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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
 · DelhiIndia
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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 :)

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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
 · DelhiIndia
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I’ll redesign it with minimum components and it’ll 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)
 · MangaluruIndia
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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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Product Designer|Entrepreneur |Founder of designwithjohn.com
 · HonnavarIndia
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Sounds good Harsha

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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
 · DelhiIndia
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Actually Atmega328p can’t run with 16mhz at voltage lower than 4.5 volts. I can run it at 4-8Mhz without crystal but then it’ll 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. Community Moderator.
 · New YorkU.S.
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great to see

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Harsha Alva
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Mechanical Engineer + Software Developer (Project Leader)
 · MangaluruIndia
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