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valdez Youneed at least 2A, and you provided just 0.2A (200mA is 0.2A) :-)

BG169332552 24/12/2021
Hello, Thank you for the delivery. It arrived on time. Unfortunately, it was dead on arrival. I followed the instructions, the SIM mounted was unlocked, the module was powered by a 9V~200mA converter, but I could not connect to it. The power led is ON and that is it. The sim does not respond to any commands not with 19200 Baud or anything else.
SIM900 Quad Band GSM GPRS Shield Placa de Desenvolvimento Geekcreit para Arduino - produtos que funcionam com placas oficiais Arduino
US$19.99 US$23.99
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valdez 29/10/2020
it worked out of the box! You can use it either via USB or UART interface, it's quite fast and easily configurable using the codes listed in the user manual linked in description above.
Leitor de códigos de barras GM73 USB UART 1D 2D QR Code Scanner Reader pequeno, redondo e de fácil instalação
US$27.99 US$33.99
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valdez 26/12/2020
the article arrived earlier than expected, but I was not able to make it work. I have wired it as described but it is not responding to any text command sent to it. It would be nice if you could provide at least a manual or instructions on how to drive it.
Módulo de voz YwRobot Controle de porta serial do módulo de voz VoiceBox Pro de blocos eletrônicos
US$13.99 US$16.99
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Módulo de voz YwRobot Controle de porta serial do módulo de voz VoiceBox Pro de blocos eletrônicos
US$13.99 US$16.99

Q: Is there a manual or instructions for this module?

perguntado por valdez sobre 2020-12-05 11:50:38

Snowleop check the wiring please

2020-12-24 09:49:42 Útil (0)
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valdez 10/01/2020
arrived earlier than expected, it's a decent antenna for ADS-B.
Antena ADS-B 1090MHZ Ganho 2,0dBi Faixa de frequência 1060-1120 MHz
US$6.99 US$9.65
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valdez 10/01/2020
arrived earlier than expected, it's a standard RTC module for Arduino and similar boards.
Módulo de memória do relógio RTC de precisão DS3231 AT24C32 IIC
US$5.99 US$9.99
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5ft Em TV Digital de Rádio Do Carro Antena DVB-T ISDB-T 433MHZ Sinal Antena
US$3.80 US$11.99

Q: Can I used that with ISDB-T signal? I see the specification and you only mention DVB-T

perguntado por chano1986 sobre 2018-01-20 08:12:18

valdez Idon't know, sorry

2020-01-10 12:21:26 Útil (0)
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