Hackaday (unofficial) December 21, 2023 10:00am Arduino Measures Remaining Battery Power With Zero Components, No I/O Pin #arduinohacks #microcontrollers #adc #arduino #atmega #attiny #battery #lowbattery #powermonitor #voltage #hackaday posted by pod_feeder_v2 Arduino Measures Remaining Battery Power With Zero Components, No I/O Pin [Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Ar…
Hackaday (unofficial) October 26, 2023 12:00am Upgraded Toy Guitar Plays Music #musicalhacks #adc #arduino #costume #esp32 #guitar #halloween #music #sdcard #speaker #toy #hackaday posted by pod_feeder_v2 Upgraded Toy Guitar Plays Music Getting the finishing details on a Halloween costume completed is the key to impressing friends and strangers alike on the trick-or-treat rounds. Especially when it comes to things like props, thes…
Hackaday (unofficial) August 23, 2023 12:00pm Guitar Distortion with Diodes in Code, Not Hardware #musicalhacks #adc #algorithm #arduinogiga #clipping #dac #disodetheory #distortion #effects #guitar #pedal #shockley #hackaday posted by pod_feeder_v2 Guitar Distortion With Diodes In Code, Not Hardware Guitarists will do just about anything to get just the right sound out of their setup, including purposely introducing all manner of distortion into the signal. It seems counter-intuitive, but it w…
Hackaday (unofficial) August 9, 2023 12:00am STM32 Oscilloscope Uses All the Features #toolhacks #adc #analogtodigital #microcontroller #oscilloscope #stm32 #tftscreen #hackaday posted by pod_feeder_v2 STM32 Oscilloscope Uses All The Features [jgpeiro] is no slouch when it comes to building small, affordable oscilloscopes out of common microcontrollers. His most recent, based on an RP2040 with two channels that ran at 100 MSps, put it o…
Hackaday (unofficial) April 21, 2023 7:00pm A High Precision ADC That You Can Understand! #classichacks #contests #adc #dualslope #opamp #hackaday posted by pod_feeder_v2 A High Precision ADC That You Can Understand! In a world where an analogue to digital converter is all too often an integrated peripheral buried inside a microcontroller, it’s easy to forget how simple these devices can be when built fro…
Hackaday (unofficial) February 2, 2023 8:00pm Audio Playback Toy For DSP Adventures #microcontrollers #adc #audio #avr #avr128da28 #dac #interrupt #memory #microcontroller #opamp #speed #hackaday posted by pod_feeder_v2 Audio Playback Toy For DSP Adventures The declining costs of single-board computers has made serious computing power available for even the most trivial of tasks. It’s easy enough to slap a Raspberry Pi onto almost anything for n…
Hackaday (unofficial) December 11, 2022 4:00pm A Straightforward Old-Fashioned DAC #computerhacks #adc #dac #resistorladder #hackaday posted by pod_feeder_v2 A Straightforward Old-Fashioned DAC With modern microcontrollers, the process of interfacing with the analogue world is easy. Simply enable the on-board DAC or ADC, and talk to the world. If you’ve ever done this with a slightl…
Hackaday (unofficial) November 7, 2022 6:00am A Pi Pico Oscilloscope #raspberrypi #adc #oscilloscope #raspberrypipico #hackaday posted by pod_feeder_v2 A Pi Pico Oscilloscope At the budget end of the oscilloscope range lie the so-called pocket ‘scopes. About the size of a deck of cards, they combine a microcontroller and an LCD screen to make an instrument with a …
Hackaday (unofficial) June 29, 2022 6:00pm Bare-Metal STM32: Adding An Analog Touch With ADCs #arm #hackadaycolumns #microcontrollers #softwaredevelopment #adc #stm32 #hackaday posted by pod_feeder_v2 Bare-Metal STM32: Adding An Analog Touch With ADCs An Analogue to Digital Converter (ADC) is at its core a straight-forward device: by measuring an analog voltage within a set range and converting the measured level to a digital value we can use th…
Hackaday (unofficial) June 8, 2022 7:00pm Retrotechtacular: The Forgotten Vacuum Tube A/D Converters of 1965 #retrotechtacular #adc #analongtodigital #att #belllabs #crt #deflectionplates #graycode #reflectedbinarycode #shadowmask #vacuumtube #hackaday posted by pod_feeder_v2 Retrotechtacular: The Forgotten Vacuum Tube A/D Converters Of 1965 In any era, the story of electronics has very much been about figuring out how to make something happen with what’s available at the time. And as is often the case, the most interesting devel…
Hackaday (unofficial) April 18, 2022 6:00am Processing Audio With the RP2040 #microcontrollers #adc #arm #audio #digitalsignalprocessing #dsp #effects #guitar #pwm #raspberrypi #rp2040 #hackaday posted by pod_feeder_v2 Processing Audio With The RP2040 The Raspberry Pi, although first intended as an inexpensive single-board computer for use in education, is now ubiquitous in electronics communities. Its low price as well as Linux platform and acc…
Hackaday (unofficial) March 16, 2022 6:00pm Our Favorite Things: Binary Search #hackadaycolumns #lifehacks #rants #adc #algorithms #binarysearch #dac #math #hackaday posted by pod_feeder_v2 Our Favorite Things: Binary Search You might not think that it would be possible to have a favorite optimization algorithm, but I do. And if you’re well-versed in the mathematical art of hill climbing, you might be surprised t…
Hackaday (unofficial) February 23, 2022 5:00pm Pressure Gauge Built In A Vacuum #arduinohacks #adc #arduino #calibration #gauge #measurement #mega #pirani #pressure #tool #vacuum #hackaday posted by pod_feeder_v2 Pressure Gauge Built In A Vacuum Necessity might be the mother of all invention, but we often find that inventions around here are just as often driven by expensive off-the-shelf parts and a lack of willingness to spend top dollar…
Hackaday (unofficial) October 8, 2021 7:00pm Homebrew Circuit Explores the Mysteries of Analog-to-Digital Conversion #mischacks #adc #analogtodigital #comparator #dac #r2r #samplehold #successiveapproximation #hackaday posted by pod_feeder_v2 Homebrew Circuit Explores The Mysteries Of Analog-to-Digital Conversion When it comes to getting signals from an analog world into our computers, most of us don’t give much thought to how the hardware that does the job works. But as it turns out, there are a numb…
Hackaday (unofficial) September 18, 2021 3:00pm Finding the Right Hack is Half the Battle #hackadaycolumns #hardware #parts #rants #adc #hx711 #inspiration #loadcell #sharing #wheatstonebridge #hackaday posted by pod_feeder_v2 Finding The Right Hack Is Half The Battle Sometimes you just get lucky. I had a project on my list for a long time, and it was one that I had been putting off for a few months now because I loathed one part of what it entailed — sens…