Meilleures offres pour Carte de protection de batterie,Télescope,Carte de protection de batterie

Dimand 04/06/2019

This thing is actually a UPS. Will maintain output with no interruption when either the battery or the input 5V is disconnected. Charges batteries to 4.1V steady (using protected 18650 cells, always good to be safe). Have not finished testing discharge level yet.

Module d'alimentation UPS de protection ininterrompue de la batterie au lithium 5V 2*18650 avec support de batterie intégré

9,70€ 15,93€

7

Commentaires (1)

Dimand 19/02/2020

threads are 17mm lens thread. telephoto lens works suprisingly well. tripod is very low quality. Bluetooth remote also works very well. other 2 lenses (macro and fisheye) don't do very much at all.

All in1 Phone Camera Lens 12X Télescope Selfie Stick Trépied Bluetooth Remote Kit

18,34€ 21,75€

0

Commentaires (0)

Dimand 04/06/2019

This thing is actually a UPS. Will maintain output with no interruption when either the battery or the input 5V is disconnected. Charges batteries to 4.1V steady (using protected 18650 cells, always good to be safe). Have not finished testing discharge level yet.

5V chargeant le module Batterie de boost de lithium du conseil 18650 de protection sans interruption de protection avec le support Batterie

8,43€ 11,25€

1

Commentaires (0)

Dimand@bmwfreq64 Can'tbe done easily mate. Just finished pulling one of these things apart completely. It uses a microprocessor with an ADC input to read the voltage. It outputs a number based on a voltage up to 2V. Scale is 20.5/1V. It has a voltage divider to generate the correct calibration. You can remove the voltage divider and substitute your own to measure something with another scale but it needs at least half a volt to read up to a 10

ben 20/01/2019

1) calibrate for accuracy <1% 2) to upgrade from 0V-30V see picture input pin-3= 46kOhm (+and-) * avoid going negative! will not register anyway. 3) drain @9V supply is 11mA 4) increase readability with coloured film or paper. have fun!