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Questions tagged [adapter]

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0
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1answer
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HC-05 with ELM327 mini OBD2 Bluetooth adapter connection problem

I am using Arduino Uno and HC05 Zs-040 Bluetooth module to establish a connection with ELM327 mini OBDII Bluetooth adaptor. I have tried more than 15 different sequences of AT commands and most of ...
0
votes
2answers
397 views

Connecting an Arduino to a servo with an external power supply

I have purchased an MG995 servo (4.8-7.2V operating voltage, 170MA no load operating current draw) and will power this using a 5V, 2A mains plug pack. Do I need a breadboard to connect this with my ...
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3answers
5k views

ESP-01 adapter and logic level converter

I read that I'll need a logic level converter like this to run an ESP8266-01 from the Uno. But I saw this ESP adapter: http://www.ebay.com/itm/ESP-01-ESP8266-Serial-Wi-Fi-Wireless-Adapter-Module-3-...
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1answer
64 views

Powering leds from arduino with adapter

Sorry for having (again) a beginners question, but I was wondering something. If I would want to drive like 20-30 LEDs from an Arduino (Uno), and I want to use an external adapter (12V, 1A), going ...
0
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0answers
68 views

Voltage via 9V adapter and MIDI

I want (eventually) to power my Arduino using MIDI inputs/output with a 9V adapter like this: adapter MIDI also offer power but this seems quite unreliable (like 3V, 5V or uncertain, or none at all ...