kevinjwalters

Instructables

• 

  Simple Audio Player on Adafruit Circuit Playground Bluefruit (CPB)

  130
• 

  Speak and Maths Circuit Bend - Pitch Control Ribbon

  2 153
• 

  Speak and Maths Audio Repair and Clean

  4 439
• 

  GurgleApps Word Clock V2 With Capacitive Touch, Ambient Light Sensor and Snow Background

  5 553
• 

  Adding a Touch Button to GurgleApps Word Clock Using RP2040/RP2350 Programmable IO (PIO)

  6 712
• 

  Halloween Pixel Art on GurgleApps Word Clock

  1 317
• 

  GurgleApps Word Clock Assembly With an Ambient Light Sensor

  27 2.1K
• 

  Testing an RGB LED Matrix With Different Supply Voltages

  2 553
• 

  An Imperfect Comparison of Arduino Analogue and Digital Inputs: UNO R3, Leonardo, UNO R4 Minima and UNO R4 WiFi

  6 778
• 

  Speak and Spell Power Board Repair

  4 1.3K
• 

  Setting Up Visual Studio Code to Compile and Debug C/C++ for BBC Micro:bit V2 on Raspberry Pi Using CODAL

  15 982
• 

  Making an Accurate Stylish Clock With the Kitronik ZIP Halo HD and a BBC Micro:bit in MicroPython

  11 1.6K
• 

  Arduino Comparison in Detail: UNO R3, Leonardo, UNO R4 Minima and UNO R4 WiFi

  19 4.9K
• 

  PWM Brightness Control of Small Christmas Lights Using Enable Feature on Voltage Regulator

  1 453
• 

  Creating Synthesizer Sounds Using CircuitPython Synthio With Pimoroni PGA2350 or Cytron Maker Pi Pico

  18 1.7K
• 

  Measuring Small Voltages With Pi Pico ADC and Comparison With Microchip MCP3208 Using Cytron EDU PICO

  4 3.6K
• 

  Measuring Peripheral Power With Arduino UNO R3 and R4 WiFi, Pi Pico W, Adafruit Feather NRF52840, BBC Micro:bit V1 and V2, Cytron Maker Nano RP2040

  7 1.6K
• 

  Making an Illuminated Wooden Name Plate Using Flexible Filament LEDs, a Microcontroller and a Constant Current Circuit

  3 670
• 

  Constant Current Circuit for Flexible Filament LEDs Using Cytron Maker Nano RP2040 With PWM Brightness Control

  58 6.0K
• 

  Powering Peripherals From a Microcontroller - Arduino UNO R3, Pi Pico W, Adafruit Feather NRF52840, BBC Micro:bit and Cytron Maker Nano RP2040

  2 746
• 

  Logic Gate Simulator on Kitronik ARCADE for Micro:bit in MakeCode Arcade

  7 1.2K
• 

  Logic Gate Analyser With Cytron EDU PICO or Adafruit CLUE Demonstrated With MH-EDU-Electronics LogicBoard and Kitronik Inventor's Kit

  6 1.2K
• 

  Making a Small Larson Scanner With Two LogicBoards From MH-EDU-Electronics

  1 403
• 

  Making an Oscillator With LogicBoard From MH-EDU-Electronics

  845
• 

  Making a Full Adder With LogicBoard From MH-EDU-Electronics

  3.2K
• 

  EMG With Arduino UNO R4 WiFi and DIY Neuroscience Kit From Upside Down Labs

  3 2.5K
• 

  Making a Guitar Tuner and Audio Spectrum Analyser Using the Pimoroni Galactic Unicorn

  20 3.1K
• 

  Adding a Microphone to Pi Pico W on Pimoroni Galactic Unicorn

  2 2.1K
• 

  Benchmarking C++ Arrays on the Pi Pico

  8 1.7K
• 

  Making a Charge Redistribution SAADC in Falstad Circuit Simulator

  10 1.8K
• 

  NiMH Rechargeable Battery Comparison Using Kitronik Inventor's Kit and Adafruit CLUE

  1.4K
• 

  Rainbows in MakeCode on a 4tronix Cube:Bit (RGB LED Cube)

  1 598
• 

  MakeCode Fun on the 4tronix Cube:Bit (an RGB LED Cube)

  9 2.0K
• 

  Exploring and Reducing ADC Noise on Adafruit CLUE (Nordic NRF52840)

  8 2.2K
• 

  Battery Capacity Measurement Using Kitronik Inventor's Kit and Adafruit CLUE

  6 1.8K
• 

  Pimoroni Inky Frame Comparison - 4 Inch Vs 5.7 Inch

  3 2.0K
• 

  Battery-Powered Digital Picture Frame Using Pimoroni Inky Frame

  29 5.4K
• 

  RGB LED Current Measurement With Nordic Power Profiler Kit II

  3 2.8K
• 

  Electricity Carbon Intensity Display Using Pi Pico W and SSD1306

  2 1.2K
• 

  Publishing Particulate Matter Sensor Data to Adafruit IO With Maker Pi Pico and ESP-01S

  12 3.9K
• 

  Halloween Spooky Ghost With BBC Micro:bit on Cytron EDU:BIT

  2 1.9K
• 

  PIR Movement Alarm With BBC Micro:bit and External Speaker

  2 3.3K
• 

  Make a Component Tester With Adafruit CLUE and Kitronik Inventor's Kit

  14 2.7K
• 

  Plotting Carbon Dioxide Levels With the Pimoroni Enviro+ FeatherWing and Adafruit SCD-30

  13 3.3K
• 

  Soil Moisture Sensing With the Maker Pi Pico

  15 10K
• 

  Using the Pimoroni Enviro+ FeatherWing With the Adafruit Feather NRF52840 Express

  5 3.2K
• 

  Using the Cytron Edu:bit With the Adafruit CLUE

  3 1.5K
• 

  Using the Kitronik Inventor's Kit With the Adafruit CLUE

  5 2.5K
• 

  Circuit Playground Express and Ultrasonic Distance Measurement in Makecode

  8 4.6K
• 

  CircuitPython and Bearables Badge: Simple Example

  5 1.7K
• 

  CircuitPython and TinyLiDAR: Simple Example

  9 2.1K