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Matchbox Car v1

Shane Ormonde8 years ago8 years ago43 mins

This build consists of a tiny DC motors ripped from a pair of 9g servos, a h-bridge motor controller, an el-cheapo 8 bit pic and a 100mAh 3.7V LiPo battery. Circuit : (click schematic for pdf) Code: What’s coming next The problem with using these dc motors is that they have a very high rpm….

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Automated Plant Waterer

wattnotions8 years ago8 years ago82 mins

Here is a circuit diagram of the circuit shown in the video: This is the C program that runs on the dsPIC:

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NRF24L01+ development board

wattnotions8 years ago8 years ago31 mins

This development board is based on the PIC18F45k50 which will communicate with a PC via USB. Example code will be posted in the coming weeks. The PICKIT to FFC adapter adapter board artwork and eagle files are available here. The board artwork and eagle files are available here.

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Mains power detection circuit

Shane Ormonde9 years ago9 years ago152 mins

Code used for microcontroller: The uC used was a pic18f14k50. Code compiled using xc8 compilter. Read analog channel function taken from batchloaf’s template code post. Here is the source code:

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  1. Mikhail Grushinskiy on OpenWave : Development of an Open-Source and Low-cost wave sensorMarch 6, 2023

    I’ve wrote something similar: Estimating wave height from IMU accelerometer on a moving boat https://bareboat-necessities.github.io/my-bareboat/bareboat-math.html code: https://github.com/bareboat-necessities/wave_height_from_IMU

  2. Artsy on Laser cut carboard planetary gearJanuary 30, 2023

    I absolutely love this! Thank you for making this video and sharing your file. I will be making projects with…

  3. Raffi on Matchbox Car v2 (fail)December 11, 2022

    You could just resolder another ATtiny? Cool Blog, thanks for putting your stuff out there!

  4. irfan on atmega16u2 virtual serial example using LUFA LibraryMay 28, 2021

    this device is used for what

  5. wattnotions on OpenWave : Development of an Open-Source and Low-cost wave sensorFebruary 28, 2021

    Hi Alex, Once I had the vertical acceleration to displacement script working, I could use it on any set of…

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