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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

attiny85

  1. Z

    OLED Oscilloscope ATtiny85 2025-01-29

    Bandwidth is DC to 5KHz. Max sampling rate is 50,000 samples per second. An oscilloscope with these specifications has limited use, but it is a good exercise in using OLED display. Software trigger starts the sampling when the input signal crosses zero. Input tolerates 5V max. ATtiny85 or...
  2. Z

    SD Card Player ATtiny85 2025-01-14

    The firmware works for SD or SDHC cards only, 1-32 GB. ATtiny85 or ATtiny45 can be used. The FAT32 code is minimal, it only fined the files location and repeats playing all the songs in the order they are in the file allocation table. File names have to be short, 5 characters max, and located...
  3. hesam_m

    An Ultrasonic Range Finder Using an SRF05 and an ATTiny85

    An ultrasonic range finder is a useful tool in a variety of real-life and robotic applications, such as in obstacle avoidance and distance measurement systems. The ultrasonic range finder measures the distance by emitting a 40KHz pulse of ultrasonic sound that travels through the air until it...
    • hesam_m
    • Resource
    • attiny85 circuit distance measurement pcb range finder srf04 srf05 ultrasonic
    • Category: Electronic Projects
  4. J

    Please help: TP4056 charging module output voltage

    Recently got one of those, and I was wondering what the output voltage was. I know the input is 5V, but the very-much-standart Li-ion 18650 battery I use is 3.7V I'm planning to connect a Digispark ATTINY85 board to the output, which requires also 5V. Will the ATTINY85 work properly? I heard...

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