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2pcs LILYGO® TTGO T-Call V1.3 ESP32 Módulo inalámbrico GPRS Antena Tarjeta SIM SIM800L Tablero
US$32.40 US$37.99

Q: Dear ALL, I want to use this board for an IoT Use Case. Do you have suggestion how to supply the Board best with power? I can operate the board over the USB Board to connect GPRS Network. The use case consider a GPS Sensor, OLED 0.96 Display and Temperature sensor. Each of them need 5 Volt Power. In manual is written that it's possible to use the battery plug on the Board to supply the board with power or to use the 5 Volt Pin, but I have my concerns that it would be enough to supply the sensor as well. I suppose that the board will consume like other GSM board some peak currents (1-2 A) to start up GSM and I suppose that LIPO which is direct connected to the Board will not supply the Sensor enough with power. Do you have any suggestion or circuit schema example how the power supply should be built up? Thanks your your advice in advance, Markus

Preguntado por markus.schmecke sobre 2020-01-05 04:34:14

BG423425537 Supongoque para resolver los picos de corriente demandados a la alimentación se puede emplear un condensador electrolítico de alto valor (por ejemplo 6800 uF) conectado en paralelo con los pines de alimentación. Pero aún no lo he probado aún.

2020-09-01 12:17:19 Servicial (0)
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LILYGO® TTGO T-Beam 433/470/868 / 915MHz ESP32 WiFi Módulo inalámbrico GPS NEO-M8N SMA LORA 32 Con 18650 Batería Soporte
US$33.99 US$47.99

Q: What kind of frequency fit for europe and germany best?

Preguntado por markus.schmecke sobre 2019-12-31 02:03:41

KatyKaty If I remember correctly, it is 868mhz in Europe

2020-01-06 02:03:01 Servicial (0)
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