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250m 30AWG Rood/Zwart/Geel/Blauw/Groen/Wit/Paars/Oranje OK Lijn Printplaat Flyer Draad Luchtvaartmaatschappij PCB Jumperkabel Verpakkingsdraad
US$4.99 US$10.99

Q: Type of core? copper? aluminium? tin coated?

gevraagd door H_good op 2020-01-05 01:07:04
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H_good 27/06/2018
See Github for demo app and other info: https://github.com/Erriez/R421A08-rs485-8ch-relay-board/releases TLDR: address: 40001-8, value: ON=256(0x0100), OFF=512(0x0200), TOGGLE(on 1sec)=768(0x300), LATCH=1024(0x400), MOMENT=1280(0x500), OFF_TIMER=1537-1791(0x0601-0x06FF)1-255sec
8 Kanaals DC 12V RS485 Relais Module Modbus RTU 485 Afstandsbediening Schakelaar Voor PLC PTZ Camera Beveiligingsmonitoring
US$24.99 US$29.99
4
aanbevelingen
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15KW automatische spanningsstabilisator AC-regelaarvoeding 120-270V tot 220V
US$343.28 US$447.59

Q: What is the type of sinewave?

gevraagd door H_good op 2019-03-16 08:40:38

Iridaceous Stabilizer regulator

2019-03-21 04:21:09 Nuttig (0)
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antwoorden (1)
LW-102 LED Celsius Display Waterdouche Thermometer Celsius Flow Zelfopwekkende elektriciteit Watertemperatuurmeter Monitor Energie Smart Meter
US$18.99 US$22.99

Q: Is it waterproof?

gevraagd door H_good op 2018-12-17 03:07:41

Effervescent Yes, it is.

2018-12-18 07:57:48 Nuttig (0)
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Wireless CC2531 Sniffer Bare Board Packet Protocol Analyzer Module USB Interface Dongle
US$7.99 US$14.00

Q: Why is the price twice as high compared to ali?

gevraagd door H_good op 2018-11-25 07:23:41

wujiahui Different manufacturers make different prices.

2018-11-25 08:33:06 Nuttig (0)
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H_good 27/10/2018
Quality is very good, so is the sound. I'm pleased. Unfortunately my speaker has a dent on the top of the speaker due rough transport (5mm foam won't cut it) :(
BlitzWolf® BW-AS2 40 W 5200 mAh Dubbele driver Draadloze Bluetooth-luidspreker 30 W Versterkte opwaartse bas
US$75.99 US$91.99
0
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H_good I'm afraid i think its fixed to 9600 baud

H_good 27/06/2018
See Github for demo app and other info: https://github.com/Erriez/R421A08-rs485-8ch-relay-board/releases TLDR: address: 40001-8, value: ON=256(0x0100), OFF=512(0x0200), TOGGLE(on 1sec)=768(0x300), LATCH=1024(0x400), MOMENT=1280(0x500), OFF_TIMER=1537-1791(0x0601-0x06FF)1-255sec
8 Kanaals DC 12V RS485 Relais Module Modbus RTU 485 Afstandsbediening Schakelaar Voor PLC PTZ Camera Beveiligingsmonitoring
US$24.99 US$29.99
4
Reacties (2)
H_good 24/07/2018
This fan will "reboot" it self at approximate 1.7amps current draw when spinning up, which is about 5500rpm. Also the PWM input makes no sens. At max RPM (1.6amp) the PWM is at 35% so anything above will throttle the fan to "reboot", meaning the PWM input is 1-35%. This means without PWM (=100%) the fan will indefinitely "reboot". In other words this fan is useless.
DC 12V 36W 120 * 120 * 38mm 6000RPM 4Pin Luchtkoeling Fan voor Antminer Mining
US$15.58 US$23.37
0
aanbevelingen
Reacties (1)
H_good 29/04/2018
After receiving the module it seems your better of with a quad channel alternative for 3x cheaper price. Unless there is a fancy component on it I'm not aware of. @ Banggood, please argue the price. This is NOT worth it.
Optocoupler Isolatiemodule Niveau Conversie Anti-interferentie Signaal Spanning Conversie
US$7.99 US$12.31
1
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