I have a project where I have a Leonardo with an ethernet shield and an RS485 shield stacked. The RS485 controls electro-mechanical digits for a scoreboard sending info it gets via the ethernet connection. If I power the Leonardo via the USB connector, either from the laptop or an Amazon charger, ev…

[image] mwtheplumber: However if I power it from the barrel connector it all stops working after a few seconds. I have tried a 9V and a 12V supply to the barrel and the results are the same. So don't power it from the barrel connector, but do it properly. Get a 5V power supply and power the A…

Power Problem with Leonardo

Other Hardware Motors, Mechanics, Power and CNC

mwtheplumber September 17, 2021, 3:32pm 7

Datasheet_RS485_shield_Rev_B_EN(1).pdf (677.3 KB)

arduino-Ethernet-Shield2-V2-sch(1).pdf (77.1 KB)

Any good?

Topic		Replies	Views
Arduino L298N connection problem explained withpic Interfacing	80	26090	May 6, 2021
RS485 - Beginners problems wiring up the shield General Guidance	28	7387	May 5, 2021
Info generali su Arduino Generale	32	8474	May 7, 2021
Arduino to Arduino RS485 communication connection and code issues? Networking, Protocols, and Devices	3	1405	May 6, 2021
IO expansion shield e collegamento RS485 Generale	19	7970	May 7, 2021

Power Problem with Leonardo

Related topics