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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
聽路聽Delhi,聽India
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Bait Release Control Circuit - NRF

Arduino compatible NRF controlled Bait Release Control ckt. it can be programmed via USB.

  • it can charge a single Li-po/ Li-ion cell with a current up to 500mA.
  • It have simple voltage regulator for battery charging.
  • Boost converter to convert 3.7v to 5v for ckt.
  • Regulated charging of battery via USB and current monitoring.
  • 4 Servo outputs with 5V power supply.
  • NRF Radio connection.

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Abhi Verma

Abhi Verma designed a very complex circuit for a fishing hook release mechanism that will be mounted on a quadcopter 馃槂

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Abhi Verma
32
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ROBOToTHON 2017 Mentor, Electronics Engineer
聽路聽Delhi,聽India
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I鈥檒l redesign it with minimum components and it鈥檒l ne like a arduino nano with onboard nrf and usb programming capabilities. We can simply add tp4056 by soldering wires.
How about this?

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Harsha Alva
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Mechanical Engineer + Software Developer (Project Leader)
聽路聽Mangaluru,聽India
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Great Abhi. BTW, can we use a 1s 1000 mAh lipo with TP4056? That would be small in size and weight.

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John Rodrigues
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Mechanical Design Engineer |Founder of designwithjohn.com
聽路聽Honnavar,聽India
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Sounds good Harsha

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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
聽路聽Delhi,聽India
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Actually Atmega328p can鈥檛 run with 16mhz at voltage lower than 4.5 volts. I can run it at 4-8Mhz without crystal but then it鈥檒l not be able to be programmed using usb. Every time we have to use isp header. Also by choosing lower frequency all the timers and pwm will be half. Secondly servo also requires 5v power to ensure proper operation.
If there is any module like power banks which can charge cells at 4.2 volts and give 5 v back to user than there will be no problem.

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Steven Reubenstone
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Mechanical Engineer & Tinkerer of Things.
聽路聽New York,聽U.S.
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great to see

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Harsha Alva
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Mechanical Engineer + Software Developer (Project Leader)
聽路聽Mangaluru,聽India
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