wide glyphs: https://excamera.substack.com/p/can-3-point-text-be-readable

#Computerclub2

#CC2tv #403 Vom `print()` zum #Bit

So spricht dein #Mikrocontroller
Wir zeigen, wie ein einziger #MicroPython-Befehl – `print("Hallo Welt")` – Schicht für Schicht bis zum elektrischen Signal am TX-Pin zerlegt wird. Wir starten in der Hochsprache, werfen einen Blick auf den erzeugten #Bytecode und zeigen, wie die MicroPython-VM ihn in C-Routinen übersetzt. Von dort gelangt der String über den #UART-Treiber als #ARM- #Maschinencode auf den RP2040-Prozessor

https://cc2.tv/daten/20250705100000.php

It lives!

The #rc2014 version of my FT245 based USB interface works exactly as intended with SCM, Basic and the 6850 version of CP/M

No more faffing with USB-Serial dongles and #UART settings for me, terminal software simply doesn’t care about baud rates and the like with this board,

Access BMC UART on Supermicro X11SSH

https://github.com/zarhus/zarhusbmc/discussions/3

New open source hardware board UEXT-3TO5V allow 5V devices and sensors to be powered and accessed by 3.3V UEXT boards https://olimex.wordpress.com/2025/06/10/new-open-source-hardware-board-uext-3-to-5v-converter-allows-5v-devices-and-sensors-to-be-connected-to-uext-boards-with-3-3v-levels/ #uext #oshw #sensor #spi #i2c #uart

An #STM32F4, #RYLR998 #LoRa #UART driver written entirely in #Assembler. https://github.com/mytechnotalent/STM32F4_LoRa_UART_Driver

Vintage Intel 8080 runs on a Modern FPGA - If you’re into retro CPUs and don’t shy away from wiring old-school voltages, [Mar... - https://hackaday.com/2025/05/26/vintage-intel-8080-runs-on-a-modern-fpga/ #microcontrollers #retrocomputing #classichacks #intel8080 #pcbhacks #8080a-1 #openocd #fpga #cm32 #uart #pcb

Exploring the RP2350’s UART-Bootloader - The RP2350 has a few advantages over its predecessor, one of which is the ability ... - https://hackaday.com/2025/05/11/exploring-the-rp2350s-uart-bootloader/ #microcontrollers #microcontroller #uartbootloader #rp2350 #uart

Dear #homelab bubble,

as is normal I have a dozen different SBCs (Raspi1, Raspi2, Raspi4,...) as well as some other thin clients running in my home lab. As none of them is connected to a monitor, each of them has some kind of serial-to-USB cable attached (to a serial output or to the Raspi GPIO pins).

Of course, I am lazy, and moving the laptop I am working on and attaching the right cable is too much effort. So I thought about finding another solution. Not sure if there is one and if I can afford it. So I would be glad if there is any input or ideas or hints or experiences or recommendations. Thanks in advance!

Liebe Nerds,
kennt sich jemand gut mit #UART etc aus? Ich versuche, #valetudo auf einem Xiaomi X10 Plus zu installieren. Leider kann ich das root PW nicht eigeben. Bei der Eingabe (egal wie) gehen immer einige Zeichen verloren. jemand im telegram channel schrieb was vom input speed oder so. ich habe aber brutal keine ahnung. hier die anleitung:

https://valetudo.cloud/pages/installation/dreame.html#uart

How a Tiny Relay Became a USB Swiss Army Knife https://hackaday.com/2025/04/05/how-a-tiny-relay-became-a-usb-swiss-army-knife/ #Microcontrollers #swissarmyknife #computerhacks #LinuxHacks #swissknife #PCBHacks #BOOT0 #relay #servo #stm32 #News #uart #usb

How a Tiny Relay Became a USB Swiss Army Knife - Meet the little board that could: [alcor6502]’s tiny USB relay controller, now evo... - https://hackaday.com/2025/04/05/how-a-tiny-relay-became-a-usb-swiss-army-knife/ #microcontrollers #swissarmyknife #computerhacks #linuxhacks #swissknife #pcbhacks #boot0 #relay #servo #stm32 #news #uart #usb

So what can you do with the ability to read arbitrary #FPGA registers out of your design over #UART? Capture time series data (last four #ethernet packet bytes) in your regs and write a little #python script that launches #GTKWave and you have yourself a tiny homemade cross platform logic analyzer thing!
https://github.com/JulianKemmerer/PipelineC/wiki/Example:-Debug-Probes

UART/I2C firmware for https://www.tindie.com/products/8086net/rp2040-interfacer-uarti2c/ RP2040 Interfacer is now available on https://github.com/8086net/RP2040_Interfacer-UART_I2C

(it's also supported by CircuitPython https://circuitpython.org/board/8086_rp2040_interfacer/ )

Anyone know enough about the ATmega328 to know if the UART can cope with something else disabling interrupts for ~2mS...?

That sounds like quite a lot to me.

This is for handling MIDI, so I think at 31250 that would be enough for up to two complete 3-byte messages to have gone past...

Am about to pile into the datasheet, but the UART was always a bit of "mystery magic that just worked" for me...

Nach #Weihnachten habe ich MacroPads (kleine USB-Tastaturen mit Drehknopf und Taster) kennen gelernt. Das was ich in die Finger bekommen (und aufgeschraubt) habe, hat einen Chip #CH552. Ich dachte es ist ein spezieller Tastaturchip wie der #CH340 ein USB-#UART Chip ist. Weit gefehlt, das ist ein #8051 kompatibler Chip mit USB, und der wird vom SDCC unterstützt!

ähnliches Macropad: https://github.com/wagiminator/CH552-MacroPad-plus

SDCC Projekt: https://github.com/atc1441/CH55xOneClickCompiler

Just discovered Matt Brown’s hacking #IoT channel and was amazed how quick it is to extract basically everything from an off the shelf #TPLink cellular device with #UART and some USB flash readers. It has 1M views so I’m probably late to the party but check it out anyway.

https://www.youtube.com/watch?v=clESYc9BDvc