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Projekte von gfaman

  • Low power Remote Cameras with display:

    Low power Remote Cameras with display:

    Von gfaman
    gfaman
    This project detailed how to use multiples ESP32Cam (solar charged) to...
    1.2k 0
  • Voltage and current logger with cloud upload:

    Voltage and current logger with cloud upload:

    Von gfaman
    gfaman
    When we are developing some devices, often, the current consumption is...
    1.1k 0
  • ESP32 Low consumption power supply for lithium battery + solar recharge:

    ESP32 Low consumption power supply for lithium battery + solar recharge:

    Von gfaman
    gfaman
    ESP32 is great. However, when need power by battery, the sleep current...
    3.9k 2
  • Wireless scaleS

    Wireless scaleS

    Von gfaman
    gfaman
    When it is needed to weight larges objects, a simple scale is often no...
    16.0k 4
  • Custom power bank

    Custom power bank

    Von gfaman
    gfaman
    Light and small power bank which can use all kind of standard old mobi...
    3.1k 3
  • E-ink voltmeter multichannel for PIC uC:

    E-ink voltmeter multichannel for PIC uC:

    Von gfaman
    gfaman
    For another project under development, I have to check several voltage...
    4.5k 0
  • Memory game for beginner:

    Memory game for beginner:

    Von gfaman
    gfaman
    Simple project to memorize color sequence. The purpose of this project...
    3.5k 0
  • 2nd version of Power bank for Laptop with batteries 18650: V3:

    2nd version of Power bank for Laptop with batteries 18650: V3:

    Von gfaman
    gfaman
    In the first version of this project, I was using some modules associa...
    18.8k 11
  • Laptop power bank with 2 x 18650 Lithium batteries

    Laptop power bank with 2 x 18650 Lithium batteries

    Von gfaman
    gfaman
    When a laptop has no more valid internal battery, it is frustrated to...
    7.1k 0
  • Simple charger and capacity measurement equipment:

    Simple charger and capacity measurement equipment:

    Von gfaman
    gfaman
    With 2 modules quite cheap on the market, fast and enough charger / di...
    7.0k 2
  • Raspberry Pi V4 no noise power supply for audio streamer:

    Raspberry Pi V4 no noise power supply for audio streamer:

    Von gfaman
    gfaman
    What can be the best power supply ? One with isolated from the main 22...
    18.2k 7
  • Display charge and discharge current wide range with INA219:

    Display charge and discharge current wide range with INA219:

    Von gfaman
    gfaman
    To display for a device which have discharging and charging capability...
    20.1k 2
  • Electronic Target for Toy Foam Blaster like Nerf

    Electronic Target for Toy Foam Blaster like Nerf

    Von gfaman
    gfaman
    Multiplayer target with score management and OLED display.
    14.8k 2
  • Solar power Christmas garland:

    Solar power Christmas garland:

    Von gfaman
    gfaman
    How to change a simple led garland into a solar power blinking one , w...
    7.8k 0
  • Discrete Light detector alarm by email:

    Discrete Light detector alarm by email:

    Von gfaman
    gfaman
    This is not an USB charger ! This is a light detector, sending any amb...
    16.4k 4
  • Camel bag water level display 2nd version:

    Camel bag water level display 2nd version:

    Von gfaman
    gfaman
    New version of the camel bag water level indicator based on uC instead...
    6.2k 0
  • Wireless Trace for Debug

    Wireless Trace for Debug

    Von gfaman
    gfaman
    Display on a webpage a serial debug trace send by Wifi. Use an ESP32 w...
    8.9k 1
  • Simple  push button ON/OFF with battery level check:

    Simple push button ON/OFF with battery level check:

    Von gfaman
    gfaman
    Simple IC to manage a push button as ON/OFF switch with battery level...
    19.1k 10
  • Ventilator with pressure control

    Ventilator with pressure control

    Von gfaman
    gfaman
    Air pump (like CPAP) with pressure control, working with any brushless...
    6.4k 0
  • Nixie Alarm Clock with motion sensor

    Nixie Alarm Clock with motion sensor

    Von gfaman
    gfaman
    Nixie night clock with alarm with motion sensor to show the time durin...
    11.8k 8
  • Portable display PM2.5

    Portable display PM2.5

    Von gfaman
    gfaman
    Mini device which display PM2.5 with temperateure and humidity. Work...
    17.3k 20
  • Portable Spot Welding Device with Supercapacitor

    Portable Spot Welding Device with Supercapacitor

    Von gfaman
    gfaman
    For battery assembly, a spot welding tool is nice to have. I develop t...
    28.5k 7
  • Youtube subscribers counter and clock on Nixie Display:

    Youtube subscribers counter and clock on Nixie Display:

    Von gfaman
    gfaman
    Display of your number of subscribers from your Youtube channel on an...
    5.4k 0
  • Replacement Alkaline battery with old phone Lithium battery:

    Replacement Alkaline battery with old phone Lithium battery:

    Von gfaman
    gfaman
    Christmas was nice for the kids. Unfortunately, these toys need endles...
    4.7k 0
  • Portable dust pollution display with temp and Humidity:

    Portable dust pollution display with temp and Humidity:

    Von gfaman
    gfaman
    Display air dust situation as well as temperature and humidity:
    5.3k 1
  • Back ultrasound radar for bike:

    Back ultrasound radar for bike:

    Von gfaman
    gfaman
    Alert a city biker when some cars are approaching too close on the lef...
    25.3k 8
  • Simple Wifi multimeter:

    Simple Wifi multimeter:

    Von gfaman
    gfaman
    Measurement of slow voltage variation and upload to the cloud
    7.3k 0
  • Wifi Repeater solar power

    Wifi Repeater solar power

    Von gfaman
    gfaman
    Always on, solar powered, stand-alone 24/7 Wi-Fi repeater.
    27.2k 4
  • Nixie Watch:

    Nixie Watch:

    Von gfaman
    gfaman
    Nixie watch in wood casing...
    30.6k 3
  • Solar charger for smartphone:

    Solar charger for smartphone:

    Von gfaman
    gfaman
    How a small solar panel can recharge a smartphone through the USB plug...
    14.9k 4
  • Nixie compact, thermometer, clock GPS, letter box alarm:

    Nixie compact, thermometer, clock GPS, letter box alarm:

    Von gfaman
    gfaman
    This is the story of a Christmas gift for my father...He always like o...
    8.6k 2
  • Sniffer for RFM12:  Display exchanges over the air on PC:

    Sniffer for RFM12: Display exchanges over the air on PC:

    Von gfaman
    gfaman
    I'm currently developing a device (which I will propose later here...
    8.4k 0
  • Simple lithium battery charger by solar:

    Simple lithium battery charger by solar:

    Von gfaman
    gfaman
    For another project (pollution detector), I tried to build WITHOUT ded...
    6.0k 0
  • Air pollution display, Solar power, Wifi data upload:

    Air pollution display, Solar power, Wifi data upload:

    Von gfaman
    gfaman
    For many of us, air pollution is a daily problem.People are talking ab...
    10.9k 3
  • Test bench for battery inside an equipment:

    Test bench for battery inside an equipment:

    Von gfaman
    gfaman
    I build this bench 2 years ago. I wanted to know if my device (a mobil...
    5.1k 1
  • Reset detector for mobile phone: Simple idea:

    Reset detector for mobile phone: Simple idea:

    Von gfaman
    gfaman
    One day, I have to know if there is reset with my smartphone, how many...
    5.1k 0
  • Camel bag water indicator [ 140375 ]

    Camel bag water indicator [ 140375 ]

    Von gfaman
    gfaman
    By doing many mountain bike by hot weather (where I live), to carry a...
    11.3k 3
  • Outdoor Solar/Wind Wireless Wifi/3G Webcam &  Wifi hotspot in option:

    Outdoor Solar/Wind Wireless Wifi/3G Webcam & Wifi hotspot in option:

    Von gfaman
    gfaman
    Many of us want to receive regularly a picture of a place, which can b...
    30.5k 5

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