The BARGAIN basement part 5

[BoRRoZ]

Mid-Year Sale , all orders place on our RFsupplier web store can enjoy 5% special discount.

Coupon Code: RF28289
Valid date: Till July 31, 2019

Custom Cable Assemblies
WebSHOP

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BNC Electrode Probe Hydroponic PH Aquarium+Liquid PH Value Detection Sensor |...

US $14.59 - free shipping

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mini UPS

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• https://github.com/avishorp/TM1637

• http://www.forgani.com/electronic/arduino-rtc-clock-and-tm1637/

• https://thesolaruniverse.files.wordpress.com/2018/08/040_7_seg_led_fig_03_96dpi.png

• http://www.zonnepanelen.wouterlood.com/10-four-digit-7-segment-led-display-for-arduino-based-on-the-tm1637-driver/

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don’t forget… Ali Express sale start in a few hours !

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[pe1mew (Remko)]

Be aware: with a length of 40 cm it will not be 6dBi! the 5,9 dBi I tested was 80 cm long

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• http://www.doctormonk.com/2018/03/review-and-test-of-mh-z14a-ndir-co2.html

MH-Z14A.pdf (636.4 KB)

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• https://alexkychen.wordpress.com/2017/11/14/non-contact-liquid-sensor-test-drive/

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DON’t buy them… SCAM !

[bluejedi]

1200 mAh 14500 (AA) LiFePO4?

My guess is that around 600 mAh will be more realistic.

[BoRRoZ]

my guess too 800 but good price

[bluejedi]

@BoRRoZ

but good price

https://www.aliexpress.com/item/4PCS-Soshine-3-2V-LiFePO4-battery-AA-14500-battery-pilas-recargables-Protected-With-Battery-Case-and/32807045241.html

In Euro they are even cheaper: € 8.03

[BoRRoZ]

yes I’ve seen those too… but a different capacity

a review
https://lygte-info.dk/review/batteries2012/Litelong%2014500%20LiFePO4%201200mAh%20(White)%20UK.html

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[bluejedi]

@BoRRoZ

but a different capacity

At least it says so on the outside.

I’m interested in their real capacity though.

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LoRaWAN-Mini - An Arduino compatible board by Low Power Design Lab on Tindie

• https://github.com/LowPowerDesignLab/LoRaWAN-Mini/wiki/LoRaWAN-Mini
• https://github.com/LowPowerDesignLab/LoRaWAN-Mini/wiki/Power-Consumption

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one of the best and widely used chargers/testers

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• https://github.com/espressif/esp-who