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Showing posts from July, 2023

Lead ACID vs lithium iron phosphate

only 60%  10 times more no of times rechrges - cycle life. 4 times more faste charing 55% lighter

Homemade walking riksha robot part 3

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How To Make Powe Bank For Any Laptop DIY | Laptop Powe Bank Bnany ka tar...

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efficiency of power bank checked and found efficiency of 65% to 68%for new one.

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 https://www.amazon.in/dp/B0C2YR4MV6 which is 5kmah 3.7 volts = 18.5 watts rated capacity it could charge up to 17 watts with 9 volts but at discharge it could give only 11.7 watts which is 68.9% efficiency in 1.4 hours time when charged with 5 volts it gave 65% efficiency

RUIDENG HD25 HD35 adjustable DC load tester 5-20 volt 35 watt Load tester for batteries with voltage current display

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  we can test batteries and power sources power banks with a meteer in between to test max capbilities or if rated rating are correct. we can set voltage from 5 volt to 20 volts with button and adjust current with a rotating knob.  Max power is up to 35 watt. this is tested in the bellow video. https://robu.in/product/rd-hd35-trigger-qc2-0-qc3-0-electronic-usb-load-resistor-discharge-battery-test-adjustable-current-voltage-5a-35w/

how to run laptop with 12 volt battery using dc voltage booster module

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dc voltage booster  https://www.electronicscomp.com/sx1308-dc-dc-step-up-adjustable-power-supply-28v-2a-1.2mhz-power-booster-module?gclid=CjwKCAjw-7OlBhB8EiwAnoOEk_cF9XpBl1__Xu8c9XamW1mqByH_IQ9PL6KOH088v7UhBJj61cFQchoCTmkQAvD_BwE

controling toy car with 8051 microcontroller and arduino using bluetooth

 https://circuitdigest.com/microcontroller-projects/bluetooth-controlled-robot-using-8051

cd4060 counter with ib buit oscillator

https://www.build-electronic-circuits.com/4000-series-integrated-circuits/ic-4060/

cheap automotive pc oscilloscope picoscope-2204a

 https://in.element14.com/pico-technology/picoscope-2204a/oscilloscope-pc-10mhz-with-awg/dp/2365425?gclid=CjwKCAjw2K6lBhBXEiwA5RjtCVChOlUI8GbbRue6BVHipPLrZPmAnF61ObY0gVY3MyvboXmQdDXf1RoCYS0QAvD_BwE&mckv=s_dc|pcrid|658902219081|pkw|picoscope%202204a|pmt|p|slid||product||pgrid|153114499910|ptaid|kwd-324547873669|&CMP=KNC-GIN-SKU-TOP-SELLERS

Cheapest Oscilloscope in the World! DSO 138 | Mechanic Mindset at 1700/-

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https://robu.in/product/dso138-2-4-tft-handheld-pocket-size-digital-oscilloscope-kit-diy-parts-electronic-learning-set-1msps/

bl0937 energy measurementinside smart energy monitoring

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 bl0937 energy measurement

digital relay 4 channel - without mechanical relay

opto copulers ftom Rs.5  https://lygte-info.dk/project/DigitalRelay4Channels12V%20UK.html https://www.electronics-tutorials.ws/power/solid-state-relay.html

relay protection for inductive and capacitive loads

 https://www.hw-group.com/cs/podpora/how-not-to-destroy-a-relay#:~:text=Switching%20an%20inductive%20load,compared%20to%20a%20capacitive%20load.

control devices based on power consumption remotly with smart switch and alexa

 https://hubitat.com/products with kasa smart plug extension

build own whitelable smart electronic wifi iot products - Tuya or blynk - like wipro smart switch

 tuya.com wipro smart smart switch energy monitoring https://blynk.io/ also used wipro wifi switch

Which is the best Peltier module for your project?

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How To Make AC Using Peltier Module | In Telugu | Telugu Experiments | ...

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Indian Power supply or generator designer

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Charge 12V bike, car or ups battery with laptop charger

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24 Volt 480W SMPS Power Supply Repair - Step By Step

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How to use old laptop batteries BMS || पुराने Laptop batteries के BMS कै...

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